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Showing 1 - 19 results of 19 for search '"Pre-Cambrian"', query time: 0.88s Refine Results
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    by Daniels, John L.
    Published in Geological Magazine (1956)
    ...Abstract The pre-Cambrian rocks of the Southern portion of Southampton Island are composed of acid...
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    ... is given with particular emphasis on the pre-Cambrian (Beltian) succession. A series of pre-Cambrian sills...
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    Thesis
  8. 8
    ...Pre-Cambrian atmospheric and oceanic redox evolutions are expressed in the inventory of redox...
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  9. 9
    by Wilson, C. B.
    Published in Geological Magazine (1961)
    .... The succession is the late Pre-Cambrian part of the Hecla Hoek Geosyncline, lying below the Tillite horizons...
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  10. 10
    by Pringle, I. R.
    Published in Geological Magazine (1972)
    ...Summary Rb–Sr whole-rock isochron ages from shale horizons in the Late Pre-Cambrian tillite...
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  11. 11
    by Klimov,L. V.
    Published 1968
    ... transformations over large areas, not only during the pre-Cambrian, but also during the early Paleozoic era...
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    Text
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    ... of Pre-Cambrian age. It is characterized by a relatively large volume of silicate facies, while...
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    by KURTZ, DENNIS DARL
    Published 1980
    ... in this thesis to interpret Early Proterozoic (middle Pre-cambrian) glaciogenic rocks. Possible tillites were...
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    Thesis
  14. 14
    ...), with structural modfication throughout the Phanerozoic by repeated PreCambrian basement tectonism. The cratonic...
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  15. 15
    ... Mountain region and in eastern New York / by T. Nelson Dale. Principles of pre-cambrian North American...
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    Text
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    by Hobson, George D.
    Published in ARCTIC (1991)
    .... . He joined the Geological Survey of Canada in 1943; his fieldwork being entirely in the PreCambrian...
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    by Sharpe, Adrian Patterson
    Published 1991
    .... This they believe to be approximately the boundary of the American craton dating back to Pre-Cambrian time...
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    Master Thesis
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