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St. Mary's Islands

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349: 845: 859: 63: 821: 833: 662: 809: 875: 50: 70: 364:". The lava rocks form regular five, six or seven-sided pillars, called "laminar lava", and are found in varying heights in all the islands; the tallest of the columns is about 6 m (20 ft). Considering the importance and rarity of such an occurrence, these islands were classified as a National Geological Monument in 2001 by the 478:
at different temperatures) of island rock samples indicate the presence of a multi domain (MD) state of magnetite. It is inferred that: "the formation of MD could have affected the stability and consistency of magnetic directions in these rocks" and that "this igneous body has been either annealed or
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The highest elevation at Coconut Island, which has generated interest among geologists and tourists, is about 10 m (32.8 ft) above msl with surrounding areas in the form of platforms in the elevation range of +6 m (19.7 ft), +3 m (9.8 ft), +1.5 m (4.9 ft) and +
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Out of the four islands, the northernmost island has a basaltic rock formation in a hexagonal form, the only one of its type in India such as Malpe and others. The island covers an area which is about 500 m (1,640.4 ft) in length with a width of 100 m (328.1 ft). It has prominent
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All links to the island are only through the mainland town of Malpe, which is a major fishing harbor. The beach at this location is enlivening. It is located 5 km west of Udupi town, the administrative headquarters for the Islands. Apart from the Islands, Malpe too has tourist attractions such
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The Islands are bereft of buildings, fences, shops. There are no domestic animals either. There are only covered pavilions with park benches on the shore and further inland. Visitors can wander around freely and enjoy the hexagonal formations from vantage locations. Visitors have to carry drinking
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Another scientific study on the biogeographic and tectonic history of India reported that: "Although real breaks among the lands were indicated by the physical data, faunal links were maintained by agile animals that were able to surmount minor marine barriers. India, during its northward journey,
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region of southwestern India, which were also dated earlier, indicate the age as 85 Ma. Madagascar flood basalt province's Ar–Ar ages of 89–85 Ma tallies with the SMI volcanic age. The conclusion drawn by the study is that the Madagascar flood basalt province, the SMI volcanics, and possibly the
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hypothesizes a new India–Madagascar fit related to the Late Cretaceous, directly prior to and during the early phase of Madagascar–India separation. A scientific study paper on Late Cretaceous India–Madagascar fit and timing of break–up related magmatism by several scholars reported in the Wiley
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haven with seashells of various shapes and sizes littered along the coast. There is no sand beach to swim and relax since it is scattered with basaltic rocks. The beach has security guards who ensure that visitors do not venture into danger zones of the islands.
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The islands are generally aligned parallel to the coast line, which provide clues to the phenomenon of uplift of the west coast of India. The islands' terraces and elevated beach deposits along with the tide gauge data at the dead oyster beach in
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of the islands and the Deria Bahdur Ghur (the islands north of the port of Malpe, named after the cross set up by Vasco da Gama), have been compiled in a manual by John Sturrocks, the district collector of Mangalore in 1894.
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There are different theories on the age of the St. Mary's Islands rocks. In the analysis reported in the above section it has been further concluded that the multi domain (MD) state found in these rocks are uncommon in the
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fishing harbour (which has a ship building yard also) to the islands. However, the frequency of these boats may vary depending on the number of tourists visiting. It is 58 km (36.0 mi) to the North of
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technique. Since the technique used was a simple use of an average of five out of six widely varying dates and arbitrary data selectivity chosen, the results were not considered reliable. A method of Ar–Ar
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emerged from the vast deluge of hot molten basaltic lava in the western part of India which is now seen as flat topped hills and step like terraces. Scientific studies carried out at the
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water and sun screens since the climate is usually hot. Since the last few yards of the approach to the island involves wading, it may be preferable to avoid wearing sneakers.
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The north–south aligned islands form a non-continuous chain. The four largest islands are Coconut Island, North Island, Daryabahadurgarh Island and South Island.
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coconut trees, its cover reflecting an azure south sea colour, and hence the island is also called Coconut Island. There is no habitation on the islands.
