 | | Book | | Organ Mountains Jarilla Mountains Santa Rita Area and the Central Mining District, Grant County Burro...Burro Mountains Apache No, 2 District Lake Valley Caballo Mountains Chloride District Hansonburg District...History of the San Luis Valley and the San Juan Mountains Bonanza District 33 33 36 37 46 54 bP) 57 59...Cochetopa Creek Cinnabar Prospect La Garita San Juan Mountains Mines Near Sawpit Mt. Sneffels-Telluride District...Area Iron Springs District (Ophir) Rico Mountains LaPlata Mountains Creede Wagon Wheel Gap Fluorspar and |  | | Book | | Braunstein, Pyrolusite, What Is It in Reality? 630 27.2.3 Early Attempts to Find the Metal in Pyrolusite 631...27.2.4 The Pyrolusite Chemistry Clears Up 631 27.2.5 Finally an Accepted Metal in Pyrolusite 634 27.2.6...of fine cubic crystals from Ditz Mine, Mariposa County, California, U.S.A. M2 Gold Au on mylonitic rock...malachite Cu2(OH)2CO3. From Bogoslovsk in the Ural Mountains, Russia. M6 Chalcopyrite CuFeS2. Yellow tetragonal... M16 Beryl Al2Be3Si6O18 from North Carolina in USA (to the left). Emerald, which is beryl, green colored |  | | Book (edition) | | subeconomic mineral deposits or an undiscovered deposit of unknown economics. Reserves are concentrations... and Costs of Mining The exhaustion of an ore deposit may occur suddenly or slowly as the result of price...allowance may be facing extinction. As an ore deposit is being depleted, a portion of the proceeds should...mining company will go out of business when the deposit is exhausted. In the United States the depletion...amortization of reserves and the expected life of an ore deposit. Scrap Return The recycling of minerals is becoming |  | | Book (edition) | | 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...are as follows: Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin...and Transylvania. Some names of towns or even mountains were either changed or written in another manner...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado |  | | Journal (issue) | | secured from the editor in '.vriting. RANDALL HENDERSON. Editor BESS STACY, Business Manager MARTIN MORAN...archeologist. In this great up-lifted sedimentary deposit are found beds of marine fossils, and along their...DESERT MAGAZINE Paul Wilhelm and Cyria Henderson deposit their stones on one of the largest of the...trace of an artifact. muk) inside the Sierra Mountains of unscrupulous Yankee tradesmen! Eventually I...abundant. These people of the most southeast Mountains to Twentynine Palms Oasis, As I retraced my steps |  | | Report (issue) | | of the huge Kidd Creek zinc-copper-silver ore deposit in Ontario and the disseminated gold deposits of...price. Economic evaluations of a specific mineral deposit have become a complex task for a team of specialists...his assertion of need to develop a new copper deposit, when the technology of extraction may leave not...determine whether or not a particular mineral deposit can be worked economically. THE NEED FOR RESEARCH...Diamond is known in the Soviet Union in the Ural Mountains and at the recently discovered deposits near Yakutiya; |  | | Book | | Herbert Kroll (Münster), Rob Lavisnky (Dallas, USA), Heike Lehner (Heidelberg), Joachim Lorenz (Karlstein... . Fig. 1.1 Group of quartz crystals, Arkansas, USA, approximately original size 1.1 Crystal Morphology...Dana), 23rd ed., Wiley & Sons, Hoboken, New Jersey, USA Klein C, Hurlbut CS Jr (1999) Manual of Mineralogy...dark) and K-feldspar (orthoclase, pink). Idaho, USA. Width of view is c. 10 cm physical properties may...nodule, xenolith in basalt, Bauersberg, Rhön Mountains, Germany In the accessible part of Earth’s crust |  | | Book | | Ore Deposit Geology AND ITS INFLUENCE ON MINERAL EXPLORATION To ourfamilies Veronica, Rachael, Faith...preoccupied husbands andfathersfor three years Ore Deposit Geology AND ITS INFLUENCE ON MINERAL EXPLORATION...Fetter Lalle, London EC4P .:lEE Pllhlisiled ill the USA h)' Chapman (Iml Hall 29 West 35th Street, ,\Iou...Cataloguing in Publication Data Edwards, Richard Ore deposit geology and its influence on mineral exploration...Publication Data Edwards, Richard, 1deposit geology and its influence on mineral exploration |  | | Book | | Environmental Sciences University of Michigan Ann Arbor, MI USA Nicholas T. Arndt, Clément Ganino: Ressources minérales:...Program United States Geological Survey Reston, VA USA Preface to Second Edition The first edition of...chapter, the very definition of an ore and of an ore deposit is grounded in economics (ore is natural material...include discussion of what distinguishes an ore deposit from any other body of rock and to follow such...economy. We explain how the viability of an ore deposit depends directly on the metal price, which in turn |  | | Book (edition) | | PUBLISHING 350 Main Street, Malden, MA 02148-5020, USA 9600 Garsington Road, Oxford OX4 2DQ UK 550 Swanston...The vein association and some other hydrothermal deposit types, 21 3 17 Strata-bound deposits, 233 Part...nature and morphology of the principal types of ore deposit, 26 3 Textures and structures of ore and gangue...2: Examples of the more important types of ore deposit 6 Classification of ore deposits, 99 7 Diamond...happened in the UK in the nineteenth century, in the USA early in this century, in Spain in the early seventies |  | | Report (issue) | | mining. Ground water seeping from the Red Dog deposit stained the creek red. It was this stain that attracted...that led, eventually, to the discovery of the deposit. Contents Preface: Richard W. Hutchinson and...Discovery and Definition ofa Major Zinc-Lead-Silver Deposit ............... etk Fe ae a Ee LT 264 George...Gresham 0.0... 000005 The Sleeper Gold-Silver Deposit: Discovery through Feasibility ..................Lowell Ce ee of the Neves-Corvo Massive Sulfide Deposit, Portugal, and Implications for Future .... Delfim |  | | Book | | deposits through geologic time. Coverage of major deposit types is by no means complete because in some cases...the base metals, beginning with a giant copper deposit at Udokan. Later, the world s first and some of...possible sample bias. The absence of a given type of deposit from (or very low frequency of occurrence within)...have about the same range of age. The Palabora deposit is one of the oldest and most compli¬ cated tninefalogically...conformable to adjacent stratigraphic units. Each deposit is part of a volcanic edifice, interbedded with |  | | Book | | PREFACE xiii CHAPTER 1. INTRODUCTION 1.1. Mineral Deposit versus Orebody 1.2. Styles of Mineralization and...Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended Reading .!CHAPTER...INTRODUCTION 1.1. Mineral Deposit versus Orebody A mineral deposit (or an ore deposit) may be defined as a...properties. The minerals of economic interest in a deposit are referred to as ore minerals and the waste material...to a specific volume of material in a mineral deposit that can be mined and marketed at a reasonable |  | | Report (volume) | | technology. The Casino porphyry copper-gold-molybdenum deposit, in the unglaciated Dawson Range of central Yukon...mineralization at the Kemess South gold-copper deposit in British Columbia, described by Rebagliati et...Copper copper-molybdenum-gold deposit in the Panhandle and the Fort Knox deposit in east-central Alaska has...In southeast Alaska, the Quartz Hill molybdenum deposit contains an estimated 1.6 billion tonnes grading...gold-rich Mt. Milligan deposit revitalized exploration interest in this deposit type, prompting reassessment |  | | Book | | he has integrated experience in tectonics, ore deposit geology and mineral exploration. It is this wealth...4.4.1 Scheelite Dome, an Intrusion-Related Au Deposit, Yukon, Canada . . . . . . . . . . . . . . . .... . . . . . 4.6.2 Vergenoeg Fe Oxides-Fluorite Deposit, South Africa . . 4.6.3 The Palabora Complex (South.... . . . . . . . . . 4.6.4 Bayan Obo REE-Nb-Fe Deposit, Inner Mongolia, China 205 205 207 218 220 227...Epithermal Systems in the Northern Great Basin, USA. 5.3.8 The Oldest Epithermal Systems, Archaean Pilbara |
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