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by the filling with sediment of a pre-existing basin. An explanation for the embayment's formation was put forward by Van
Arsdale and Cox in 2007: movement of the Earth's crust brought this region over a volcanic
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Imlay, R.W., 1949. Lower
Cretaceous and Jurassic formations of southern Arkansas and the oil and gas possibilities. Arkansas Resource and Development Commission, Division of Geology, Information Circular 12,
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Evidence for this explanation is found in the presence of the seismic zones centered on New Madrid, Missouri, and
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Pangaea began to break up about 200 million years ago, North America passed over a volcanic "
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Significant shorelines along the U.S. Gulf and
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The
Mississippi embayment stretches from central Louisiana into southern Missouri.
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Jason Morgan, W. (1983). "Hotspot tracks and the early rifting of the
Atlantic".
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lies at the northern end of the embayment. It was the site of the large
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475:) that was undergoing a period of intense activity. The upwelling of
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no doubt affected and may have partially re-activated the old rift.
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of 1811-12. The area is underlain by some anomalous geology. The
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and eventually filled with sediment from the Mississippi River.
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Low-lying basin filled with Cretaceous to recent sediments
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range, which runs on a rough east–west axis west of the
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Van Arsdale, Roy B.; Cox, Randel T. (January 2007).
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Pages displaying wikidata descriptions as a fallback
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413:Learn how and when to remove this message
199:Learn how and when to remove this message
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547:Mississippi Embayment Structural Map
351:adding citations to reliable sources
133:adding citations to reliable sources
602:"The Mississippi's Curious Origins"
506:, which are products of volcanism.
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263:New Madrid Seismic Zone
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267:New Madrid earthquakes
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1695:Tennessee portal
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607:Scientific American
471:(specifically, the
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336:This section
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880:Demographics
802:Constitution
760:Homelessness
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613:September 1,
611:. Retrieved
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340:verification
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1095:Chattanooga
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1047:Chattanooga
775:LGBT rights
765:Tennesseans
427:Appalachian
283:Precambrian
240:sedimentary
1752:Aulacogens
1741:Categories
1714:89°40′52″W
1711:33°45′04″N
1671:Williamson
1651:Washington
1586:Sequatchie
1576:Rutherford
1516:Montgomery
1446:Lauderdale
1291:Cumberland
1188:Union City
1178:Cookeville
1135:Morristown
1014:Tri-Cities
908:newspapers
895:Literature
785:newspapers
780:Mass media
587:References
500:kimberlite
373:newspapers
227:to recent
225:Cretaceous
219:low-lying
159:newspapers
72:and early
70:Cretaceous
62:Ohio River
1641:Van Buren
1626:Trousdale
1571:Robertson
1426:Jefferson
1416:Humphreys
1396:Henderson
1266:Claiborne
1140:Nashville
1125:Knoxville
1105:Cleveland
1042:Knoxville
1032:Nashville
890:Education
807:Elections
750:Geography
705:(capital)
702:Nashville
692:Tennessee
502:pipes in
441:carrying
403:July 2020
307:to early
305:Paleozoic
279:aulacogen
248:Tennessee
237:Paleozoic
229:sediments
213:embayment
189:July 2020
116:does not
97:Geography
1611:Sullivan
1486:Marshall
1451:Lawrence
1376:Hardeman
1366:Hamilton
1346:Grainger
1331:Franklin
1326:Fentress
1296:Davidson
1286:Crockett
1256:Cheatham
1236:Campbell
1206:Anderson
1198:Counties
1150:Combined
1062:Franklin
812:Governor
755:Gun laws
725:Cannabis
720:Abortion
553:See also
504:Arkansas
431:Ouachita
309:Mesozoic
286:break-up
256:Arkansas
252:Missouri
244:Kentucky
233:geologic
74:Cenozoic
1661:Weakley
1606:Stewart
1546:Pickett
1536:Overton
1501:McNairy
1476:Madison
1461:Lincoln
1431:Johnson
1421:Jackson
1411:Houston
1406:Hickman
1391:Haywood
1386:Hawkins
1371:Hancock
1361:Hamblen
1321:Fayette
1311:Dickson
1301:Decatur
1261:Chester
1246:Carroll
1231:Bradley
1221:Bledsoe
1211:Bedford
1130:Memphis
1110:Jackson
1072:Jackson
1037:Memphis
957:Regions
885:Economy
863:Culture
849:Symbols
745:Outline
740:History
465:hotspot
458:Pangaea
387:scholar
293:Rodinia
288:of the
173:scholar
137:removed
122:sources
79:hotspot
56:of the
1676:Wilson
1646:Warren
1631:Unicoi
1621:Tipton
1616:Sumner
1596:Shelby
1591:Sevier
1556:Putnam
1526:Morgan
1511:Monroe
1496:McMinn
1481:Marion
1466:Loudon
1381:Hardin
1356:Grundy
1351:Greene
1336:Gibson
1306:DeKalb
1281:Coffee
1251:Carter
1241:Cannon
1226:Blount
1216:Benton
943:Middle
904:Media
712:Topics
485:trough
469:mantle
451:Africa
389:
382:
375:
368:
360:
313:Pangea
175:
168:
161:
154:
146:
83:mantle
1666:White
1656:Wayne
1636:Union
1601:Smith
1581:Scott
1566:Roane
1541:Perry
1531:Obion
1521:Moore
1506:Meigs
1491:Maury
1471:Macon
1456:Lewis
1401:Henry
1341:Giles
1276:Cocke
913:radio
900:Music
875:Crime
790:radio
688:State
477:magma
394:JSTOR
380:books
277:, an
221:basin
215:is a
180:JSTOR
166:books
87:magma
1561:Rhea
1551:Polk
1441:Lake
1436:Knox
1316:Dyer
1271:Clay
948:West
938:East
817:list
735:Name
615:2019
510:Maps
481:arch
449:and
366:news
299:and
275:rift
261:The
254:and
246:and
211:The
152:news
120:any
118:cite
40:The
690:of
646:doi
632:64.
349:by
131:by
64:at
1743::
918:TV
795:TV
642:94
640:.
604:.
680:e
673:t
666:v
652:.
648::
617:.
416:)
410:(
405:)
401:(
391:·
384:·
377:·
370:·
343:.
202:)
196:(
191:)
187:(
177:·
170:·
163:·
156:·
139:.
125:.
77:"
20:)
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