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and about 66-35 Ma of the Deccan Traps. With this appreciation, the author has concluded that the igneous activity of St. Mary's Islands may represent
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Kerala dykes may well represent volcanic activity associated with the break-up of Greater India and Madagascar, in the Upper Cretaceous at 88 Ma.
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to the latest Cretaceous is reported as 69–66 Ma (Deccan-related). The two regional dykes (a leucograbbro and a felsite) from the
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The only way of getting to the islands is by boat. For advanced boating service visit malpe beach which is 5.8 km from town
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0 m which are stated to have been formed by wave action pointing to an "episodic sea level rise or fall of land".
134: 1418: 1419:"A Brief History of Scientific Technology, Research and Educational Progress of South Kanara, Karnataka State" 2138: 2133: 906: 1930: 348: 248:
Columnar rhyolite Lava here form one of the four geological monuments in Karnataka state, one of the 34
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The columnar basaltic lava found in these Islands, which is very well developed in the basalts of
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Four Islands -Coconut Island, the North Island, the Daryabahadurgarh Island and the South Island
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have been sighted on the Islands. But on the approach to the Islands from the Malpe beach,
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was attached to India. The rifting of Madagascar took place around 88 million years ago.
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Scientific studies indicate that the basalt of the St. Mary's Islands was formed by
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probably resulted from rift related extensional processes initially induced by the
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In a further analysis of the age of the break-up of Greater India (India plus
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in 2016 for their protection, maintenance, promotion and enhancement of
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Pande, Kanchan; Sheth, Hetu C.; Bhutani, Rajneesh (30 November 2001).
227:, India. They are known for their distinctive geological formation of 2062: 2047: 1809: 1804: 1698: 1593: 1568: 1519: 1203: 1147: 935: 787: 779: 743: 735: 681: 562: 497: 493: 461: 391: 235: 224: 186: 181: 139: 496:
is linked to the initial break–up between India and Madagascar, and
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Indian Institute of Technology, Doctoral thesis by A. B. Valsangkar
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The columnar jointing pattern is well developed on Coconut Island.
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of the rocks of the island has brought out the following facts.
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near Mumbai. Malpe is 4 km (2.5 mi) from Udupi town.
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Madhyastha, M.N.; Abdul Rahiman, M.; Kaveriappa, K.M. (1982).
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Udupi: St Mary's Islands – Nature at its Resplendent Best
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A view of basaltic rock formation in St. Mary's Island
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are linked to Malpe, by the West Coast Railway. The
