 | 1896 - 502 pages
...rocks with perfect propriety, yet the investigation of their representatives upon Angel Island, appears to indicate that "radiolarian chert" is, on the whole,...and running from the water's edge up into a little caflon, where it appears to terminate rather abruptly. The change of sedimentation from sandstone to... | |
 | Elmer Fred Davis - 1919 - 832 pages
...rocks with perfect propriety, yet the investigation of their representatives upon Angel Island, appears to indicate that "radiolarian chert" is, on the whole,...their relationship with similar cherts in Europe. The lessons to be drawn from these facts are that the jasper in its essential character is not a metamorphic... | |
 | Elmer Fred Davis - 1915 - 266 pages
...rocks with perfect propriety, yet the investigation of their representatives upon Angel Island, appears to indicate that "radiolarian chert" is, on the whole,...their relationship with similar cherts in Europe. The lessons to be drawn from these facts are that the jasper in its essential character is not a metamorphic... | |
 | University of California, Berkeley. Department of Geology - 1919 - 712 pages
...rocks with perfect propriety, yet the investigation of their representatives upon Angel Island, appears to indicate that "radiolarian chert" is, on the whole,...their relationship with similar cherts in Europe. The lessons to be drawn from these facts are that the jasper in its essential character is not a metamorphic... | |
 | University of California (1868-1952) - 1918 - 702 pages
...rocks with perfect propriety, yet the investigation of their representatives upon Angel Island, appears to indicate that "radiolarian chert" is, on the whole,...their relationship with similar cherts in Europe. The lessons to be drawn from these facts are that the jasper in its essential character is not a metamorphic... | |
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Island, appears to indicate that "radiolarian chert" is, on the whole, a better designation for them, inasmuch as it casts some light upon their origin, and suggests their relationship with similar cherts in Europe. The lessons to be drawn from these... 