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- Flynn_Creek_crater abstract "Flynn Creek crater, is an impact crater situated in Jackson County, approximately 8 km south of Gainesboro, Tennessee, USA. It was formed approximately 360 million years ago as a shallow, saucer-shaped crater, 3.8 km in diameter and about 150 m deep. A large central hill, highly deformed rim strata, and a breccia lens 40 m in thickness were produced during formation. Over 2 km2 of flat lying Middle and Upper Paleozoic limestone and dolomite were brecciated and mixed to a depth of 200 m, and at least half of the breccia was ejected from the crater. The remaining breccia contains fragments ranging in size from small grains to megabreccia blocks 100 m in length. Undisturbed strata lie 100 m below the original crater floor.In the middle of the crater, a sequence of steeply-dipping, folded, faulted, and brecciated Middle Ordovician limestone and dolomite has been uplifted 100 m to form a large central hill. Knox strata in the central uplift are raised 350 m above their normal position and locally contain shatter cones.In the rim surrounding the crater, Ordovician limestone has been uplifted 10 m to 50 m, and is moderately to tightly folded into doubly plunging anticlines and synclines that have axes concentric to the crater walls. In parts of the rim, folds have resulted in radial shortening as great as 35%. Faulting is common in the rim strata and is usually concentric to the crater walls.In the southeastern rim, a large thrust block forms the crater wall and has been moved out from the crater and uplifed about 50 m. The thrust block partly overrides a tilted rim graben that has down-dropped about 100 m and moved toward the crater. Overlying this graben is a layer of breccia which is apparently the remains of an ejecta blanket that once surrounded the crater.Post-crater erosion removed the ejecta, except for that overlying the graben, and lowered the regional ground surface less than 30 m. Within a few million years of the cratering event the entire structure was covered with shale deposits from the early Late Devonian Chattanooga Sea, creating one of the best-preserved ancient impact structures presently known. Subsequent erosion along Flynn Creek drainage has exposed a large extent of the structure. Karst development in the immediate area has created numerous caves associated with impact features, including the only cave known to occur in the central uplift of an impact structure, Hawkins Impact Cave.".
- Flynn_Creek_crater wikiPageExternalLink FlynnCreekFieldGuide.pdf.
- Flynn_Creek_crater wikiPageID "780077".
- Flynn_Creek_crater wikiPageLength "4376".
- Flynn_Creek_crater wikiPageOutDegree "27".
- Flynn_Creek_crater wikiPageRevisionID "617939021".
- Flynn_Creek_crater wikiPageWikiLink Anticline.
- Flynn_Creek_crater wikiPageWikiLink Breccia.
- Flynn_Creek_crater wikiPageWikiLink Category:Devonian_impact_craters.
- Flynn_Creek_crater wikiPageWikiLink Category:Geology_of_Tennessee.
- Flynn_Creek_crater wikiPageWikiLink Category:Impact_craters_of_the_United_States.
- Flynn_Creek_crater wikiPageWikiLink Category:Landforms_of_Jackson_County,_Tennessee.
- Flynn_Creek_crater wikiPageWikiLink Category:Landforms_of_Tennessee.
- Flynn_Creek_crater wikiPageWikiLink Devonian.
- Flynn_Creek_crater wikiPageWikiLink Dolomite.
- Flynn_Creek_crater wikiPageWikiLink Ejecta_blanket.
- Flynn_Creek_crater wikiPageWikiLink Fault_(geology).
- Flynn_Creek_crater wikiPageWikiLink Fold_(geology).
- Flynn_Creek_crater wikiPageWikiLink Gainesboro,_Tennessee.
- Flynn_Creek_crater wikiPageWikiLink Graben.
- Flynn_Creek_crater wikiPageWikiLink Impact_crater.
- Flynn_Creek_crater wikiPageWikiLink Jackson_County,_Tennessee.
- Flynn_Creek_crater wikiPageWikiLink Karst.
- Flynn_Creek_crater wikiPageWikiLink Knoxville,_Tennessee.
- Flynn_Creek_crater wikiPageWikiLink Limestone.
- Flynn_Creek_crater wikiPageWikiLink Ordovician.
- Flynn_Creek_crater wikiPageWikiLink Paleozoic.
- Flynn_Creek_crater wikiPageWikiLink Shatter_cone.
- Flynn_Creek_crater wikiPageWikiLink Stratum.
- Flynn_Creek_crater wikiPageWikiLink Syncline.
- Flynn_Creek_crater wikiPageWikiLink Tennessee.
- Flynn_Creek_crater wikiPageWikiLink United_States.
- Flynn_Creek_crater wikiPageWikiLink University_of_Tennessee.
- Flynn_Creek_crater wikiPageWikiLinkText "Flynn Creek crater".
- Flynn_Creek_crater wikiPageWikiLinkText "Flynn Creek".
- Flynn_Creek_crater wikiPageUsesTemplate Template:Cite_book.
- Flynn_Creek_crater wikiPageUsesTemplate Template:Coord.
- Flynn_Creek_crater wikiPageUsesTemplate Template:Impact_cratering_on_Earth.
- Flynn_Creek_crater wikiPageUsesTemplate Template:Reflist.
- Flynn_Creek_crater subject Category:Devonian_impact_craters.
- Flynn_Creek_crater subject Category:Geology_of_Tennessee.
- Flynn_Creek_crater subject Category:Impact_craters_of_the_United_States.
- Flynn_Creek_crater subject Category:Landforms_of_Jackson_County,_Tennessee.
- Flynn_Creek_crater subject Category:Landforms_of_Tennessee.
- Flynn_Creek_crater hypernym Crater.
- Flynn_Creek_crater point "36.28333333333333 -85.66666666666667".
- Flynn_Creek_crater type Crater.
- Flynn_Creek_crater type Redirect.
- Flynn_Creek_crater type SpatialThing.
- Flynn_Creek_crater comment "Flynn Creek crater, is an impact crater situated in Jackson County, approximately 8 km south of Gainesboro, Tennessee, USA. It was formed approximately 360 million years ago as a shallow, saucer-shaped crater, 3.8 km in diameter and about 150 m deep. A large central hill, highly deformed rim strata, and a breccia lens 40 m in thickness were produced during formation.".
- Flynn_Creek_crater label "Flynn Creek crater".
- Flynn_Creek_crater sameAs Q3696694.
- Flynn_Creek_crater sameAs Cratere_di_Flynn_Creek.
- Flynn_Creek_crater sameAs Flynn_Creek_(krater).
- Flynn_Creek_crater sameAs m.03bsn0.
- Flynn_Creek_crater sameAs Q3696694.
- Flynn_Creek_crater lat "36.28333333333333".
- Flynn_Creek_crater long "-85.66666666666667".
- Flynn_Creek_crater wasDerivedFrom Flynn_Creek_crater?oldid=617939021.
- Flynn_Creek_crater isPrimaryTopicOf Flynn_Creek_crater.