The Creede, Colorado ore-forming system a summary model

Cover of: The Creede, Colorado ore-forming system |

Published by U.S. Dept. of the Interior, Geological Survey, [Books and Open-file Reports Section, distributor] in [Denver, Colo.?] .

Written in English

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Subjects:

  • Ore deposits -- Colorado -- Creede Formation.,
  • Hydrothermal deposits -- Colorado -- Creede Formation.

Edition Notes

Includes bibliographical references (leaves 10-11).

Book details

Statementby Philip M. Bethke.
SeriesOpen-file report -- 88-403., U.S. Geological Survey open-file report -- 88-403.
The Physical Object
FormatMicroform
Pagination1 microfiche
ID Numbers
Open LibraryOL17570498M

Download The Creede, Colorado ore-forming system

Get this from a library. The Creede, Colorado ore-forming system: a summary model. [Philip Martin Bethke]. The book will be dominantly read by students and teachers, but could also be useful for professional geologists wanting a modern overview of a wide range of ore deposits and ore-forming processes.

The Creede, Colorado ore-forming system: a summary model. US Geological Survey Open-File Report 88– Bethke, P. M., Rye, R. O., Stoffregen Author: John Ridley. Philip Martin Bethke has written: 'The Creede, Colorado ore-forming system' -- subject(s): Ore deposits, Hydrothermal deposits Asked in Authors, Poets, and.

Mineral assemblages involving pyrite, hematite, chlorite, quartz, K-feldspar, sericite, sphalerite, galena, and chalcopyrite are interpreted with the aid of data from fluid-inclusion studies to show that the environment most typical of ore deposition for the OH vein had the following characteristics: (1) temperature of degrees C, (2) pressure of about 50 bars (the fluids Cited by: Philip Martin Bethke has written: 'The Creede, Colorado ore-forming system' -- subject(s): Ore deposits, Hydrothermal deposits Asked in Mining What is the common ore in iron.

Detailed fluid inclusion studies on coarse-grained sphalerite from the OH vein, Creede, Colorado, have shown that the abrupt color changes between growth zones correspond to abrupt changes in the nature of the ore fluids.

Within each growth zone, however, the composition of the fluids remained by: A few decades later, Barton et al. recognized that fluid inclusions could trap physically transported solid phases (as opposed to daughter mineral phases that precipitated from the inclusion fluids) in hydrothermal ore-forming solutions at Creede, Colorado, and they attempted to calculate the ore-solution velocity by using the particle size of Cited by: The choice of such a broad definition reflects (a) the wide use of the term ‘epithermal’ in contemporary mineral exploration and (b) the recognition that active geothermal systems in volcanic terranes are the present day equivalent of the epithermal systems responsible for ore formation in the geologic past (e.g.

White, ; Henley and Cited by: Epithermal mineral deposits are the products of large-scale hydrothermal convective systems driven by magmatic heat in the upper 5–10 km of the Earth’s crust. The choice of such a Cited by: Application of fluid inclusions in geological thermometry András Fall Dissertation submitted to the faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Geosciences Committee Robert J.

Bodnar, Chair Robert P. Lowell J. Donald Rimstidt Csaba Szabó. Geology and Geochemistry of Epithermal Systems--Volume 2 of Reviews in Economic Geology--was created to accompany a Society of Economic Geologists (SEG) short course of the same name that was given in October,prior to the Colorado ore-forming system book meetings of the Geological Society of America and Associated Societies in Orlando, Florida.

As was. Durkin J. and Greenfield R. EVALUATION OF THE SEISMIC SYSTEM FOR LOCATING TRAPPED MINERS USBM Rpt. Invest. # wps light wear, vg, 55 pp.

31 figs. Price: $ (stock#USBMRI) Gardner E. UNDERCUT BLOCK CAVING METHOD OF MINING IN WESTERN COPPER MINES USBM IC # light wear, vg, 44 pp., 35 figs. Price: $. Issue 79 - 3 / Mineralogy and Fluid Inclusion Study of the Southern Amethyst Vein System, Creede Mining District, Colorado, $ 10 Issue 79 - The Creede / Gold Deposits and Hydrothermal Eruption Breccias associated with a Maar Volcano at Wau, Papua New Guinea, $ 10 Issue 79 - 5 / 2nd Issue - Canadian Mineral Deposits, $ --The Sleeper gold-silver deposit: Discovery through feasibility / Wood, J.D., and Hamilton, S.K.

