 | | Journal (article/letter/editorial) | | friedelite and schallerite have been identified as rock-forming minerals together with caryopilite, in several...pyrosmalite series, investigated in the present study are rock-forming and, in some cases, veinminerals. These...situation Metamorphic grade Stratigraphic position Host rock References K6dnitztal (Austria) Mn 20 Northernmost...; Haage 1964 Germolis Prospect Amador C., California, USA, Ge Paleozoic marine sediments of the Calaveras-Frm...intercalations Chopin 1978 Hale Creek Mine Trinity C. California, USA HC Mesozoic chert-greenstone |  | | Book | | radiating structure. Opposite: gold on quartz from California. CONTENTS INTRODUCTION 7 THE MINERAL KINGDOM...The spellings of names follow CIM; thus pyrite, baryte and sylvine replace the older pyrites, barytes...states of Guanajuato and Chihuahua, Mexico. In the USA silver occurs at Keweenaw, Michigan, in association...Corocoro, Bolivia, and at Cananea, Mexico. In the USA copper is found in abundance in the Keweenaw area...area of north Michigan; at the Copper Queen mine, Bisbee, Arizona and at Georgetown, New Mexico. Treatment |  | | Book | | synthetically are not minerals. A diamond found in a rock is thus a mineral, whereas a dia- it is made... Gneiss from Zackenberg, Greenland. Gneiss is a rock consisting of feldspars, quartz, and dark minerals...the minerals are arranged in layers, giving the rock a foliated appearance. Gneiss is formed by alteration...Jutland, Denmark. A rhomb porphyry is an igneous rock with rhombic grains of feldspar in a finegrained...magma chamber before the magma, the melted mass of rock, was extruded to a higher level in the earth’s crust |  | | Book | | In the shafts and tunnels of a sixteenth-century mine INTRODUCTION arabic^groffcvinditaris.f} norrafludd9...organized into crystals. Glassy rocks (remember that a rock is a mixture of minerals) are not uncommon as rapidly...although comparatively common on the moon. There is a range of minerals whose structures fall between the regimentation...essentially spherical in shape and occur in a large range of sizes. Nature resolves this architectural problem...are revealed in different colours. D unite is a rock consisting entirely of members of the olivine series | | | Book | | organized into crystals. Glassy rocks (remember that a rock is a mixture of minerals) are not uncommon products...comparatively common on the moon, There is a range of minerals whose structures fall between the regimentation...essentially spherical in shape and occur in a large range of it, the ‘large’ ions size with those surrounding...are revealed in different colours. Dunite is a rock consisting entirely of membersiof the olivine...means that, when you contemplate a mighty mountain range, you are essen- tially looking at a vast heap of |  | | Journal (volume) | | STATE OF CALIFORNIA DEPARTMENT OF NATURAL RESOURCES DIVISION OF MINES FERRY BUILDING, SAN FRANCISCO...BRADLEY State Mineralogist JANUARY 1943 No. CALIFORNIA JOURNAL OF MINES AND GEOLOGY QUARTERLY CHAPTER...FERRY BUILDING, SAN FRANCISCO CALIFORNIA 21200 LIBRARY UNIVERSITY OF CALIFORNIA DAVIS 1 DIVISION OF MINES...Mines and mineral resources of 7 11 Santa Cruz County, by Henry G. Hubbard 11 Discoveries in the strategic...O'Brien 77 Current mining activity in Plumas County, by C. A. Logan 85 GEOLOGIC BRANCH 88 Current |  | | Book (volume) | | minerals contain series of absorption bands in the range from 1,350 to 1,550 cm1 (Fig. 1.1). A cancrinite-group...largely to empirical approaches. The wavenumber range approximately between 400 and 1,700 cm1 is called... in a pronounced doublet 921 + 954 cm1 in the range of Si–O-stretching vibrations (Fig. 1.5). The splitting...consideration of the whole spectral curve within a certain range of frequencies (Dubovitskiy and Chukanov 2004; Chukanov...band of (Ti,Nb)–O-stretching vibrations (in the range 660–700 cm1). This band is single and its position |  | | Book (edition) | | Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin. (peninsula)...oil shales of tl~e Acanthite Green River Fonnation in Uintah County. Utah. and m (2.B. acanthite group) |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...STATES and CANADA BRITISH COLUMBIA Ice River complex. The Ice River complex is an intrusive body of alkaline...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted |  | | Book | | cm) from the Himalaya .\1i11e,San Diego Counry/California irith a coating of cookeite. before treatment...Russia (crystal 5.2 x 4.4 x 3.4 cm in phlogopite rock matrix). Specimen of .'vf.C.P.ltalyl.Vineralogical...material such as soil and plant remains, or excess rock matrix. Borderline cases include clay and powdery...Literature directory). Pioneering work comes from the USA, such as the brochure by Richard M. PEARL,Cleaning...Valley, Switzerland or the borate mines of Boron, California, localities where one knows which minerals can |  | | Book | | . . . . . . . . . . . . 1.5 Hydroxyl Groups in Rock-Forming Phyllosilicates . . . . . 1.6 Hydroxyl Groups...minerals when only small monomineral grains included in rock are available. In such cases IR spectra are obtained...*720 cm−1 and several very weak absorptions in the range from 800 to 1300 cm−1. In order to obtain a transmittance-mode...is placed between IR-transparent plates. In the range from 1360 to 4000 cm−1 Fluorolube (i.e. fluorinated...hydrocarbon) can be used instead of Nujol because in this range Fluprolube is non-absorbing, except a weak band |
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Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA