Report of Progress, Part 1

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Board of Commissioners, 1878 - Coal
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Page 244 - America, and of the pietri verdi of the Alps. To this horizon are also to be referred the similar crystalline rocks of the Coast range of California, as seen near San Francisco and San Jose. The auriferous veins which, in the Rocky Mountains, intersect the Laurentian gneisses, are found in the Sierras alike in the Huronian schists and in the eruptive granites, which probably penetrate the Huronian series.
Page 177 - Hocks, pp. 170-172, and p. 177. "fibres and granules of carbonaceous matter which do not conform to the crystalline structure, and present forms quite similar to those which, in more modern limestones, result from the decomposition of algae. Though retaining mere traces of organic structure, no doubt would be entertained as to their vegetable origin if they were found in fossiliferous limestones.
Page iv - JF CARLL — Geologist in charge of the Survey of the Oil Regions. HM CHANCE — Geologist in charge of the Survey of Clinton and Clarion counties.
Page 87 - The opinion was expressed in 1844, that these coastal rocks, or at least a portion of them, are " the equivalent of a part of the Hudson River group of the New York geologists

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