 | | Book | | Small but unique have found in been a number of the mines. Large crystals masses of wire and leaf gold were...in many in 1870. In combination with of the mines in Boulder County. SILVER. occurs crystallized...native in small quantities in nearly all silver mines In scales, arborescent and filiform, the threads...knotting a mass two inches in diameter, in the mines of Georgetown. Occasionally found in nuggets from...sparingly of Boulder County. in the tellurium-bearing mines Minerals of Colorado. 6 NATIVE COPPER. occurs |  | | Book | | chain open-pil peak pil quarry river stream valley vein galerie piir1iu pe~tcrii ,nail deal lac mic jos...s iderite strati form bodie , a nd Ni.Co-arcnide vein have formed in re lationship to dolerites in the...Kriiutner, 1996]. The Pa laeozoic gabbro-peridotit ic massif o f the So uth Ba na t region hosts pod iform chromite...::11nygdult: a nd Ii ure fi ll ings. The alka line massif of Ditriiu likely re prese nt the produc t o f...composite. appare ntl y ring-like truc ture of the massif. resulted fro m e mplaceme nt o f o lde r basic-ultrabasic |  | | Journal (issue) | | 57 East Indies 58 England Europe 61 Finland France 84 French Guiana 89 84 85 Georgia 89 Germany...Civil, Paris. Annales de 1'Industrie nationale tr Mines New York Annals Acad. Sci of New York Academy...Ann. Physik. et etrangere, Paris. Annales des Mines, Paris. Annals of Philosophy, London. Annalen der... Ann. Rep. California State Min Ann. Rep. Dep. Mines, Wales. Ann. Rep. Dir. U. New S. Geol. South...Mineralogist, Sacramento. Annual Report Department of Mines, New South Wales, Sydney. Annual Report of the Director |  | | Report (issue) | | are maintained as part of a statewide database on mines, prospects and mineral occurrences throughout Alaska...(Bundtzen and Laird, 1983). Deposit model: Polymetallic vein (Cox and Singer, 1986; model 22c). Page 2 Alaska...Bundtzen and Laird (1983). Deposit model: Polymetallic vein (Cox and Singer, 1986; model 22c). Page 10 Alaska...volcanic-plutonic complex. Deposit model: Polymetallic vein (Cox and Singer, 1986; model 22c). Deposit model...Age of mineralization: Deposit model: Polymetallic vein (Cox and Singer, 1986; model 22c). Deposit model |  | | Book (edition) | | MINERAL ASSEMBLAGES OCCURRING IN IGNEOUS ROCKS AND VEIN DEPOSITS 9.1 9.2 9.3 9.4 9.5 9.6 9.7 209 Introduction...Assemblages in Vein Deposits / 232 The Silver-Bismuth-Cobalt-Nickel-Arsenic (-Uranium) Vein Ores / 235 ...CONTENTS 9.8 Tin-Tungsten-Bismuth Assemblages in Vein Deposits / 241 9.9 Gold Vein and Related Mineralization...Arsenic-, Antimony-, or Mercury-Bearing Base-Metal Vein Deposits / 247 References / 253 Bibliography / 255...rouge may result in the loss of native silver or bismuth). Che mical etchants were widely used in min era |  | De Vivo, B., Ippolito, F., Capaldi, G., Simpson, P. R. - Eds. (1984) Uranium geochemistry, mineralogy, geology, exploration and resources. Springer Netherlands. doi:10.1007/978-94-009-6060-2 | Book | | 1921 exploitation was begun. The wealth of these mines was such as to put into difficulty all the others...Romberger Department of Geology, Colorado School of Mines, Golden Colorado, U.S.A. Many geologists accept...Uranium. In The geochemistry oj the Lovozero alkaline massif, volume 2 (Canberra: Australian National University...Russian Platform Granites of U.S.A .. U.S.S.R. and France Alkaline intrusives of U.S.S.R. 2 ppm 2-4 ppm...of uranium vein deposits was subdivided into five types, based mainly on mineralogy. Vein-like deposits |  | | Report (Issue volume) | | 2 – Geology, mines and mineral occurrences of the Rivertree silver field Map 3 - Mines and mineral occurrences...4 - Geology, mines and mineral occurrences of the Boorook area. Map 5 - Geology, mines and mineral occurrences...of the Wilsons Downfall area. Map 6 - Geology, mines and mineral occurrences of the Mount Carrington...Plutonic Suite and are associated with molybdenum-bismuth-tungsten veins, pipes, greisens and stockworks...unpublished Aberfoyle Exploration and Mt Carrington Mines data. ......................................... |  | | Journal (issue) | | Glasgow, Hull, Liverpool., Newcastle, Belgium, France, Canada, Germany, Holland, Italy, Portugal, Spain...t11eGeology of Trinidad Northern Rhodesia's New Co,pper Mines • Development of Mineral Resources, Federation...resting on basement complex rocks at the foot of the Grand Atlas. Heavy falls of rain produce sudden floods...horizon has been recorded from Mexico, North Africa, France, Portugal and Egypt. The fauna recorded from the...cephalopodes cretaces des massifs cotiers Syriens.'' Haut Commiss. Repub. fran~. Syrie Liban, Vol. 3, Etudes |  | | Report (issue) | | w c NEW SOUTH WALFS. 11 (DEPAiiTMENf' OF MINES.: ^ GEOLOGICAL SURVEY. /// E. F. PiTTMAN, A.R...PRINTER, o NEW SOUTH WALb,S. ^ DEPARXMfnSTT OF MINES.) 'i/ E. F. GEOLOGICAL SURVEY. PiTTMAN, A.R.S...i CJeologlcal Survey Branch, Department of Mines, Sydney, .'^rd March, 1911. Sir, have the honor...Districts 272 (A) Coastal Districts 280 GundleTin Mines {j) New England— Smaller 286 (i) ik) Other ...2. ,, 3. „ 4. PACK. — Diagrammatic a pipe-vein in the Groefontein transverse section of Roodepoort |  | | Report (issue) | | ________________ Experimental satellite-image map of the Grand Canyon _____________________________ Computer resources...Development USBM _______________U.S. Bureau of Mines USDA _________U.S. Department of Agriculture USGS...Summer area. This area contains some of the silver mines of the Teller City boom of the 1850's. The inferred...by abundant In addition, potassium feldspar and limonite after pyrite rather closely set phenocrysts of...and description of 650 metallic and nonmetallic mines, quarries, pits, prospects, and mineral occurrences |  | | Report (volume) | | ________________ Experimental satellite-image map of the Grand Canyon _____________________________ Computer resources...Development USBM _______________U.S. Bureau of Mines USDA _________U.S. Department of Agriculture USGS...Summer area. This area contains some of the silver mines of the Teller City boom of the 1850's. The inferred...by abundant In addition, potassium feldspar and limonite after pyrite rather closely set phenocrysts of...and description of 650 metallic and nonmetallic mines, quarries, pits, prospects, and mineral occurrences |
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