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Current Science Volume 75 Pages 727-730 211:, are a set of four small islands in the 1193: 1191: 857: 814:A beach on one of the St. Mary's Islands 720: 665:The highest point on St. Mary's Islands. 660: 623:The western coasts of the islands are a 492:Inter Science Journal states: "St. Mary 347: 1449: 1447: 989: 987: 985: 704:(breeding plumage) and groups of large 2159:National Geological Monuments in India 2126: 1340: 1219: 1140: 647:A detailed description of the natural 618: 468:are recorded in the ground mass phases 388:Indian Institute of Technology, Bombay 250:National Geological Monuments of India 1488: 1188: 1136: 1134: 958: 956: 954: 952: 1444: 1426:Indian Journal of History of Science 1375:"St Marys Island, Udippi, Karnataka" 982: 371:The Deccan Traps that formed during 1291:Earth and Planetary Science Letters 1143:"A beach and an island to relax on" 1065: 1035: 1009: 270:discovery of the sea route to India 13: 1131: 949: 14: 2180: 1473: 903:Devils Postpile National Monument 514: 1360:10.1046/j.1365-2699.2003.00809.x 1141:Prabhu, Ganesh (31 March 2006). 873: 843: 831: 819: 807: 68: 61: 48: 1410: 1389: 1367: 1334: 1275: 1249: 241:activity, because at that time 1167: 1101: 1087: 1072:national geo-heritage of India 798:Pictures of St. Mary's Islands 1: 1689:Ponnaiyar (Dakshina Pinakini) 1321:10.1016/S0012-821X(01)00495-2 942: 907:The Cove Palisades State Park 2169:Uninhabited islands of India 414:composition that consist of 82:Location in Karnataka, India 7: 2154:Geography of Udupi district 1341:Briggs, J.C. (March 2003). 866: 826:Rocks at St. Mary's Islands 10: 2185: 1377:. Maps of India. July 2011 850:Another view of the Island 406:Islands comprise fully of 366:Geological Survey of India 343: 263: 254:Geological Survey of India 25:Island in Karnataka, India 15: 2078:Krishna Raja Sagara / KRS 2025: 1949: 1941:Yele Mallappa Shetty Lake 1868: 1845:Shivanasamudra or Cauvery 1747: 1526: 1199:"Where rocks tell a tale" 636:consecrated by the saint 197: 180: 170: 165: 157: 145: 133: 125: 90: 56: 47: 40: 30: 1051:Press Information Bureau 524:and non-existent in the 430:and carry basic patches. 320:Geography and topography 1684:Penna (Uttara Pinakini) 1347:Journal of Biogeography 1303:2001E&PSL.193...39P 1077:11 January 2017 at the 479:could be an intrusive." 384: million years ago 304:, before proceeding to 300:, the virgin-mother of 286:O Padrão de Santa Maria 1881:Hebbal Lake, Bangalore 863: 706:Asian green bee-eaters 666: 584:potassium-argon dating 353: 161:10 m (30 ft) 861: 721:Access to the islands 664: 640:, the founder of the 351: 171: • Official 2139:Beaches of Karnataka 2134:Islands of Karnataka 1095:"Geo-Heritage Sites" 1043:"Geo-Heritage Sites" 909:in the United States 708:have been recorded. 487:data from India and 1906:Krishna Raja Sagara 1886:Hebbal Lake, Mysore 1397:"St Mary's Islands" 1207:. 16 September 2002 1155:on 13 December 2006 1119:on 1 September 2014 964:"Columnar Rhyolite" 712:Visitor Information 644:school of thought. 619:General information 306:Calicut (Kozhikode) 282:Kingdom of Portugal 215:, off the coast of 110:13.3795°N 74.6730°E 106: /  2113:Vani Vilasa Sagara 2007:St. Mary's Islands 1931:Thippagondanahalli 1455:"St.Mary's Island" 1175:"St Mary's Island" 864: 698:great white egrets 667: 607:remained close to 576:argon–argon dating 354: 312:, the present-day 229:columnar rhyolitic 205:St. Mary's Islands 76:St. Mary's Islands 32:St. Mary's Islands 2121: 2120: 2088:Raja Lakhamagouda 1457:. 30 January 2007 1263:on 5 January 2013 436:Mineralogically, 410:rocks. They have 231:lava (pictured). 202: 201: 2176: 2164:Islands of India 2149:Columnar basalts 2144:Geology of India 1674:Panchagangavalli 1644:Lakshmana Tirtha 1509: 1502: 1495: 1486: 1485: 1467: 1466: 1464: 1462: 1451: 1442: 1441: 1439: 1437: 1423: 1414: 1408: 1407: 1405: 1403: 1393: 1387: 1386: 1384: 1382: 1371: 1365: 1364: 1362: 1338: 1332: 1331: 1329: 1327: 1314: 1288: 1279: 1273: 1272: 1270: 1268: 1253: 1247: 1246: 1244: 1242: 1228: 1217: 1216: 1214: 1212: 1195: 1186: 1185: 1183: 1181: 1171: 1165: 1164: 1162: 1160: 1151:. Archived from 1138: 1129: 1128: 1126: 1124: 1115:. Archived from 1105: 1099: 1098: 1091: 1085: 1069: 1063: 1062: 1060: 1058: 1039: 1033: 1032: 1030: 1028: 1019:. 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Index

St Mary's Island

St. Mary's Islands is located in Karnataka
13°22′46″N 74°40′23″E / 13.3795°N 74.6730°E / 13.3795; 74.6730
State
Karnataka
District
Udupi
Kannada
Time zone
UTC+5:30
IST
Arabian Sea
Malpe
Udupi
Karnataka
columnar rhyolitic
sub-aerial
subvolcanic
Madagascar
National Geological Monuments of India
Geological Survey of India
geotourism
discovery of the sea route to India
Vasco da Gama
voyage
Kingdom of Portugal
Portuguese
dedication
St Mary

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