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Reeve's Bonebed : ウィキペディア英語版 | Reeve's Bonebed Reeve's Bonebed is a geological formation in Presidio County, Texas, with the coordinates of 29.9° N, 104.2° W. It consists of fossiliferous sedimentary rock dating from the late Eocene and early Oligocene. It is well known for its vertebrate fossils, hence the name "bone bed". A few invertebrate fossils are also present. ==Geology== Reeve's bonebed lies in the Vieja Formation.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Reeve's Bonebed」の詳細全文を読む
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