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Sunday, July 5, 2020 | History

3 edition of Geochemical data, Red Mountains mining district, San Juan Mountains, Colorado found in the catalog.

Geochemical data, Red Mountains mining district, San Juan Mountains, Colorado

Frederick S. Fisher

Geochemical data, Red Mountains mining district, San Juan Mountains, Colorado

by Frederick S. Fisher

  • 142 Want to read
  • 1 Currently reading

Published by U.S. Dept. of the Interior, Geological Survey in [Reston, Va.?] .
Written in English

    Subjects:
  • Geochemical prospecting -- San Juan Mountains (Colo. and N.M.),
  • Rocks -- San Juan Mountains (Colo. and N.M.) -- Analysis

  • Edition Notes

    Statementby Frederick S. Fisher
    SeriesOpen-file report -- 87-174, U.S. Geological Survey open-file report -- 87-174
    ContributionsGeological Survey (U.S.)
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL13565740M

    San Juan County, CO mines, mine companies, mine owners and mine information. US-Mining provides information on mines, operators, and minerals mined in San Juan County, CO. Eureka Mining District Colorado 23 20 3 0 17 1 Elk Park Area Colorado 14 13 1 5 0 3 0 2 Cement Creek Mining District Colorado 19 18 1 50 0 6 0 44 Animas Mining District Colorado 17 17 0 1 11 3 Hermosa Peak Area Colorado 3 3 0 2 0 0 0 2 Beartown-Bear Creek Mining District Colorado 3 3 0

      Lode mining claim staked by the Department of Land Transfer Information eBay Seller: Scyros reference: neuerberg, g.j., botinelly, theodore, and analysis, , selected geochemical and petrographic data for characterizing the mineralized rocks of the montezuma mining district, central colorado: u.s. geological survey open file report

    The Red Mountain Project was launched in in an effort to preserve threatened historic landscapes and structures along the San Juan Skyway and in and around Red Mountain Pass. Dating back to , this scenic, National Register designated mining district covplus acres and has more than two million visitors each year. The study area is in the rugged and spectacular San Juan Mountains between South and Middle Forks of Mineral Creek (Figure 1). Topographic relief in the study area reaches 1, m and the.


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Geochemical data, Red Mountains mining district, San Juan Mountains, Colorado by Frederick S. Fisher Download PDF EPUB FB2

The high point of the spectacular, 80 mile section of US through the San Juan Mountains is 11, foot Red Mountain Pass, named after San Juan Mountains colorful, mineralized peaks that rise above the east side of the are three distinct summits of Red Mountain, closest be foot Number 3; Number 2 lies nearly mile north, and Number 1 two miles east.

Get this from a library. Geochemical data, Red Mountains mining district, San Juan Mountains, Colorado. [Frederick S Fisher; Geological Survey (U.S.)]. 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 constant. The base of a distinctive orange-brown growth zone marks a sharp. Western Mining History is your source for overmines in the western states. Geochemical Data from Waters in Prospect Gulch, San Juan County, Colorado, that Span Pre- and Post- In San Juan County, Colorado, the effects of historical mining continue to contribute Colo., was the center of a metal mining boom in the San Juan Mountains.

Although most mining activity ceased by the s, the effects. Red Mountain Mining District lies between Ouray and Silverton on Highway (better known as the Million Dollar Highway). County Road 31 exits off the highway, threads through the mountinous district, runs parallel to the highway, and eventually dumps you back on Highway Get this from a library.

Geochemical characteristics of mineralized breccia pipes in the Red Mountain district, San Juan Mountains, Colorado. [Frederick S Fisher; Willard P Leedy; Geological Survey (U.S.)] -- A study of the distribution of oxides and elements in altered volcanic rocks around and within breccia pipes in the northwest San Juan Mountains.

Geochemical characteristics of mineralized breccia pipes in the Red Mountain District, San Juan Mountains, Colorado Bulletin By: Frederick S. Fisher and Willard P. Leedy. The San Juan Mountains are mostly co-extensive with the San Juan Volcanic field, a large area in southwestern Colorado, roughly triangular in shape, that includes many metal mining areas but also the zeolite producing outcrops west of Wolf Creek Pass.

MHAers at the mining district overlook. The trestle once brought ore from the Treasury Tunnel of the Idarado Mine to a mill in the valley below. By the afternoon return trip, the sun had melted much of the morning snow to reveal the true colors of Red Mountains 1, 2, and 3.

The Tenth Annual Mining History Association Conference was held in Ouray, Colorado, JuneOuray (pronounced Your-ray) is in the heart of the San Juan Mountains, a mineral-rich part of Colorado’s Rocky Mountain Mining Country.

Mines. A little over a century ago, the Red Mountain Mining District in the San Juan Mountains of southwestern Colorado was the scene of a "silver rush" with an output of precious metals second in Colorado only to that of Leadville/5(2). The San Juan Mountains are the largest erosional remnant of a composite volcanic field that covered much of the southern Rocky Mountains in middle Tertiary time.

The San Juan field consists mainly of intermediate-composition lavas and breccias, erupted about Ma from scattered central volcanoes (Conejos Formation) and overlain by. San Juan County, CO Gold mines, mine companies, mine owners and mine information.

US-Mining provides information on mines, operators, and minerals mined in San Juan County, CO. LOCATION: A former Cu-Ag-Au-Pb-Zn mining district located in the San Juan Mountains, N of the Animas District and Silverton, on Bureau of Land Management wilderness land (Handies Peak Wilderness Study Area), at altitudes ranging from 9, feet to 13, feet.

GEOLOGY: Mineralization is polymetallic veins (Mineral occurrence model information: Model code 85. John Ninnemann's photographs illustrate the text and include the natural, and sometimes harsh, beauty of the area, narrow-gauge railroads, and mountain trails. Duane Smith, recognized historian of Colorado's mining areas, provides the history of the San Juan Mountains, the mining camps, boomtowns, and ghost towns.4/5(3).

Abandoned mining cabin in the San Juan Mountains above Silverton, Colorado Contributor Names Highsmith, Carol M.,photographer - San Juan Mountains Long-abandoned tipple on a hillside near the old mining town of Ironton in San Juan County, 1 photograph: digital, tiff file, color.

SAN JUAN MOUNTAINS • Extraordinary geologic record (PC-Holocene) • Repository of Au, Ag, Zn, Cu, Fe • Outliers of coal, oil, natural gas, U, He, CO. 2 • Geothermal resources • Extensive glacial history • Outstanding scenery.

The Sunnyside mine, in the Eureka mining district, San Juan County, Colorado, produces tons/day of gold-silver-copper-lead-zinc-cadmium ore and is currently the State's leading gold producer (28, ounces in ).Cited by: Reconnaissance geology and economic significance of the Platoro caldera, southeastern San Juan Mountains, Colorado Article (PDF Available) with 56 Reads How we measure 'reads'.

High metal prices have stirred activity in the long-dormant San Juan Mountains mining and milling industries. Permits are moving forward for the Pride of the West mill, near Silverton, and for the.Geochemical data from waters in Prospect Gulch, San Juan County, Colorado, that span pre- and post-Lark Mine remediation.About 30 m.y.

ago, major volcanic activity changed to explosive ash-flow eruptions of quartz latite and low-silica rhyolite that persisted until about 26 m.y.

ago. Source areas for the ash flows are marked by large calderas in the central and western San Juan by: