Download or read book Contributions from the Geological Department of Columbia University written by Ralph Carpenter Blanchard and published by . This book was released on 1913 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Contributions from the Geological Department of Columbia University written by and published by . This book was released on 1907 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Contributions from the Geological Department of Columbia University written by Columbia University. Dept. of Geology and published by . This book was released on 1903 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Contributions from the Geological Department of Columbia University written by and published by . This book was released on 1912 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Contributions from the Geological Department of Columbia University Volume 28 written by Columbia University. Geology and published by Rarebooksclub.com. This book was released on 2013-09 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 edition. Excerpt: ... decreased solubility as determined by the slope of the solubilitysaturation curve, line AL in Figure 4. The fact that the "secondary" blebs of potash feldspar in the original member, rich in soda, are not seen, even under high magnifications (950 diameters). testifies to the nearly vertical character of the corresponding curve, BM in Figure 4. Extinction angles, crushed fragments: Popular: Microcline microperthite Technical: Microcline hypoperthite. "Orthoclase," near Unionville, Chester County, Pennsylvania. (Specimen 996.) Microscopic examination, thin section: Typical microcline microperthite with inclusions of diopside, quartz, and untwinned feldspar thought to be anorthoclase. A. Microcline microperthite (hypoperthitc), calle(l"Amazonstone," Mineral Hill, Pennsylvania. Polarized light. X30. Specimen 964. B. Microcline microperthite (hypoperthite), called "Amazonstone," near Florissant, California. Polarized light. X30. Specimen 971. Extinction angles, crushed fragments: Potash phase........ (010)........... 7.o (001)........... 17.0 Soda phase.......... (010)........... 13.0 (001)........... 1.o Inferred Composition Potash Phase Soda Phase K-feldspar........... 79.0 2.0 Na-feldspar.......... 19.0 89.0. Ca-feldspar.......... 2.0 9.0 QUANTITATIVE MICROSCOPIC ANALYSIS Phase Percentage K-feldspar Na-feldspar Ca-feldspar Silim Sodamicrocline.... 71.5 79.0 19 2.0 0. Oligoclase......... 24. 1 2.0 89 9.0 0. Quartz.................................................. 100 Sodamicrocline............... 56.5 13 1.4........ Oligoclase.....................5 21 2. 2........ Quartz......................................._........... 4.4 Total.................... 57.0 35.0 3.6 4.4 Classification: 13....
Download or read book Geology of the Cortlandt Series and Its Emery Deposits written by Gaillard Sherburne Rogers and published by . This book was released on 1911 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Contribution to the Geology of the Northern Black Hills written by John Duer Irving and published by . This book was released on 1899 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Certain Natural Associations of Gold written by Francis Church Lincoln and published by . This book was released on 1911 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Contributions to Economic Geology short Papers and Preliminary Reports 1931 32 written by Gerald Francis Loughlin and published by . This book was released on 1933 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geology of the Poughkeepsie Quadrangle New York written by Clarence Everett Gordon and published by . This book was released on 1911 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Geology of the Magnetites Near Port Henry N Y and Especially Those of Mineville written by James Furman Kemp and published by . This book was released on 1897 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Petrology and Economic Geology of the Skykomish Basin Washington written by Warren S. Smith and published by . This book was released on 1915* with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book University Bibliography written by Columbia University. Libraries and published by . This book was released on 1923 with total page 1174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Structural and Stratigraphic Features of the Basal Gneisses of the Highlands written by Charles Peter Berkey and published by . This book was released on 1907 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geology of the Paradox Lake Quadrangle New York written by Ida Helen Ogilvie and published by . This book was released on 1905 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Configuration of the Rock Floor of Greater New York written by William Herbert Hobbs and published by . This book was released on 1905 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
