Proceedings of the American Philosophical Society (1906)

Paperback | August 15, 2009

byAmerican Philosophical Society

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Book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1906. Excerpt: ... V. Lawsonite glaucophane gneiss, three miles southwest of Redwood; W. O. Clark, analyst. Abundant glaucophane and lawsonite, with a little garnet and white mica. VI. Albite crossite gneiss, North Berkeley; H. Rosenbusch, Sitsungsberichte d. k. Preuss. Akad., 1898, p. 712; calculated from the specific gravity of the rock, and the known composition of the two minerals that compose it, albite 75 per cent., and crossite 25 per cent. VII. Slightly altered quartz diorite, Oak Ridge, five miles east of Calaveras Valley; W. O. Clark, analyst. Primary quartz, oligoclase, titaniferous hornblende, secondary crossite, lawsonite and titanite. VIII. Soda syenite porphyry, Sierra Nevada, No. 1521 SN; Stokes, analyst", H. W. Turner, 17th An. Rept., Pt. I. (1806), p. 727. IX. Mica glaucophane schist, Cafe Skarbeli, Syra, Grecian Archipelago; H. S. Washington, analyst, Amcr. Jour. Sci., IV. Ser., Vol. XI. (1901), p. 39. This analysis shows a mica glaucophane schist of the composition of a diorite, and is introduced here for comparison with those from California. X. Pseudodiabase, Sulphur Bank. California, No. 36, Sulphur Bank; Melville, analyst; G. F. Becker, Mon. XIII., U. S. Geol. Survey, p. 99. The rock analysed showed no glaucophane, but Becker mentions that mineral as being not uncommon in similar pseudodiabases, which were thought to be altered sedimentary rocks. Table Of Analyses. V XI. Pseudodiorite, Knoxville, California No. 56, Knoxville; Melville, analyst; G. F. Becker, Mon. XIII., U. S. Geol. Survey, p. 101. This rock is a greenstone, composed almost entirely of actinolite, white mica, with rutile, zircon, and titanite. Becker does not mention glaucophane as occurring in this particular rock. XII. Glaucophane schist, Sulphur Bank, No. 98 Sulphur Bank; Melville, analyst; G. F. Becker, Mon....

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Book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1906. Excerpt: ... V. Lawsonite glaucophane gneiss, three miles southwest of Redwood; W. O. Clark, analyst. Abundant glaucophane and lawsonite, with a little garnet and whit...

Format:PaperbackDimensions:62 pages, 9 × 6 × 0.15 inPublished:August 15, 2009Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217536557

ISBN - 13:9780217536554

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