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Showing 521 - 540 results of 15,378 for search 'Black Rock', query time: 0.54s Refine Results
  1. 521
    ... and Tierra del Fuego (Chile). It is characterized by the presence of black pseudothecia, pseudoparaphyses...
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  2. 522
    ... of ore systems in the eastern Yukon-Tanana Upland region, Alaska. Whole rock chemistry was conducted...
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    Dataset
  3. 523
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  5. 525
    by Dymek, Robert F.
    Published 1977
    ... of the Godthåb District of West Greenland. Rocks with a wide variety of bulk compositions occur that all preserve...
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    Thesis
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  12. 532
    ...The present study provides the first detailed investigation of black agates occurring in volcanic...
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  13. 533
  14. 534
    ...), in the southern Black Sea, based on a sample of 235 specimens collected from rocky shores 23 km west of the city...
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  15. 535
    ..., 1793), in the southern Black Sea, based on a sample of 235 specimens collected from rocky shores 23 km...
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  16. 536
    ... that lead was introduced to the carbonate rocks and black shales during two separate events. delta(34...
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  17. 537
    ... rock formations on Marion Island, consisting of older grey lava, black lava and red scoriae cones, were...
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  18. 538
    ..., the relatively young igneous rocks on Marion Island exhibit no visible alteration from the original rocks, and we...
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