Dangos 1 - 20 canlyniadau o 117 ar gyfer chwilio '', amser ymholiad: 0.09e Mireinio'r Canlyniadau
  1. 1
    Correlation of basal Permian and older rocks in southwestern Colorado, northwestern New Mexico, northeastern Arizona, and southeastern Utah /

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    Dogfen y Llywodraeth Map
  2. 2
    Permian and Pennsylvanian rocks of southeastern Colorado and adjacent areas /

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    Dogfen y Llywodraeth Map
  3. 3
    Stratigraphic sections of the Phosphoria Formation in Utah, 1947-48 /
    gan Smith, L. E
    Cyhoeddwyd 1952

    Dogfen y Llywodraeth Llyfr
  4. 4
    Correlation of Permian and Pennsylvanian rocks from western Kansas to the Front Range of Colorado /

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    Dogfen y Llywodraeth Map
  5. 5
    Paleomagnetic and p40sAr/p39sAr results from the Grant intrusive breccia and comparison to the Permian Downeys Bluff sill--evidence for Permian igneous activity at Hicks Dome, southern Illinois Basin /
    gan Reynolds, Richard L
    Cyhoeddwyd 1997

    Dogfen y Llywodraeth Llyfr
  6. 6
    Paleomagnetic and ⁴⁰Ar/³⁹Ar results from the Grant intrusive breccia and comparison to the Permian Downeys Bluff sill--evidence for Permian igneous activity at Hicks Dome, southern Illinois Basin /
    gan Reynolds, Richard L
    Cyhoeddwyd 1997

    Dogfen y Llywodraeth Llyfr
  7. 7
    Evidence for hot Mississippi Valley-type brines in the Reelfoot rift complex, south-central United States, in Late Pennsylvanian-Early Permian /
    Cyhoeddwyd 1997

    Dogfen y Llywodraeth Llyfr
  8. 8
    Whole-rock and clay mineralogies of deeply-buried rocks, Permian upper part of the Minnelusa Formation, Powder River Basin, Wyoming
    gan Pollastro, Richard M
    Cyhoeddwyd 1990

    Dogfen y Llywodraeth Llyfr
  9. 9
    Whole-rock and clay mineralogies of deeply-buried rocks, Permian upper part of the Minnelusa Formation, Powder River Basin, Wyoming /
    gan Pollastro, Richard M
    Cyhoeddwyd 1990

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Dogfen y Llywodraeth Llyfr
  10. 10
    Field trip guide to the southern east Humboldt Range and northern Currie Hills, northeast Nevada : age and style of attenuation faults in Permian and Triassic rocks /
    gan Thorman, Charles H
    Cyhoeddwyd 1994

    This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.
    Dogfen y Llywodraeth Llyfr
  11. 11
    Paleozoic-Mesozoic boundary in the Berry Creek quadrangle, northwestern Sierra Nevada, California /
    gan Hietanen, Anna Martta, 1909-
    Cyhoeddwyd 1977

    Dogfen y Llywodraeth Llyfr
  12. 12
    Field trip guide to the southern east Humboldt Range and northern Currie Hills, northeast Nevada age and style of attenuation faults in Permian and Triassic rocks /
    gan Thorman, Charles H
    Cyhoeddwyd 1994

    Dogfen y Llywodraeth Llyfr
  13. 13
    A provisional radiolaria biostratigraphy, late Devonian through late Permian
    gan Holdsworth, Brian K
    Cyhoeddwyd 1980

    Dogfen y Llywodraeth Llyfr
  14. 14
    Lithology and stratigraphy of a drill core from the vicinity of the Hack Canyon mines, Mohave County, northern Arizona

    Dogfen y Llywodraeth Llyfr
  15. 15
    Field guide and road log Pennsylvanian and Permian depositional systems and cycles in the Eagle Basin, northwestern Colorado /
    gan Schenk, Christopher J
    Cyhoeddwyd 1987

    Dogfen y Llywodraeth Llyfr
  16. 16
    Pennsylvanian and Permian stratigraphy of the northern Argus Range and Darwin Canyon area, California /
    gan Stone, Paul, 1947-
    Cyhoeddwyd 1987

    Dogfen y Llywodraeth Llyfr
  17. 17
    Structure at the top of the Permian Minnelusa Formation, Powder River Basin, Wyoming and Montana
    Cyhoeddwyd 1987

    Dogfen y Llywodraeth Map
  18. 18
    Thickness of rocks from the surface to the top of the Permian Minnelusa formation, Powder River basin, Wyoming and Montana
    Cyhoeddwyd 1987

    Dogfen y Llywodraeth Map
  19. 19
    Revisions of Middle Jurassic nomenclature in the southeastern San Juan basin, New Mexico /
    gan Condon, Steven M.
    Cyhoeddwyd 1989

    Dogfen y Llywodraeth Llyfr
  20. 20
    Shorter contributions to paleontology and stratigraphy /
    Cyhoeddwyd 1990

    Dogfen y Llywodraeth Llyfr
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