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Geology of Jersey

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1085: 695:. Porphyritic andesite is dark grey with white crystals of plagioclase feldspar embedded. Outcrops occur on the coast at Giffards Bay on the north coast and Vicard Point on the east coast. The volcanoes were to the north east and south. Vicard Tuff contains bombs. The Long Echet Tuff contains large crystals of quartz and feldspar and strands of quartz. Les Rouaux Agglomerate and L' Homme Mort Agglomerate contain fragments of the surrounding rocks including shale and andesite embedded in a feldspar matrix. The Les Rouaux Agglomerate also contains 749:. In this orogeny the rocks were first crushed and folded with East West pressure, then later they were compressed in the north south direction. Gabbro is found at Sorel Point. This rock can be observed to transition into diorite by changes in the mineral content and texture. Layered gabbro has also been changed into diorite at Le Nez point, the southernmost point of the main island. The diorite is emplaced at and near Sorel point, and at several places along the south coast east of 3015: 869:
consist of andesite, rhyolite, granite and shale. The pebbles range from 1 cm to 60 cm, and are quite irregular. The conglomerate bed is above a bed of red sandstone and mudstone which has pits, probably being rain drop marks, and also has polygonal shaped cracks. Apart from the main outcrop, the conglomerate is also found in smaller areas at Les Hurets Valley, west of the Bouley Bay and at La Pierre de FĂ©telle. The conglomerate is estimated to be Ordovician in age.
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lakes and streams. The Les Platons Rhyolite contains spherulites. Spherulites are also found at Les Hurets on Bouley Bay. At Bouley Bay there are three units of ignimbrite: the Lower Bouley Ignimbrite, Middle Bouley Ignimbrite and Upper Bouley Ignimbrite. These contain flow banding and spherulites up to 10 cm and eutaxitic and
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which have themselves been eroded to form cliffs from 3 to 12 metres high. At Belcroute there is a more complex deposit of loess head on a raised beach deposit elevated at 8 metres, that sits on another loess deposit. Head occurs at the foot of cliffs along the north, north east and south west sides,
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The high surface has been eaten into by cliffs dropping down to 8 metres. These have been formed during the Quaternary when the sea level was around 8 metres above the current sea level. There are also raised beaches at 18 and 30 metres above current sea level. During the glacial periods valleys were
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Le Havre de Fer Beach has an outcrop of columnar rhyolite that has been separated by faulting from the rest of the units. North of Archirondel Round Tower there are three more flows stacked on top of each other called Archirondel Ignimbrite, Dolmen Ignimbrite and St. Catherine's Ignimbrite. These are
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in the east coast, and La Belle Hougue Point, and Le Mont Mado granite has an occurrence. The shale is more easily eroded, and this has affected the shape of the island by the concave St Ouens's Bay and St Aubin's Bay. The deepest valleys (Valley of St. Peter and St. Lawrence) are cut into this soft
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The land here was uplifted and eroded in the Cambrian. A coarse conglomerate known as Rozel Conglomerate was washed in by a flash flood flowing from somewhere to the north of the island during the Cambrian to Ordovician time period. This conglomerate is on the north east cape at Rozel. The pebbles
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Ground water is found in rock fractures and to a limited extend in porous rocks, in the upper 40 meters. Ground water is irregular, with some perched aquifers and vertical screens preventing underground flow. The water underground is young (as determined by isotope analysis), replenished from the
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Fine grained rhyolite of Bouley Rhyolite Formation occurs even further to the north east. This is 430 metres thick. At Giffard Bay are Gifford Rhyolite, Gifford Andesite, Gifford Ignimbrite and Gifford Tuffs. Les Platons Rhyolite top this off. These rocks contain xenoliths and tuff deposits from
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of St. John's Rhyolite Formation is found to the north east of the centre. It contains banded flows and ignimbrite. Totally it is 950 meters thick. It contains shards of glass and pumice. Different flows exits with sections called Bonne Nuit Ignimbrite followed by Frémont Ignimbrite on the north
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There is a known acid dyke of rhyolitic composition on the east side of Noirmont headland. This is 1 metre wide and coloured light grey to pink. It has an east–west strike. Porhyritic microgranite dykes occur below Le Saut Jeffroi, and south of Le Mont Orgueil. These have a NNE strike.
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Granite quarrying still occurs in three quarries in the north west at Ronez, Gigoulande (by Granite Products company) and La Saline. The La Saline company produces decorative stone for building. The other two quarries produce aggregate for roads and concrete and a product called
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zone, where the Celtic oceanic plate was converging and descending in the trench. The sediments were carried by rivers from the Le Vast Arc, a strip of land oriented east north east, that lay to the south of Jersey. The sea at this time was termed l' Océan de la Manche.
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with four intrusions. The magma came from a volcanic arc. One of these intrusions contained the gabbro and diorite. The granites are coloured grey-pink and orange, with the gabbro a dark grey, and the diorite speckled grey. The main intrusion is the St. Mary's Granite
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The tidal range is high at 13 meters, exposing a wide rock platform around Jersey. Western Jersey sedimentary rocks are underlain by shallow granite, and in eastern Jersey there is a high in the gravity field near Grande Charriere, which could be due to gabbro.
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primigenius bones have been found at La Cotte de St. Brelade along with deer bones. Mollusk shells are found in the Loess and beach deposits. A submerged forest in St. Ouën's Bay between L'Ouzière slipway and Le Port Slipway has stumps of Birch and Alder
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The Jersey Main Dyke Swarm consists of dolerite dykes intruded into the South East Igneous complex. Some dolerite dykes have a porphyry centre. The strike is north-west, and the direction is vertical. Augite and labradorite are found in these dolerites.
