Economic Geology of the Idaho Springs District, Clear Creek and Gilpin Counties, Colorado. by United States Geological Survey

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SeriesU.S. Geological Survey bulletin -- 1208
ContributionsMoench, R.H., Drake, A.A.
ID Numbers
Open LibraryOL21727171M

Download Economic Geology of the Idaho Springs District, Clear Creek and Gilpin Counties, Colorado.

ECONOMIC GEOLOGY OF THE IDAHO SPRINGS DISTRICT, CLEAR CREEK AND GILPIN COUNTIES, COLORADO By ROBERT H. MOENCH and AVERY ALA DRAKE, Jr.

ABSTRACT The Idaho Springs district is in the central part of the Front Range mineral belt, a northeast-trending zone of porphyritic intrusive rocks and hydrothermal veins of early Tertiary by: 6. Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado Bulletin By: Robert Hadley Moench and Avery Ala Drake Jr.

Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado, (U.S. Geological Survey. Bulletin) [Moench, Robert Hadley] on *FREE* shipping on qualifying offers. Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado, (U.S.

Geological Survey. Clear Creek and Gilpin Counties. Genre/Form: Geological maps: Additional Physical Format: Online version: Moench, Robert Hadley, Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado.

Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado by Robert Hadley Moench,U.S. Govt. Print. Off. edition, in EnglishPages: Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado.

Economic > Colorado > Idaho Springs Region. Ore deposits > Colorado > Idaho Springs Region. Mines and mineral resources > Colorado > Idaho Springs Region. Bibliographic information. Publication date Series. Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado by Robert Hadley Moench, unknown edition.

The Idaho Clear Creek and Gilpin Counties mining district forms an important segment of the Front Range mineral belt, a northeast-trending zone of coextensive intrusive rocks and hydrothermal ore deposits of early Tertiary age. This belt, which is about 50 miles long, extends from the region just west of Boulder southwestward across the Front Range.

Fromwhen placer gold was discovered in Idaho Springs and lode. Economic Geology of Gilpin County and Adjacent Parts of Clear Creek and Boulder Counties, Colorado, Issue 1 Edson Sunderland Bastin, James Madison Hill U.S. Government Printing Office, - Geology - pages.

PRELIMINARY REPORT ON THE ECONOMIC GEOLOGY OF GILPIN COUNTY, COLORADO. By EDSON S. BASTIN and JAMES M. HiLL.1 INTRODUCTION. The following brief account of the economic geology of Gilpin County and adjacent portions of Clear Creek and Boulder counties, Colo., summarizes the more important results of an exhaustive geo­.

Close mobile search navigation. Article navigation. Vol Number 4. Buy Economic Geology of Gilpin County and Adjacent Parts of Clear Creek and Boulder Counties, Colorado by Bastin, Edson Sunderland, James Madison Hill online on at best prices.

Fast and free shipping free returns cash on delivery available on eligible : Edson Sunderland Bastin. Buy Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado, (U.S. Geological Survey. Bulletin) by Robert Hadley Moench (ISBN:) from Amazon's Book Store.

Everyday low prices and free delivery on eligible : Robert Hadley Moench. Economic Geology of Gilpin County and adjacent parts of Clear Creek and Boulder Counties, Colorado, USGS Professional Pa figure 53 Idaho Springs Bedrock in the area includes Precambrian gneiss, granite, and pegmatite with some amphibolite.

The molybdenite mineralization is centered on a Laramide quartz bostonite or alkali rhyolite breccia pipe that occurs at the intersection of the Dory Hill fault and the Idaho Springs-Ralston shear zone.

Stream sediment geochemistry suggests that significant amounts of W may be present in the system. 13, geologic time scale (inside front cover). Idaho Springs Formation.

Sample from a foliated, medium-grained, microcline-quartz-biotite-plagioclase gneiss, in roadcut along Golden Gate Canyon Road, in sec. 19, T. 3 S., R. 70 W., Ralston Butte quadrangle, Jefferson County, Colorado, yielded a fission-track age of +/ Ma (apatite); represents cooling-age, indicates time of uplift in.

Reference: Moench and Drake,Mines and prospects, Idaho Springs district, Clear Creek and Gilpin Counties, Colorado; descriptions and maps: USGS OFR Join Our List Please add your email address and specify your topics of interest.

On January 5,during the Pike's Peak Gold Rush, prospector George A. Jackson discovered placer gold at the present site of Idaho Springs, where Chicago Creek empties into Clear was the first substantial gold discovery in Colorado.

Jackson, a Missouri native with experience in the California gold fields, was drawn to the area by clouds of steam rising from some nearby hot springs. Comment Type: Geology: Comment: The Big Five tunnel cuts Precambrian gneiss, amphibolite, granite and pegmatite, and Tertiary porphyry dikes, plus many veins.

Comment Type: Location: Comment: An access-drainage-exploration tunnel, the portal is located at highway level just west of Idaho Springs, in the W/2 sec. 35, T3 S, R 73 W.

