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storage. It is not visible from the surface, as it is covered by agricultural farmland. The present day location is near the intersection of Cowser and
Kingston Mines roads. It was identified in 1963 as a probable impact structure. In the 1980s, scientists identified
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269:. Dr. Birger Schmitz's study suggests that the dust from the meteor impact may have impacted Earth's climate and contributed to the mid-Ordovician
401:
Monson, Charles C.; Sweet, Dustin; Segvic, Branimir; Zanoni, Giovanni; Balling, Kyle; Wittmer, Jacalyn M.; Ganis, G. Robert; Cheng, Guo (2019).
618:
490:"The Late Ordovician (Sandbian) Glasford structure: A marine-target impact crater with a possible connection to the Ordovician meteorite event"
403:"The Late Ordovician (Sandbian) Glasford structure: A marine-target impact crater with a possible connection to the Ordovician meteorite event"
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period. The meteorite is estimated between 50 and 90 million tons and likely originated in the asteroid belt between Mars and
Jupiter.
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It is 4 kilometers (2.5 mi) in diameter and the age is estimated to be less than 430 million years (
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250:. Geologists estimate the meteor released a large amount of energy, roughly equivalent to 20,000
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According to research by geologist
Charles Monson, the Glasford crater may be connected to the
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Site of crater from south, at intersection of Cowser and
Kingston Mines Rds.
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223:, in the United States. It is one of two known meteor craters in Illinois.
349:
Planetary and Space
Science Centre University of New Brunswick Fredericton
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1066:
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521:
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309:"Tectonic History of the Glasford Cryptoexplosion Structure: ABSTRACT"
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227:
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241:(formerly CILCO, now Ameren) while drilling wells for underground
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1171:
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1071:
238:
598:, Research Subcommittee, Associate Committee on Meteorites,
682:"Glasford Meteor May Have Played A Role in Ancient Ice Age"
230:
or younger). It was formed in a marine environment in the
255:
400:
545:"Ordovician Explosion Structure at Glasford, Illinois"
619:"Nick in the AM: When a meteor landed near Glasford"
1331:
494:52nd Lunar and Planetary Science Conference 2021
296:. Washington: U.S. Govt. Print. Off. p. 42.
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643:"GLASFORD IMPACT STRUCTURE – Crater Explorer"
487:
306:
293:Terrestrial impact structures: a bibliography
1321:
1307:
724:
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258:, or two to three times the energy of the
237:The Glasford crater was discovered by the
27:
1375:Silurian southern paleotemperate deposits
542:
289:
202:Glasford Disturbance, Glasford Structure
679:
307:Ryan, Robert; Buschbach, T. C. (1963).
176:
1332:
662:"Where Meteor Crashed Near Glasford".
616:
370:
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675:
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543:Buschbach, Robert Ryan T. C. (1963).
1360:Landforms of Peoria County, Illinois
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589:Meteorite Research - Progress Report
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1350:Impact craters of the United States
600:National Research Council of Canada
407:Meteoritics & Planetary Science
13:
670:
605:
572:"Meteor cratered central Illinois"
206:Glasford Cryptoexplosion Structure
14:
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488:Alwmark, C; Monson, C.C. (2021).
389:
373:"Prairie Research Institute News"
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290:Freeberg, Jacquelyn H. (1966).
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371:Jolley, Tiffany (2019-11-12).
331:
300:
283:
267:Great Ordovician Meteor Shower
239:Central Illinois Light Company
1:
1380:Peoria-Canton geography stubs
1255:Lunar and Planetary Institute
1087:Cretaceous–Paleogene boundary
276:
1293:. You can help Knowledge by
7:
1147:Planar deformation features
680:Shelley, Tim (2019-11-19).
617:Vlahos, Nick (2017-02-20).
10:
1396:
1272:
1250:Impact Field Studies Group
63:350 metres (1,150 ft)
55:4 kilometres (2.5 mi)
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833:
816:
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739:
733:Impact cratering on Earth
555:– via ResearchGate.
260:Mount St. Helens eruption
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16:Impact crater in Illinois
1220:William Kenneth Hartmann
886:Clearwater East and West
834:Confirmed≥20 km diameter
578:. 1999-09-20. p. 4.