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The south west granites are 550 – 480 mya, and has three intrusions. The intrusions are called Corbière Granite, La Moye Granite, and Beau Port Granite. They are coloured pale to deep red. The north west area was intruded
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The Brioverian rocks were formed between 900 and 700 mya. They were named after Briovère, the native name for St. Lô, in Normandy, which is the first area these rocks were described from. They start with
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There are several sea caves. A notable cave is the Le Creux du Vis. This cave has a tunnel going in from the beach at the base of the cliff, and a crater shaped opening with steep rocky sides above.
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coast. They contain xenoliths of the andesite and shale found in Jersey. Also there are local mudstone and conglomerate deposited on the flows. The conglomerate is called L'Homme Mort Conglomerate.
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and can also be found beneath wind blown sand at the bays of St. Ouen, St. Aubin, St. Clement and the Royal Bay of Grouville. The thickest parts of loess are five metres deep at St Clements and at
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At Le Pulec there is a small deposit of lead and zinc that was mined in the late 19th century, but the venture was unsuccessful. There are also some other small unmined mineral veins, such as
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periods. The kind of rocks go from conglomerate to shale, volcanic, intrusive and plutonic igneous rocks of many compositions, and metamorphic rocks as well, thus including most major types.
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with four intrusions. One of these intrusions contained the gabbro and diorite. These granites are coloured grey-pink and orange, with the gabbro a dark grey, and the diorite speckled grey.
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These sediments were uplifted and are overlaid by volcanic rocks of the Jersey Volcanic Group around 530 Mya. The magma came from the subduction zones below and to the north of the island.
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Earth tremors occur more commonly near Jersey that other areas in the Channel Islands, with magnitudes up to 3. The epicentres are mostly on the sea floor to the west, south and east.
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The Jeffrey's Leap Ignimbrite is overlaid by the Anne Port Ignimbrite named after locations on the east coast. The Trinity Ignimbrite is a purple tuff near Les Grands Vaux, inland.
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left a smaller print on the island, with the intrusion of some dykes, and some folding and jointing that affected the island's rocks including the Rozel Conglomerate. During the
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veins in the igneous complexes up to 5 cm wide. The aplite is the lowest melting remanent of the granite magma, that is poor in volatiles. The aplite minerals include
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lamprophyre (spessarites) contain plagioclase, coloured light brown and are oriented north–south. A hornblende lamprophyre dyke in the Rozel Conglomerate is dated at
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from St. Saviour's Andesite Formation is in the centre and in the north at Les Rouaux. It is coloured grey and includes some basalt and pyroclastic fallout such as
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is termed Association IV along with the shale. It is found in the same areas as the shale. In an analysis of the greywacke it has fragments with 70%
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lamprophyres (minettes) are oriented in the north west direction. They are coloured brown, and are up to 1 metre wide. They contain orthoclase.
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Granite intrudes into the north west, south west and south east. The south west granite also includes porphyries and some fine grained sections.
580: 718:. The Anne Port Rhyolite is the bottom unit on the east coast. This is massive but columnar jointed. It shows flow banding. It resembles the 593: 1097:. There are many other disused or abandoned quarries that have been used for stone to make the buildings, castles, and piers on the island. 2656: 2568: 651:. At St. Ouën's Bay the metamorphosis of greywacke has made hornblende-hornfels. Regional metamorphism has converted the shale to a low 1794: 1066:. These are found at La Hougue Bie in St. Saviour and Le Mont Ubé dolmen, St. Clément and La Pouquelaye de Faldouet and Le Couperon. 839:. This is mostly made from fine grained quartz and Perthite, but is coloured red yellow and brown. A third porphyritic granite is 3509: 1299: 1376: 1261: 99: 1742: 2185: 71: 1732: 1234: 2180: 993:
was deposited, blown in by wind from the west. The loess has formed thick deposits on the island interior and combined with
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The island was only separated from the continent of Europe by rising sea levels about 5000 BC during the new Stone Age.
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eroded deeply below the sea level These raised beaches are found at Portelet Bay, Giffard Bay, and Belcroute Bay.
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La Société Jersiaise has a geology section that studies, presents talks, and tours of the Geology of the island.
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quarries used to be in what is now Handois reservoirs. Bricks have also been made from clay from St. Saviour. La
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The plutonic rocks are not foliated, showing that the orogeny was near completion at the time they formed.
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During the Eocene limestone was deposited in the sea around Jersey, but none is actually on the island.
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The south east granites moved into the south east about the same time. The components here are called
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Sand mining takes place at St. Ouen's Bay in the west by Simon's Sand and Gravel, and formerly at
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sp) from 1980 BC. Legends record that the sea encroached on the forest in the fifteenth century.
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in St. Peter's Valley there is peat dated to 7600 BC which contains pollen from boreal forest.
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During the Tertiary the surface of the island was a plain at 60 to 130 metres above sea level.
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The only fossils date from the Quaternary, and are found in raised beaches, peat and clay.
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by Eldridge M. Moores, Rhodes Whitmore Fairbridge, Published 1997 by Springer pp 276–277.
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is found amongst the pebbles on these beaches, and this is derived from
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separated from each other by layers of tuff, and are coloured maroon by
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surface from local rain, and not by underground streams from Normandy.
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The interpretation of this area is that is a part of the north facing
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Granophyre, Dicq Granite, Longueville Granite, and La Roque Granite.
