 | Geological Survey (U.S.) - 1898 - 522 σελίδες
...following two analyses represent the chemical composition of the coarse and porphyritic theralite. No. 1, coarse theralite from Gordon's Butte, was made...of specimen No. 75, and No. 3 of specimen No. 76. Analyse» of Iheralite from Crazy Mountain», Montana. a Contaras some OaO. Ь Undetermined. No. 77.... | |
 | Geological Survey (U.S.) - 1898 - 964 σελίδες
...following two analyses represent the chemical composition of the coarse and porphyritic theralite. No. 1. coarse theralite from Gordon's Butte, was made...2 is of specimen No. 75, and No. 3 of specimen No. 70. Analyses of theralite from Crazy Mountain», Montana. a Contains some CaO. b Undetermined. No.... | |
 | Maryland Geological Survey - 1902 - 396 σελίδες
...on Octoraro Creek. III. — Hornblende-gabbro. Stone Run, % mile northwest of Rising Sun. Analyses made by WF Hillebrand in the laboratory of the United States Geological Survey. Amer. Geol., vol. xxvill, p. 146. RECALCULATION OF ANALYSES! I. Quartz 21.56 Orthoclase t!.... | |
 | Geological Survey (U.S.) - 1904 - 284 σελίδες
...CHEMICAL CHARACTER. Two analyses are given below. No. I was taken from the paper by FC Smith." No. II was made by WF Hillebrand in the laboratory of the United States Geological Survey. a Trans. Am. Inst. Miu. Eng., vol. 27, p. 418. fcTbe writer has taken the liberty of calculating... | |
 | Geological Society of America - 1905 - 880 σελίδες
...laboratory of Johns Hopkins University. II. Hornblende-biotite-granite or quartz-monzonite. Analysis made "by WF Hillebrand in the laboratory of the United States Geological Survey. GP Grimsley : Journal of Cincinnati Society of Natural History, volume xvii, 1894, pages 88-89.... | |
 | 1908 - 924 σελίδες
...apatite, pyrrhotite, gypsum, and magnetite in them. The subjoined analyses of roofing slates were all made by WF Hillebrand in the laboratory of the United States Geological Survey : c Analyses of roofing slate*. A. Sea-green slate, Pawlet, Vermont. B. Purple slate Castleton,... | |
 | Geological Survey (U.S.) - 1908 - 734 σελίδες
...apatite, pyrrhotite, gypsum, and magnetite in them. The subjoined analyses of roofing slates were all made by WF Hillebrand in the laboratory of the United States Geological Survey : r Analyses of roofing slalcx. A. Sea-green slate, Tawlet, Vermont. B. I'urple slate Castleton,... | |
 | Frank Wigglesworth Clarke - 1908 - 732 σελίδες
...apatite, pyrrhotite, gypsum, and magnetite in them. The subjoined analyses of roofing slates were all made by WF Hillebrand in the laboratory of the United States Geological Survey : • .\nalyxes of roofing xlutrx. A. Sea-green slate, Pawlet, Vermont. B. I'urple slate Castleton,... | |
 | 1908 - 876 σελίδες
...apatite, pyrrhotite, gypsum, and magnetite in them. The subjoined analyses of roofing slates were all made by WF Hillebrand in the laboratory of the United States Geological Survey : c of roofing «/«/<•.«. A. Sea-green slate, Pawlet, Vermont. B. Purple slate Castleton,... | |
 | Frank Lee Hess, Waldemar Theodore Schaller - 1914 - 810 σελίδες
...the mottling is produced by the irregular distribution of the hematite. The following analyses were made by WF Hillebrand in the laboratory of the United States Geological Survey: Analyses of Vermont "purple" and "variegated" roofing slates. 0 (=D. XIV, 1895, 2(SOa), purple... | |
| |
No. 1. coarse theralite from Gordon's Butte, was made by WF Hillebrand in the laboratory of the United States Geological Survey, at Washington, and Nos. 2 and 3 by EA Schneider, in the same laboratory. Analysis No. 2 is of specimen No. 75, and No. 3 of... 