--Geology and mineral deposits of the Bondholder district, Colorado, USA / Thompson, T.B. --Comparison of gold-rich and gold-poor quartz-base metal veins: Western San Juan Mountains, Colorado: The Mineral Point area as an example / Bartos, P.J.

Linkages between volcanotectonic settings, ore-fluid compositions, and epithermal precious-metal deposits Chapter (PDF Available) January with 2, Reads How we measure 'reads'.

P.A. Candela, in Treatise on Geochemistry, Epithermal Deposits. Epithermal hydrothermal ore deposits form at shallow levels in volcano-plutonic arcs systems, and fall into two classes: the adularia-sericite type (also called low-sulfidation deposits) and the high-sulfidation state acid-sulfate type.

These are sometimes referred to as quartz-adularia and. Development and stability of multiple groundwater flow systems near cooling plutons The Creede, Colorado ore-forming system: A summary model This book is intended as an introduction to the.

Volcano-related lakes represent some of the most diverse physical and chemical settings on Earth. Despite a broad range of water chemical compositions, they are all connected directly or indirectly to the release of high-temperature gases from magmatic intrusions within their parent volcanic system and are commonly found in craters formed by hydrothermal or volcanic Cited by: 3.

NASA Images Solar System Collection Ames Research Center. Brooklyn Museum. Full text of "The Enrichment of Ore Deposits" See other formats. October CRIS CARMAN 1, IAIN GROVES 2, MURRAY HITZMAN 1 1 Colorado School of Mines, Golden, ColoradoUSA 2 Perilya Limited, Australia THE HYPOGENE WILLEMITE DEPOSITS OF THE AROONA TREND, SOUTH AUSTRALIA SYNOPSIS.

The Aroona trend, South Australia is a six kilometer long narrow zone containing zinc deposits. Nechaev S & Pastukhov V () Links between the Proterozoic anorthosite-rapakivigranite plutons and ore-forming events in the Ukrainian Shield (ores of titanium, uranium, rare metal and gold).

in Abstracts – GEODE field workshop th July on ilmenite deposits in the Rogaland anorthosite province, S. Norway. Tertiary low sulfidation (LS) epithermal deposits in the western USA often show evidence of the former presence of nanoparticle-sized precious-metal and silica phases in the highest grade (bonanza) ores.

Here, nanoparticles are defined to have a size less than ~10−7 m. The ore-mineral textures that formed from aggregation of nanoparticles (or colloids) observed to date in Cited by: Minerals of Colorado () Eckel, E.

Illinois Mine ⓘ Payrock Mine; Minerals of Colorado () Eckel, E. B.; American Mineralogist: Mineral Co. Creede Mining District ⓘ Bulldog Mountain Mine (Bulldog Mountain operation) Minerals of Colorado () E.B.

Eckel ⓘ North Amethyst vein. Formation of a magmatic aqueous phase The composition and characteristics of magmatichydrothermal solutions A note on pegmatites and their significance to granite-related ore-forming processes Fluid–melt trace element partitioning Water content and depth of emplacement of granites – relationships to ore-forming processes Year Book of the State of Colorado Tolbert R.

Ingram. Colorado State Planning Commission. +1plate (1plate missing) Geology and Ore Deposits of the Creede District, Colorado (Copy 2) William H. Emmons, Esper S. Larsen. USGS. Economic Geology The Fractional Precipitation of Some Ore-Forming Compounds at Moderate Temperatures.

Narraguinnep Reservoir in southwestern Colorado is one of several water bodies in Colorado with a mercury (Hg) advisory as Hg in fish tissue exceed the μg/g guideline to protect human health recommended by the State of Colorado.

Concentrations of Hg and methyl-Hg were measured in reservoir bottom sediment and pore water extracted from this. Robinson R W, Norman D I - Mineralogy and fluid inclusion study of the Southern Amethyst Vein System, Creede Mining District, Colorado; in Econ.

Geol. v79 pp ; Rogers D S - Diamond drilling as an aid in ore definition at the Dome mine; in CIM Bull. v75 no. pp Fluid inclusion evidence for boiling at approx. /sup 0/C in the stockwork of the Lasail ophiolitic hydrothermal massive sulfide deposit, Oman.

Abstract The NaCl‐H2O binary system is a major component of solutions coexisting with ores. Observation of saturated solutions of NaCl‐H2O by using the method of hydrothermal diamond anvil cell (HDAC) is a new approach to the study of ore‐forming fluids.

The salinities of NaCl‐H2O solutions in experimental observation are in a range of 32–55%. The observed temperature. Simulations of ore-forming processes were developed, including geochemical simulations that predict the composition of fluids and rocks in equilibrium (Barnes ), thermal simulations that estimate the duration of the convective phase (Barrie ), and geometric simulations that will ultimately allow us to predict the size of a deposit.

The Stewart mining camp in northwestern British Columbia is abundantly mineralized with widely distributed, texturally and mineralogically varied, precious and base metal deposits.

This report documents the geologic setting of the mining camp and the geologic features of the major mineral deposit types. The Stewart camp is underlain by a 5-kilometre-thick Upper Triassic to Lower.

The solid-earth sciences offer a wealth of research opportunities. These include basic questions such as the origin of the Earth, abstract challenges such as the consequences for continental evolution of convection within the solid mantle, and provocative issues such as the disappearance of the dinosaurs or how life without sunlight is generated and sustained at submarine.

NASA Images Solar System Collection Ames Research Center. Brooklyn Museum. Full text of "A study of ore deposits for the practical miner, with descriptions of ore minerals, rock minerals and rocks; a guide to the prospector" See other formats. The ore vein system at Creede is dated at around 25 Ma.

The 28 to 23 Ma Henderson Urad and 33 to 24 Ma Climax porphyry molybdenum deposits also occur within the Colorado Mineral Belt. At ~40 Ma igneous intrusions responsible for the mineralisation in the Park City deposits and the Bingham Canyon porphyry Cu-Au-Mo-Ag deposit were emplaced in the.

Neogene geomorphic and climatic evolution of the central San Juan Mountains, Colorado: K/Ar age and stable isotope data on supergene alunite and jarosite from the Creede mining district. In Ancient Lake Creede: Its volcano-tectonic setting, history of sedimentation, and relation to mineralization in the Creede mining district (Bethke, P.; Hay.

u.s. department of the interior. u.s. geological survey. prepared in collaboration with: russian academy of sciences. geological committee of russia. The Antevs Library Online Author Title Catalog The catalog includes nearly titles. The following list, arranged alphabetically by first author for dissertations & theses, books and reprints; then by journal, map and media; can be searched using your browser's "FIND" (ctrl-F) utility.

Longer discussions of the subjects forming the main sections of this chapter can be found in Robb Introduction to Ore-Forming Processes (). Keslers Mineral Resources, Economics, A.M. EVANS & C.J. MOON. and the Environment () provides a 5/5(2).

Fujita, M., Nakahara, S. and Wu, C. K.,Harmful substance treatment method and system for treating polluted soil and/or groundwater without causing secondary pollution, in Japan Pat.

Kokai Tokkyo Koho JPJoin GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Stratigraphic Architecture of a Sand-Rich, Deep-Sea Depositional System: The Stevens Sandstone, San Joaquin Basin, California Lamb, Kai, Graham Reflections on the San Andreas & San Gabriel Faults - Striking Contradictions to Large Lateral Offsets Paschall, Walrond, Eds The Tertiary Mt.

Skukum gold - silver epithermal vein deposit occurs 65 km southwest of Whitehorse in the Yukon Territory. Veins are hosted by a sequence of nearly flat-lying Eocene Skukum Group andesitic volcanic rocks of the Mt.

Skukum Volcanic Complex, part of the Sloko Volcanic Province which unconformably overlies these intrusive complexes as well as .crust.

If the rate and volume of supply of magma is limited, then so too will be the flux of heat, metals, and other ore- forming components (Fig.

6). This constraint implies that the largest porphyry systems will be associated with long-lived and voluminous arc magmatic suites.

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