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is characterised by the Late Proterozoic Brioverian volcanics, the
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Geological excursion guide 1: Jersey and Guernsey, Channel Islands
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Geological Magazine; March 1959; volume 96; number 2; page 89-98
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rock shelter which was inhabited 200000 years ago by hunters of
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frost shattered rock fragments sliding down the cliffs to form
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In the L'ĂŠtacq area, the metamorphism has produced spotted
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The sandstone is Association III of the submarine fan.
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Evolution of the Island Character – Geological History
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in the west, centre and south of Jersey, including at
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with a grey colour. The spots are darker, containing
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rock. Other sediments associated with the shale are
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Encyclopedia of European and Asian Regional Geology
575:. This constitutes the Jersey Shale Formation. The 165: 59:. Unsourced material may be challenged and removed. 150:, and only small signs of later deposits from the 802:. Other parts more rich in volatiles have formed 3662: 940:In the north-west there are sills of dolerite. 877:Sinistral tear faults have affected the rock. 2650: 1255: 911:The aplite dykes are one to two metres wide. 2657: 2643: 1262: 1248: 1355:Channel Islands Occupation Society (CIOS) 892:, Jersey was part the north-west edge of 592:. Various sedimentary structures include 119:Learn how and when to remove this message 2149: 1178:Gravity anomalies in the Channel Islands 1083: 130: 678: 551:Axis scale is in millions of years ago. 161: 14: 3663: 1743:List of members of the States Assembly 1481: 979:and rhinoceros amongst other animals. 596:and bounce castes, ripple lamination, 541: 2664: 2638: 2148: 1300:German occupation during World War II 1243: 863: 1852:Jersey Financial Services Commission 522: 506: 490: 474: 458: 440: 424: 408: 168: 57:adding citations to reliable sources 28: 1269: 1038: 872: 733: 543:An approximate time-scale of events 24: 738:Intrusions were formed during the 25: 3682: 1228: 817:The north west area was intruded 3013: 968:deposits only found underwater. 33: 1686:Customs and Immigration Service 1009:Peat occurs in the valleys. At 44:needs additional citations for 1193:Great Britain: Channel Islands 1170: 1152: 1121: 545:in the Geological history of 407: 13: 1: 3307:European Cenozoic Rift System 1146: 1137: 971:La Cotte de St Brelade has a 954: 655:, where clay is converted to 1235:Jersey geology photo gallery 1079: 770:There are also pink and red 7: 3497:UNESCO World Heritage Sites 1076:is making a brick archive. 943: 542: 282: 10: 3687: 1847:Jersey Electricity Company 1186: 170:Jersey Geological Timeline 3495: 3438: 3375: 3265: 3222: 3149: 3031: 3022: 3011: 2672: 2601: 2559: 2516: 2478: 2435: 2412: 2369: 2331: 2303: 2275: 2242: 2204: 2186:de Haut du Mont au PrĂŞtre 2161: 2144: 2102: 2063: 1968: 1964: 1955: 1837: 1828: 1758: 1649: 1645: 1636: 1584: 1575: 1541: 1533:Highlands College, Jersey 1490: 1472: 1390: 1287: 1278: 1164:www.societe-jersiaise.org 468:Granite in the south west 450:Granite in the north west 3415:Jan Mayen Microcontinent 2546:de la Petite Longueville 2541:de la Grande Longueville 2181:de 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1988:Durrell Wildlife Park 1087: 904:porphyry and aplite. 