1370:Silurian impact craters
1287:Peoria County, Illinois
1137:Ordovician meteor event
506:2019M&PS...54.2927M
419:2019M&PS...54.2927M
39:Impact crater/structure
1289:location article is a
1240:Eugene Merle Shoemaker
1117:Late Heavy Bombardment
254:, 460 million tons of
1355:Landforms of Illinois
1340:Earth Impact Database
1261:Traces of Catastrophe
1245:Earth Impact Database
1193:Ralph Belknap Baldwin
344:Earth Impact Database
200:, also known as the
1345:Geology of Illinois
664:Peoria Journal Star
623:Peoria Journal Star
576:Burlington Hawk Eye
118: /
1157:Shock metamorphism
1062:Alvarez hypothesis
594:2006-05-24 at the
514:10.1111/maps.13401
453:– via Wiley.
427:10.1111/maps.13401
377:blogs.illinois.edu
158:Glasford, Illinois
1365:Silurian Illinois
1302:
1301:
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1210:Edward C. T. Chao
500:(12): 2927–2950.
413:(12): 2927–2950.
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122:40.600°N 89.783°W
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1281:
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1235:Peter H. Schultz
1198:Daniel Barringer
1107:Impact structure
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1203:Barringer Medal
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1092:Cryptoexplosion
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961:Nördlinger Ries
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666:. 1963-04-09.
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252:nuclear bombs
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248:shatter cones
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217:Peoria County
214:
213:impact crater
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1295:expanding it
1284:
1259:
1230:Graham Ryder
1152:Shatter cone
1142:Philippinite
991:Saint Martin
986:Rochechouart
891:Gosses Bluff
846:Amelia Creek
749:Impact event
689:. Retrieved
685:
663:
657:
646:. Retrieved
637:
626:. Retrieved
622:
584:
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552:
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472:. Retrieved
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380:. Retrieved
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352:. Retrieved
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292:
285:
264:
236:
225:
215:in southern
211:is a buried
208:
205:
201:
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154:Municipality
1026:Tookoonooka
1011:Steen River
1001:Siljan Ring
931:Manicouagan
916:Keurusselkä
686:WCBU Peoria
243:natural gas
125: /
100:Coordinates
73:< 430 Ma
1334:Categories
1167:Stishovite
1067:Australite
1046:Yarrabubba
1016:Strangways
976:Presqu'île
951:Montagnais
921:Lappajärvi
871:Charlevoix
856:Beaverhead
851:Araguainha
805:By country
775:Antarctica
691:2023-10-02
648:2023-10-02
628:2023-10-02
474:2023-10-02
465:"Glasford"
382:2023-10-02
354:2009-08-13
339:"Glasford"
277:References
44:Confidence
1132:Moldavite
1127:Meteorite
1112:Impactite
1041:Woodleigh
1036:Vredefort
996:Shoemaker
956:Morokweng
941:Mistastin
881:Chicxulub
785:Australia
765:Worldwide
530:210296191
451:210296191
435:1086-9379
325:0149-1423
47:Confirmed
1186:Research
1031:Tunnunik
926:Logancha
896:Haughton
866:Carswell
810:Possible
592:Archived
228:Silurian
221:Illinois
185:Illinois
149:Illinois
94:Location
52:Diameter
1177:Tektite
1172:Suevite
1077:Coesite
1072:Breccia
1021:Sudbury
971:Popigai
966:Obolon'
946:Mjølnir
911:Karakul
901:Kamensk
861:Boltysh
841:Acraman
522:1767765
502:Bibcode
443:1767765
415:Bibcode
271:Ice Age
138:Country
113:89°47′W
110:40°36′N
86:Drilled
78:Exposed
1055:Topics
936:Manson
790:Europe
770:Africa
602:, 1967
528:
520:
449:
441:
433:
323:
204:, and
1285:This
758:Lists
526:S2CID
447:S2CID
146:State
60:Depth
1291:stub
906:Kara
518:OSTI
439:OSTI
431:ISSN
321:ISSN
196:The
510:doi
423:doi
256:TNT
141:USA
89:Yes
69:Age
1336::
684:.
672:^
621:.
607:^
574:.
561:^
553:47
551:.
547:.
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498:54
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391:^
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363:^
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317:47
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273:.
262:.
219:,
81:No
1322:e
1315:t
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1297:.
725:e
718:t
711:v
694:.
651:.
631:.
532:.
512::
504::
477:.
425::
417::
385:.
357:.
327:.
209:,
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
