Showing 1 - 20 results of 105 for search '', query time: 0.29s Refine Results
  1. 1
    Petrography and radiometric ages for selected rocks from the Livengood quadrangle, Alaska /
    Government Document Microform Book
  2. 2
    Geology of Van Horn Mountains, Trans-Pecos Texas /
    by Twiss, Page C., 1929-
    Published 1959
    Thesis Microform Book
  3. 3
    A geological classification of rocks : with descriptive synopses of the species and varieties : comprising the elements of practical geology /
    by Macculloch, John, 1773-1835
    Published 1821
    Microform Book
  4. 4
    Essay on the formation of rocks, or, An inquiry into the probable origin of their present form and structure /
    by Maclure, William, 1763-1840
    Published 1818
    Microform Book
  5. 5
    Opaque oxide phases of the De Beers Pipe kimberlite (Kimberley, South Africa) and their petrologic significance /
    by Pasteris, Jill Dill
    Published 1980
    Thesis Microform Book
  6. 6
    Depositional environment and structural implications of the Hammamat formation, Egypt /
    by Grothaus, Brian Thomas
    Published 1979
    Thesis Microform Book
  7. 7
    Geochemistry, petrology and tectonic origin of Egyptian younger granites /
    by Greenberg, Jeffrey K.
    Published 1978
    Thesis Microform Book
  8. 8
    Generalized geologic map of the basement rocks of the southern Sierra Nevada, California /
    Government Document Microform Book
  9. 9
    Granitic rocks modal data from the southern Sierra Nevada, California /
    Government Document Microform Book
  10. 10
    Petrology, geochemistry and K-Ar ages of volcanic-arc rocks dredged from the continental margin in the Bering Sea /
    Published 1987
    Government Document Microform Book
  11. 11
    Analytical results and sample locality map of rock samples from the Cowboy Spring Wilderness Study Area, Hidalgo County, New Mexico /
    by Brooks, William E.
    Published 1988
    Government Document Microform Book
  12. 12
    Thickness of upper Cretaceous Lewis Shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  13. 13
    Thickness of Teckla sandstone member of the upper Cretaceous Lewis shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  14. 14
    Thickness of upper Cretaceous Mesaverde Formation, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  15. 15
    Thickness of Parkman sandstone member of the upper Cretaceous Mesaverde Formation and the Redbird Silty member of the Pierre shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  16. 16
    Thickness of upper Cretaceous rocks from the base of the Ardmore bentonite to the base of the Clay Spur bentonite (top of the lower Cretaceous rocks), Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  17. 17
    Thickness of Sussex sandstone member of the upper Cretaceous Steele shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  18. 18
    Thickness of Shannon sandstone member of the upper Cretaceous Steele shale, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  19. 19
    Thickness of Teapot sandstone member of the upper Cretaceous Mesaverde Formation, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
  20. 20
    Thickness of the upper Cretaceous Niobrara Formation, Powder River Basin, Wyoming and Montana /
    Published 1987
    Government Document Microform Map
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