418:Jersey Volcanic group 134: 3473:Fennoscandian Craton 3468:East European Craton 2356:du Coin Tourgis Nord 1681:Council of Ministers 1671:Government of Jersey 1215:Jersey Geology Trail 820:465 to 426 763:465 to 426 745:700 to 500 679:Brioverian volcanics 162:Brioverian sediments 53:improve this article 18:Brioverian volcanics 3362:Timan-Pechora Basin 3297:Dnieper–Donets Rift 3214:Western Carpathians 2399:du Fief de la Reine 2361:du Coin Tourgis Sud 2089:Jersey Evening Post 2023:Jersey Royal potato 2008:Jèrriais literature 1892:Visite du Branchage 1790:Jersey Legal French 1708:Lieutenant Governor 1554:De La Salle College 722:at La CrĂŞte Point. 588:, and fine grained 532:Sturtian glaciation 68:"Geology of Jersey" 3515:Calanques de Piana 3269:basins and grabens 1904:Telecommunications 1842:Financial services 1703:External relations 1345:Battery Lothringen 1340:War Tunnels Museum 1330:SechsschartentĂĽrme 1219:States of Jersey 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3267:Intracontinental 3029: 3028: 3024:Geologic regions 3017: 2968:Northern Ireland 2659: 2652: 2645: 2636: 2635: 2617: 2610: 2551:de Sous l'Église 2285:Grande Vingtaine 2191:du Mont Ă  l'AbbĂ© 2146: 2145: 2116:Beautiful Jersey 2073:BBC Radio Jersey 1966: 1965: 1962: 1961: 1914:Newtel Solutions 1909:JT Group Limited 1877: 1835: 1834: 1693:Duke of Normandy 1647: 1646: 1643: 1642: 1582: 1581: 1528:Victoria College 1488: 1487: 1479: 1478: 1435:Battle of Jersey 1425:Elizabeth Castle 1285: 1284: 1264: 1257: 1250: 1241: 1240: 1181: 1174: 1168: 1167: 1156: 1039:Economic geology 932: 882:Variscan Orogeny 873:Variscan Orogeny 855:Elizabeth Castle 845: 838: 831: 823: 766: 748: 740:Cadomian Orogeny 734:Cadomian Orogeny 528: 523: 512: 507: 500:Cadomian Orogeny 496: 491: 484:Variscan Orogeny 480: 475: 464: 459: 446: 441: 430: 425: 414: 409: 279: 274: 269: 264: 259: 254: 249: 244: 239: 234: 229: 224: 219: 214: 209: 204: 199: 194: 189: 184: 179: 166: 148:Cadomian Orogeny 124: 117: 113: 110: 104: 102: 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451: 444: 435: 428: 419: 412: 405: 404: 400: 399: 395: 394: 390: 389: 385: 384: 380: 379: 373: 372: 366: 365: 359: 358: 352: 351: 345: 344: 338: 337: 331: 330: 324: 323: 317: 316: 310: 309: 303: 302: 296: 295: 289: 288: 280: 277: 275: 272: 270: 267: 265: 262: 260: 257: 255: 252: 250: 247: 245: 242: 240: 237: 235: 232: 230: 227: 225: 222: 220: 217: 215: 212: 210: 207: 205: 202: 200: 197: 195: 192: 190: 187: 185: 182: 180: 177: 171: 164: 125: 114: 108: 105: 62: 60: 50: 38: 23: 22: 15: 12: 11: 5: 3684: 3674: 3673: 3656: 3655: 3653: 3652: 3647: 3642: 3637: 3632: 3627: 3622: 3617: 3612: 3607: 3602: 3597: 3592: 3587: 3582: 3577: 3572: 3567: 3562: 3560:Jurassic Coast 3557: 3552: 3547: 3542: 3537: 3535:Geirangerfjord 3532: 3527: 3522: 3517: 3512: 3507: 3501: 3499: 3493: 3492: 3489: 3488: 3486: 3485: 3480: 3475: 3470: 3465: 3460: 3455: 3450: 3444: 3442: 3436: 3435: 3433: 3432: 3427: 3422: 3417: 3412: 3407: 3405:Eurasian Plate 3402: 3397: 3392: 3390:Adriatic Plate 3386: 3384: 3373: 3372: 3370: 3369: 3364: 3359: 3354: 3349: 3344: 3339: 3334: 3329: 3324: 3319: 3317:Limagne Graben 3314: 3309: 3304: 3299: 3294: 3289: 3284: 3279: 3273: 3271: 3263: 3262: 3260: 3259: 3254: 3249: 3244: 3239: 3234: 3232:Atlantic Ocean 3228: 3226: 3224:Oceanic basins 3220: 3219: 3217: 3216: 3211: 3206: 3201: 3196: 3191: 3186: 3184:Massif Central 3181: 3176: 3171: 3166: 3161: 3155: 3153: 3147: 3146: 3144: 3143: 3138: 3133: 3131:Sveconorwegian 3128: 3123: 3118: 3113: 3108: 3103: 3098: 3093: 3088: 3083: 3078: 3073: 3068: 3063: 3058: 3053: 3048: 3043: 3037: 3035: 3026: 3020: 3019: 3012: 3010: 3008: 3007: 3006: 3005: 3000: 2995: 2990: 2985: 2980: 2975: 2970: 2965: 2958:United Kingdom 2955: 2950: 2945: 2940: 2935: 2930: 2925: 2920: 2915: 2910: 2905: 2900: 2895: 2890: 2889: 2888: 2883: 2873: 2868: 2863: 2858: 2853: 2848: 2843: 2838: 2833: 2828: 2823: 2818: 2813: 2803: 2798: 2793: 2788: 2783: 2778: 2773: 2768: 2767: 2766: 2756: 2751: 2750: 2749: 2739: 2737:Czech Republic 2734: 2729: 2724: 2719: 2714: 2709: 2704: 2699: 