Grade and tonnage data for Climax Mo and Creede epithermal vein deposit models
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Grade and tonnage data for Climax Mo and Creede epithermal vein deposit models

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Published by U.S. Dept. of the Interior, Geological Survey, Books and Open-File Reports Section, distributor] in Reston, Va, [Denver, Colo .
Written in English

Subjects:

  • Sediments (Geology) -- Mathematical models

Book details:

Edition Notes

StatementW. David Menzie, D.A. Singer, and D.L. Mosier, editors
SeriesOpen-file report -- 92-248, U.S. Geological Survey open-file report -- 92-248
ContributionsMenzie, W. D, Singer, D. A, Mosier, Dan L, Geological Survey (U.S.)
The Physical Object
FormatMicroform
Pagination[4] leaves
ID Numbers
Open LibraryOL14442022M
OCLC/WorldCa27667819

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A fascinating group and characteristic of Epithermal gold deposits is that you can virtually see them forming today, simply by visiting hot springs. Like those with Yellowstone in Wyoming or Rotorua in New Zealand. This photo is Pamukkale, low sulfidation hot springs in Turkey, with a beautiful white centre terraces. If you like hot springs, you’ll love epithermal. Let’s start where we. Mineral Deposit Models Dennis P. Cox and Donald A. Singer, Editors Grade and tonnage model of Climax Mo deposits, by Donald A. Singer, Ted G. Theodore, and Dan L. Mosier. Grade and tonnage model of Creede epithermal veins, by Dan L. Mosier, Takeo Sato, and Donald A. Singer. Ore deposits: Classification vs Modeling Each ore deposit is unique like a person’s finger print This uniqueness arises out of: ¾fundamental differences in processes and environments ¾local, site-specific geologic variations And produces an extremely large variation in characteristics ¾If we group the deposits according to their characteristics, we get a. DESCRIPTIVE MODEL OF CREEDE EPITHERMAL VEINS. MODEL 25b. By Dan L. Mosier, Takeo Sato, Norman J Page, Donald A. Singer, and Byron R. Berger. APPROXIMATE SYNONYM Epithermal gold (quartz-adularia) alkali-chloride-type, polymetallic veins (see fig. ). Figure Cartoon cross section of typical Creede-type epithermal vein deposit.

PDF | On Jan 1, , Donald A. Singer and others published Grade and tonnage models, in Singer, D.A., ed., An analysis of Nevada's metal-bearing mineral resources | Find, read and cite all the.   Epithermal gold deposits are among the richest gold deposits in the world with some bonanza grade ore shoots containing more than g/t gold, or in other words, a kilogram of gold for every tonne of rock mined. Unfortunately, the tonnage of ore in epithermal veins is typically small compared with other types of lower grade gold deposits. Gold mineralisation within epithermal veins Author: David Tilley. PDF | On Jan 1, , Donald A. Singer and others published Mineral deposit grade-tonnage models | Find, read and cite all the research you need on ResearchGate. This CD-ROM publication is a compilation of 29 previously published mineral deposit model and related reports of the USGS. It in part reflects a history of mineral deposit model development within the USGS. Model types presented include descriptive, grade-tonnage, geoenvironmental, and geophysical. These models generally compile the geologic, geochemical, and geophysical characteristics of.

database for epithermal gold deposits. I have used a relatively empirical approach focusing upon the comparison of field characteristics of as many systems as possible, in the on going development of a classification, which could then form the basis of genetic models, Corbett and Leach (). PorgeraFile Size: 1MB. Epithermal deposits may be either high- or low-sulfidation types. Gold mineralisation occurs in veins, stockworks and breccia and as disseminations in the host rock. Grade is highly variable, typically with the very high grades occurring in the veins. Vein widths are often narrow, leading to high-grade, low-tonnage deposits over large lateral. The aim of this project was to define the geological and grade continuity of the Vera South gold deposit, and to use this knowledge to apply geostatistical resource estimation techniques to the deposit. The deposit occurs within the Pajingo Epithermal System (PES), 72km south of Charters Towers in northeast Queensland, Australia (Porter ). Grade and tonnage model of Climax Mo deposits, by Donald A. Singer, Ted G. Theodore, and Dan L. Mosier 17 volcanogenic Mn deposits Cartoon cross-section of a hot-spring Au-Ag deposit Cartoon cross section of a typical Creede type epithermal vein deposit Tonnages of Creede epithermal vein deposits 1t~7 Copper grades of Creede.