Graduate Thesis Or Dissertation
 

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/0c483m927

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Abstract
  • The thesis area includes 44 square miles of the Centennial Range in Beaverhead County, Montana, and Clark County, Idaho. The rocks exposed in the area range in age from Precambrian to Recent and have been divided into 23 mapped units. Pre-Belt metamorphic basement rocks are overlain unconformably by 3,433 feet of Paleozoic strata included in eleven formations. These formations represent all of the periods of the Paleozoic except the Ordovician and Silurian. Nine formations represent all the periods of the Mesozoic and total approximately 3,127 feet in thickness. Cenozoic units present in the area are basalts and rhyolites, landslide debris, glacial deposits, and alluvium. The major structure of the thesis area is a fault block that is the result of uplifting and tilting of the east-west trending Centennial Range during the downwarp of the Snake River Plain in late Pliocene and Pleistocene time. No stratigraphic or structural conditions in the thesis area are favorable for the accumulation and entrapment of oil and gas. Phosphorite has been mined from the Phosphoria Formation in the area.
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  • description.provenance : Made available in DSpace on 2014-03-04T17:44:51Z (GMT). No. of bitstreams: 2 MoranJohnL1971.pdf: 5910807 bytes, checksum: d8a58e4764d2c5bab8c86a168f19f070 (MD5) Moran1.pdf: 7208563 bytes, checksum: 18f8177f6351af6b098564566d8577db (MD5) Previous issue date: 1970-06-11
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2014-03-04T17:44:51Z (GMT) No. of bitstreams: 2 MoranJohnL1971.pdf: 5910807 bytes, checksum: d8a58e4764d2c5bab8c86a168f19f070 (MD5) Moran1.pdf: 7208563 bytes, checksum: 18f8177f6351af6b098564566d8577db (MD5)
  • description.provenance : Submitted by Lauren Kaysen (lkscannerosu@gmail.com) on 2014-03-03T22:27:34Z No. of bitstreams: 2 MoranJohnL1971.pdf: 5910807 bytes, checksum: d8a58e4764d2c5bab8c86a168f19f070 (MD5) Moran1.pdf: 7208563 bytes, checksum: 18f8177f6351af6b098564566d8577db (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2014-03-04T15:22:01Z (GMT) No. of bitstreams: 2 MoranJohnL1971.pdf: 5910807 bytes, checksum: d8a58e4764d2c5bab8c86a168f19f070 (MD5) Moran1.pdf: 7208563 bytes, checksum: 18f8177f6351af6b098564566d8577db (MD5)

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file details MoranMap.jpg 2017-08-07 Öffentlich Herunterladen