2694: 2689: 2684: 2678: 2676: 2670: 2669: 2662: 2661: 2654: 2647: 2639: 2630: 2629: 2627: 2626: 2619: 2618: 2611: 2603: 2602: 2599: 2598: 2595: 2594: 2592: 2591: 2586: 2581: 2576: 2571: 2565: 2563: 2557: 2556: 2554: 2553: 2548: 2543: 2538: 2533: 2528: 2522: 2520: 2514: 2513: 2511: 2510: 2505: 2500: 2495: 2493:de St. Nicolas 2490: 2484: 2482: 2476: 2475: 2473: 2472: 2467: 2462: 2457: 2452: 2447: 2441: 2439: 2433: 2432: 2430: 2429: 2424: 2418: 2416: 2410: 2409: 2407: 2406: 2401: 2396: 2391: 2386: 2381: 2375: 2373: 2367: 2366: 2364: 2363: 2358: 2353: 2351:du Coin Motier 2348: 2346:du Coin Hâtain 2343: 2337: 2335: 2333:Saint Lawrence 2329: 2328: 2326: 2325: 2320: 2315: 2309: 2307: 2301: 2300: 2298: 2297: 2292: 2287: 2281: 2279: 2273: 2272: 2270: 2269: 2264: 2262:des Quennevais 2259: 2254: 2248: 2246: 2240: 2239: 2237: 2236: 2231: 2226: 2224:de Longueville 2221: 2216: 2210: 2208: 2202: 2201: 2199: 2198: 2196:du Mont Cochon 2193: 2188: 2183: 2178: 2173: 2167: 2165: 2159: 2158: 2142: 2141: 2138: 2137: 2135: 2134: 2132:Liberation Day 2129: 2124: 2119: 2108: 2106: 2100: 2099: 2096: 2095: 2093: 2092: 2085: 2080: 2075: 2069: 2067: 2061: 2060: 2058: 2057: 2052: 2047: 2042: 2041: 2040: 2035: 2025: 2020: 2015: 2010: 2005: 2000: 1995: 1990: 1985: 1980: 1975: 1969: 1959: 1953: 1952: 1949: 1948: 1946: 1945: 1944: 1943: 1933: 1928: 1927: 1926: 1921: 1916: 1911: 1901: 1896: 1895: 1894: 1889: 1879: 1871: 1870: 1869: 1859: 1854: 1849: 1844: 1838: 1832: 1826: 1825: 1822: 1821: 1818: 1817: 1815: 1814: 1813: 1812: 1802: 1797: 1792: 1787: 1782: 1775: 1764: 1762: 1756: 1755: 1753: 1752: 1747: 1746: 1745: 1735: 1730: 1725: 1720: 1715: 1710: 1705: 1700: 1695: 1690: 1689: 1688: 1683: 1678: 1676:Chief Minister 1668: 1663: 1662: 1661: 1650: 1640: 1634: 1633: 1630: 1629: 1627: 1626: 1625: 1624: 1619: 1614: 1606: 1601: 1596: 1591: 1585: 1579: 1573: 1572: 1569: 1568: 1565: 1564: 1562: 1561: 1556: 1551: 1545: 1543: 1539: 1538: 1536: 1535: 1530: 1525: 1523:Les Quennevais 1520: 1515: 1510: 1505: 1500: 1494: 1492: 1485: 1476: 1470: 1469: 1466: 1465: 1463: 1462: 1460:National Trust 1457: 1452: 1447: 1445:Jersey Railway 1442: 1437: 1432: 1427: 1422: 1420:Grosnez Castle 1417: 1412: 1411: 1410: 1400: 1394: 1392: 1388: 1387: 1385: 1384: 1379: 1374: 1369: 1364: 1359: 1358: 1357: 1352: 1350:Battery Moltke 1347: 1342: 1337: 1335:German tunnels 1332: 1327: 1322: 1317: 1312: 1307: 1297: 1291: 1289: 1282: 1276: 1275: 1273: articles 1267: 1266: 1259: 1252: 1244: 1238: 1237: 1230: 1229:External links 1227: 1226: 1225: 1217: 1211: 1200: 1188: 1185: 1183: 1182: 1169: 1150: 1148: 1145: 1139: 1136: 1131: 1128: 1123: 1120: 1114: 1111: 1102: 1099: 1081: 1078: 1040: 1037: 977:woolly mammoth 956: 953: 945: 942: 874: 871: 865: 862: 798:, coloured by 735: 732: 680: 677: 598:graded bedding 569:St Aubin's Bay 554: 553: 539: 538: 535: 534: 531: 529: 519: 518: 515: 513: 503: 502: 499: 497: 487: 486: 483: 481: 471: 470: 467: 465: 455: 454: 452:and north west 449: 447: 437: 436: 434:end of ice age 433: 431: 421: 420: 417: 415: 406: 402: 401: 397: 396: 392: 391: 387: 386: 382: 381: 375: 374: 368: 367: 361: 360: 354: 353: 347: 346: 340: 339: 333: 332: 326: 325: 319: 318: 312: 311: 305: 304: 298: 297: 291: 290: 284: 283: 281: 278:0 — 276: 271: 266: 261: 256: 251: 246: 241: 236: 231: 226: 221: 216: 211: 206: 201: 196: 191: 186: 181: 176: 173: 172: 169: 163: 160: 127: 126: 41: 39: 32: 9: 6: 4: 3: 2: 3683: 3672: 3669: 3668: 3666: 3651: 3648: 3646: 3643: 3641: 3638: 3636: 3633: 3631: 3628: 3626: 3623: 3621: 3618: 3616: 3613: 3611: 3608: 3606: 3603: 3601: 3598: 3596: 3593: 3591: 3590:Monte Perdido 3588: 3586: 3583: 3581: 3578: 3576: 3573: 3571: 3568: 3566: 3563: 3561: 3558: 3556: 3553: 3551: 3548: 3546: 3543: 3541: 3538: 3536: 3533: 3531: 3528: 3526: 3523: 3521: 3520:Curonian Spit 3518: 3516: 3513: 3511: 3508: 3506: 3503: 3502: 3500: 3498: 3494: 3484: 3481: 3479: 3476: 3474: 3471: 3469: 3466: 3464: 3461: 3459: 3456: 3454: 3451: 3449: 3446: 3445: 3443: 3441: 3437: 3431: 3428: 3426: 3423: 3421: 3420:Moesian Plate 3418: 3416: 3413: 3411: 3410:Iberian Plate 3408: 3406: 3403: 3401: 3398: 3396: 3393: 3391: 3388: 3387: 3385: 3383: 3378: 3374: 3368: 3365: 3363: 3360: 3358: 3355: 3353: 3350: 3348: 3345: 3343: 3340: 3338: 3335: 3333: 3330: 3328: 3327:Molasse Basin 3325: 3323: 3320: 3318: 3315: 3313: 3310: 3308: 3305: 3303: 3300: 3298: 3295: 3293: 3290: 3288: 3285: 3283: 3282:Barents Basin 3280: 3278: 3275: 3274: 3272: 3270: 3264: 3258: 3257:Norwegian Sea 3255: 3253: 3250: 3248: 3245: 3243: 3242:Bay of Biscay 3240: 3238: 3235: 3233: 3230: 3229: 3227: 3225: 3221: 3215: 3212: 3210: 3207: 3205: 3202: 3200: 3197: 3195: 3192: 3190: 3189:Ore Mountains 3187: 3185: 3182: 3180: 3177: 3175: 3172: 3170: 3167: 3165: 3162: 3160: 3157: 3156: 3154: 3152: 3148: 3142: 3139: 3137: 3134: 3132: 3129: 3127: 3124: 3122: 3119: 3117: 3114: 3112: 3109: 3107: 3104: 3102: 3099: 3097: 3094: 3092: 3089: 3087: 3084: 3082: 3079: 3077: 3074: 3072: 3069: 3067: 3064: 3062: 3059: 3057: 3054: 3052: 3049: 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2622: 2621: 2616: 2612: 2609: 2605: 2604: 2600: 2590: 2587: 2585: 2582: 2580: 2577: 2575: 2572: 2570: 2567: 2566: 2564: 2562: 2558: 2552: 2549: 2547: 2544: 2542: 2539: 2537: 2534: 2532: 2529: 2527: 2524: 2523: 2521: 2519: 2518:Saint Saviour 2515: 2509: 2508:du Coin Varin 2506: 2504: 2501: 2499: 2496: 2494: 2491: 2489: 2486: 2485: 2483: 2481: 2477: 2471: 2468: 2466: 2463: 2461: 2458: 2456: 2453: 2451: 2448: 2446: 2443: 2442: 2440: 2438: 2434: 2428: 2425: 2423: 2420: 2419: 2417: 2415: 2411: 2405: 2402: 2400: 2397: 2395: 2392: 2390: 2389:de la QuĂ©ruĂ©e 2387: 2385: 2382: 2380: 2377: 2376: 2374: 2372: 2368: 2362: 2359: 2357: 2354: 2352: 2349: 2347: 2344: 2342: 2339: 2338: 2336: 2334: 2330: 2324: 2321: 2319: 2316: 2314: 2311: 2310: 2308: 2306: 2302: 2296: 2293: 2291: 2288: 2286: 2283: 2282: 2280: 2278: 2277:Saint Clement 2274: 2268: 2265: 2263: 2260: 2258: 2255: 2253: 2250: 2249: 2247: 2245: 2241: 2235: 2234:Les Minquiers 2232: 2230: 2227: 2225: 2222: 2220: 2217: 2215: 2212: 2211: 2209: 2207: 2203: 2197: 2194: 2192: 2189: 2187: 2184: 2182: 2179: 2177: 2174: 2172: 2169: 2168: 2166: 2164: 2160: 2156: 2152: 2147: 2143: 2133: 2130: 2128: 2125: 2123: 2120: 2117: 2113: 2110: 2109: 2107: 2105: 2101: 2091: 2090: 2086: 2084: 2081: 2079: 2076: 2074: 2071: 2070: 2068: 2066: 2062: 2056: 2053: 2051: 2048: 2046: 2043: 2039: 2036: 2034: 2031: 2030: 2029: 2026: 2024: 2021: 2019: 2018:Jersey people 2016: 2014: 2011: 2009: 2006: 2004: 2001: 1999: 1996: 1994: 1991: 1989: 1986: 1984: 1981: 1979: 1976: 1974: 1971: 1970: 1967: 1963: 1960: 1958: 1954: 1942: 1939: 1938: 1937: 1934: 1932: 1929: 1925: 1922: 1920: 1917: 1915: 1912: 1910: 1907: 1906: 1905: 1902: 1900: 1897: 1893: 1890: 1888: 1885: 1884: 1883: 1880: 1878: 1872: 1868: 1865: 1864: 1863: 1860: 1858: 1855: 1853: 1850: 1848: 1845: 1843: 1840: 1839: 1836: 1833: 1831: 1827: 1811: 1808: 1807: 1806: 1803: 1801: 1798: 1796: 1793: 1791: 1788: 1786: 1783: 1781: 1780: 1776: 1773: 1769: 1766: 1765: 1763: 1761: 1757: 1751: 1748: 1744: 1741: 1740: 1739: 1736: 1734: 1733:Royal Militia 1731: 1729: 1726: 1724: 1721: 1719: 1716: 1714: 1711: 1709: 1706: 1704: 1701: 1699: 1696: 1694: 1691: 1687: 1684: 1682: 1679: 1677: 1674: 1673: 1672: 1669: 1667: 1664: 1660: 1657: 1656: 1655: 1652: 1651: 1648: 1644: 1641: 1639: 1635: 1623: 1620: 1618: 1615: 1613: 1610: 1609: 1607: 1605: 1602: 1600: 1597: 1595: 1592: 1590: 1587: 1586: 1583: 1580: 1578: 1574: 1560: 1557: 1555: 1552: 1550: 1547: 1546: 1544: 1540: 1534: 1531: 1529: 1526: 1524: 1521: 1519: 1516: 1514: 1511: 1509: 1506: 1504: 1501: 1499: 1496: 1495: 1493: 1489: 1486: 1484: 1480: 1477: 1475: 1471: 1461: 1458: 1456: 1453: 1451: 1448: 1446: 1443: 1441: 1438: 1436: 1433: 1431: 1428: 1426: 1423: 1421: 1418: 1416: 1413: 1409: 1408:La Hougue Bie 1406: 1405: 1404: 1401: 1399: 1396: 1395: 1393: 1389: 1383: 1380: 1378: 1375: 1373: 1370: 1368: 1365: 1363: 1360: 1356: 1353: 1351: 1348: 1346: 1343: 1341: 1338: 1336: 1333: 1331: 1328: 1326: 1323: 1321: 1320:Civilian life 1318: 1316: 1315:Collaboration 1313: 1311: 1308: 1306: 1303: 1302: 1301: 1298: 1296: 1293: 1292: 1290: 1286: 1283: 1281: 1277: 1272: 1265: 1260: 1258: 1253: 1251: 1246: 1245: 1242: 1236: 1233: 1232: 1224: 1223: 1218: 1216: 1212: 1209: 1208:Geology Today 1205: 1202:John Renouf: 1201: 1198: 1194: 1191: 1190: 1179: 1173: 1165: 1161: 1155: 1151: 1144: 1135: 1127: 1119: 1110: 1109:in the east. 1108: 1098: 1096: 1086: 1077: 1075: 1071: 1067: 1065: 1061: 1056: 1054: 1050: 1046: 1036: 1034: 1030: 1025: 1020: 1017: 1014: 1012: 1011:Quetivel Mill 1007: 1005: 1004:La Hougue Bie 1000: 996: 992: 988: 985: 980: 978: 974: 969: 967: 963: 952: 949: 941: 938: 934: 930: 925: 921: 917: 912: 909: 905: 903: 899: 895: 891: 887: 883: 878: 870: 861: 858: 856: 852: 847: 843: 836: 829: 821: 815: 813: 809: 805: 801: 797: 793: 789: 785: 781: 777: 773: 768: 764: 757: 754: 752: 746: 741: 731: 729: 723: 721: 717: 711: 708: 705: 700: 698: 694: 690: 686: 676: 673: 669: 665: 660: 658: 654: 650: 646: 642: 637: 635: 631: 629: 626: 622: 619:, 10% to 15% 618: 614: 609: 607: 603: 602:cross bedding 599: 595: 591: 587: 582: 581:Gorey Harbour 578: 574: 573:submarine fan 570: 566: 562: 548: 540: 530: 525: 524: 514: 509: 508: 498: 493: 492: 482: 477: 476: 466: 461: 460: 448: 443: 442: 432: 427: 426: 416: 411: 410: 378: 371: 364: 357: 350: 343: 336: 335:Carboniferous 329: 322: 315: 308: 301: 294: 287: 174: 167: 159: 157: 153: 149: 145: 144: 133: 123: 120: 112: 101: 98: 94: 91: 87: 84: 80: 77: 73: 70: â€“  69: 65: 64:Find sources: 58: 54: 48: 47: 42:This article 40: 36: 31: 30: 27: 19: 3640:Stevns Klint 3483:Volgo–Uralia 3332:Moscow Basin 3237:Arctic Ocean 3174:Dinaric Alps 3126:Svecofennian 2997: 2615:Bibliography 2536:des Pigneaux 2404:Les ÉcrĂ©hous 2371:Saint Martin 2341:de la VallĂ©e 2229:de la Rocque 2122:Coat of arms 2087: 1862:Jersey pound 1777: 1666:Constitution 1593: 1503:Haute ValleĂ© 1415:Mont Orgueil 1325:Deportations 1221: 1207: 1203: 1196: 1192: 1177: 1172: 1163: 1154: 1141: 1133: 1125: 1116: 1104: 1091: 1068: 1057: 1042: 1021: 1018: 1015: 1008: 998: 989:glaciation, 981: 970: 958: 950: 947: 939: 935: 913: 910: 906: 879: 876: 867: 859: 848: 816: 808:milky quartz 769: 758: 755: 751:Saint Helier 737: 724: 712: 709: 702:Porphoritic 701: 682: 661: 638: 634:Conglomerate 632: 610: 579:is found at 565:St Ouens Bay 557: 140: 138: 115: 106: 96: 89: 82: 75: 63: 51:Please help 46:verification 43: 26: 3650:Thingvellir 3620:Rhine Gorge 3430:Tisza Plate 3425:Pelso Plate 3352:Paris Basin 3322:Mezen Basin 3071:Dalslandian 3003:Isle of Man 2943:Switzerland 2866:Netherlands 2503:des Augerez 2480:Saint Peter 2394:de l'Église 2384:de Faldouet 2290:du Rocquier 2252:de Noirmont 2171:de la Ville 2078:Channel 103 2038:Opera House 2033:Jersey Live 1857:Jersey Post 1617:Saint Aubin 1542:Independent 1518:Le Rocquier 1295:Archaeology 1122:Earthquakes 1049:molybdenite 995:periglacial 982:During the 973:Neanderthal 916:lamprophyre 898:lamprophyre 851:Fort Regent 693:agglomerate 621:plagioclase 141:geology of 3605:Nærøyfjord 3600:Mount Etna 3580:Messel Pit 3550:High Coast 3302:Ebro Basin 3096:Laxfordian 3066:Carpathian 3061:Caledonian 3051:Belomorian 2913:San Marino 2861:Montenegro 2841:Luxembourg 2816:Kazakhstan 2702:Azerbaijan 2584:des Augrès 2526:de Maufant 2437:Saint Ouen 2414:Saint Mary 2305:Saint John 2295:de Samarès 2267:de la Moye 2244:St Brelade 2214:des Marais 2151:Vingtaines 2013:Jersey cow 1998:Eisteddfod 1983:Demography 1723:ConnĂ©table 1604:Reservoirs 1498:Grainville 1491:Government 1430:Corn Riots 1310:Resistance 1305:Evacuation 1147:References 1138:Geophysics 1070:China clay 984:Quaternary 955:Quaternary 924:Hornblende 812:orthoclase 806:featuring 804:pegmatites 792:oligoclase 776:tourmaline 672:subduction 645:cordierite 625:microcline 561:turbidites 377:Quaternary 363:Cretaceous 314:Ordovician 293:Cryogenian 156:Quaternary 79:newspapers 3525:Dolomites 3342:Oslo Rift 3247:Black Sea 3164:Apennines 2983:Gibraltar 2881:Jan Mayen 2836:Lithuania 2674:Countries 2579:du Rondin 2318:de HĂ©rupe 2219:de la Rue 2206:Grouville 2163:St Helier 1993:Education 1936:Transport 1887:Committee 1795:Judiciary 1750:Viscounts 1698:Elections 1612:St Helier 1589:Geography 1577:Geography 1474:Education 1391:Specifics 1382:Perquages 1367:Windmills 1288:Overviews 1107:Grouville 1080:Quarrying 1060:Neolithic 1053:haematite 1024:Mammuthus 987:Devensian 810:and pink 670:facing a 613:Greywacke 606:boudinage 590:sandstone 300:Ediacaran 109:July 2018 3665:Category 3635:St Kilda 3625:Scandola 3615:Plitvice 3530:Durmitor 3510:Aggtelek 3463:Cimmeria 3453:Avalonia 3440:Terranes 3194:Pyrenees 3169:Caucasus 3141:Variscan 3121:Timanide 3116:Scourian 3111:Scandian 3091:Hellenic 3081:Grampian 3056:Cadomian 2993:Guernsey 2988:Alderney 2973:Scotland 2928:Slovenia 2923:Slovakia 2898:Portugal 2886:Svalbard 2722:Bulgaria 2624:Category 2574:de Rozel 2488:du Douet 2379:de Rozel 2323:du Douet 2045:Religion 1899:Taxation 1810:Honorary 1779:Greffier 1638:Politics 1599:Parishes 1508:Hautlieu 1377:Maritime 1362:COVID-19 1045:ankerite 944:Tertiary 918:dykes. 902:feldspar 894:Armorica 890:Tertiary 886:Mesozoic 800:limonite 788:perthite 784:fluorite 728:hematite 704:rhyolite 685:Andesite 668:Armorica 657:chlorite 641:hornfels 628:feldspar 586:mudstone 370:Tertiary 356:Jurassic 342:Triassic 328:Devonian 321:Silurian 307:Cambrian 152:Cambrian 3645:Surtsey 3630:Ĺ kocjan 3585:Meteora 3575:Laponia 3570:Kvarken 3458:Baltica 3204:Sudetes 3136:Uralian 3106:Saamian 3076:Gothian 3041:Acadian 3033:Orogens 2963:England 2953:Ukraine 2903:Romania 2851:Moldova 2801:Ireland 2796:Iceland 2791:Hungary 2781:Germany 2776:Georgia 2759:Finland 2754:Estonia 2742:Denmark 2727:Croatia 2712:Belgium 2707:Belarus 2697:Austria 2692:Armenia 2687:Andorra 2682:Albania 2608:Outline 2561:Trinity 2427:du Nord 2313:du Nord 2257:du Coin 2104:Symbols 2055:Theatre 1957:Culture 1941:airport 1931:Tourism 1830:Economy 1654:Bailiff 1594:Geology 1483:Schools 1403:Dolmens 1280:History 1187:Sources 1064:dolmens 1031:sp and 920:Biotite 742:around 649:biotite 527:← 511:← 495:← 479:← 463:← 445:← 429:← 413:← 349:Permian 273:– 263:– 253:– 243:– 233:– 223:– 213:– 203:– 193:– 183:– 93:scholar 3545:Glarus 3101:Lopian 3046:Alpine 2998:Jersey 2948:Turkey 2938:Sweden 2918:Serbia 2908:Russia 2893:Poland 2876:Norway 2856:Monaco 2826:Latvia 2821:Kosovo 2810:Sicily 2786:Greece 2771:France 2732:Cyprus 2422:du Sud 2155:parish 2112:Anthem 1874:Livre 1805:Police 1768:Courts 1271:Jersey 1095:hoggin 1029:Betula 796:quartz 790:, and 772:aplite 697:pumice 617:quartz 604:, and 567:, and 547:Jersey 403:  398:  393:  388:  383:  286:Tonian 143:Jersey 95:  88:  81:  74:  66:  3610:Pirin 3209:Urals 2978:Wales 2933:Spain 2846:Malta 2806:Italy 2065:Media 2050:Sport 2028:Music 1882:Roads 1867:coins 1800:Jurat 1772:Royal 1622:Gorey 1130:Study 1113:Water 1033:Alnus 991:loess 966:chalk 962:Flint 780:topaz 594:flute 577:shale 100:JSTOR 86:books 3565:Komi 3179:Harz 3159:Alps 2127:Flag 1919:Sure 1659:list 1101:Sand 1051:and 999:head 888:and 880:The 794:and 782:and 691:and 689:tuff 647:and 623:and 154:and 139:The 72:news 3379:and 2153:by 1760:Law 1206:in 1195:in 929:435 842:465 835:426 828:438 666:of 55:by 3667:: 1162:. 1055:. 1047:, 933:. 900:, 846:. 814:. 778:, 659:. 600:, 549:. 2812:) 2808:( 2658:e 2651:t 2644:v 2118:) 2114:( 1774:) 1770:( 1263:e 1256:t 1249:v 1166:. 1027:( 853:/ 122:) 116:( 111:) 107:( 97:· 90:· 83:· 76:· 49:. 20:)

Index

Brioverian volcanics

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Jersey
Cadomian Orogeny
Cambrian
Quaternary
Tonian
Cryogenian
Ediacaran
Cambrian
Ordovician
Silurian
Devonian
Carboniferous
Triassic
Permian
Jurassic
Cretaceous
Tertiary

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