Comment Type: Workings: Comment: The tunnel extends due north. [Geology Of Gilpin, Clear Creek, And Boulder Counties, Colorado, ; submitted by cddd] Rough and Ready Mine in Missouri Gulch The lessees, Gundy & Wiseback, on the Rough and Ready mine in Missouri Gulch, are getting out some good ore from the new shaft which they recently commenced sinking, and which is now down but seven feet.

b c / chaffee, m. / distribution and abundance of gold and other selected elements in altered bedrock, empire mining district, clear creek county, colorado,pb, 23 pages, 16 figs., 3 tables, $ 6.

Rich History. Gilpin County, located in the high country east of the Continental Divide some thirty-seven miles west of Denver, was established in as one of the original seventeen counties of the Colorado Territory.

Clear Creek Comments on the location information In Gilson Gulch, east of Seaton Mtn., about /2 miles north of Idaho Springs, near the center of sec. 25, T 3 S, R 73 W. Thousands came to Clear Creek and Gilpin Counties and eventually settled all of Colorado.

The mining communities of Idaho Springs, Georgetown, Empire, Silver Plume, Dumont, and Lawson all exist because of the pursuit of gold and silver.

Gold was initially easy to get to, but in time, underground mineral development was necessary. # Free Book Mines Of Clear Creek County Images Of America # Uploaded By Eiji Yoshikawa, thousands came to clear creek and gilpin counties and eventually settled all of colorado the mining communities of idaho springs georgetown empire silver plume dumont and lawson all exist because of the pursuit of gold and silver gold was.

The Annual Conference of the Mining History Association (MHA) was incorporated into the Third International Mining History Conference and Symposium on the Preservation of Mining Sites held at the Green Center of the Colorado School of Mines in Golden, Colorado, JuneThe campus of the School of Mines is located where Clear Creek breaks from its scenic Rocky Mountain canyon.

Occurrence in Clear Creek county in Colorado, United States with commodities Gold, Silver, Lead Jr.,Economic geology of the Idaho Springs district, Clear Creek and Gilpin counties, Colorado: U.S. Geological Survey Bulletin91 p. Reporter information. Type Date Name Affiliation.

This discovery began an era of mining development that led to the foundation and early growth of Denver and of the State of Colorado. Up to the end of the year there had been added to the world's supply of the precious metal from the counties of Gilpin and Clear Creek alone approximately $, Moench & Drake () Mines and prospects of the Idaho Springs District, Clear Creek and Gilpin Counties Colorado.

USGS Open File Report Bastin, Edson S. and Hill, James M. (), Economic Geology of Gilpin County and adjacent parts of Clear Creek and Boulder Counties, Colorado, USGS Professional Pa pp. gilpin county and adjacent parts of clear creek and boulder counties, colorado professional paper 94 published geology and ore deposits of the front range colorado professional paper published economic geology of the central city district gilpin peak, colorado in and central city-idaho springs district in Colorado Southern Railway, Clear Creek Narrow Gauge - Allan C Lewis,ISBNArcadia Publishing, Charleston SC: Economic geology of Gilpin County and adjacent parts of Clear Creek and Boulder counties, Colo.

- Bastin, E.S., and J.M. Hill,U.S. Geological Survey Professional Paper ~ Free Reading Mines Of Clear Creek County Images Of America ~ Uploaded By Alexander Pushkin, thousands came to clear creek and gilpin counties and eventually settled all of colorado the mining communities of idaho springs georgetown empire silver plume dumont and lawson all exist because of the pursuit of gold and silver gold.

Economic Geology of Gilpin County and Adjacent Parts of Clear Creek and Boulder Counties, Colorado. Bastin, E.S. and Hill, J.M. Pollutional Characteristics of Urban Snowmelt Runoff. Battaglia, George M. Wastewater Management Opportunities, Boulder, Colorado: A Study of Alternatives. Bauer Engineering: Nederland: a Trip to Cloudland.

Becker. The City of Central, commonly known as Central City, is the Home Rule Municipality in Gilpin and Clear Creek counties that is the county seat and the most populous municipality of Gilpin County, Colorado, United States.

The city population was at the United States Census. The city is a historic mining settlement founded in during the Pike's Peak Gold Rush and came to be known as. Gilpin County, located in the high country east of the Continental Divide some thirty-seven miles west of Denver, was established in as one of the original seventeen counties of the Colorado county encompasses about square miles of mountainous terrain that ranges in elevation from 6, feet to 13, feet.

Central City-Idaho Springs district. On January 5,during the Pike's Peak Gold Rush, prospector George A. Jackson discovered placer gold at the present site of Idaho Springs, where Chicago Creek empties into Clear Creek.

It was the first substantial gold discovery in Colorado. The City of Black Hawk is a Home Rule Municipality in Gilpin County, Colorado, United city population was at the United States Census, making Black Hawk the least populous city (rather than town) in Colorado.

The tiny city is a historic mining settlement founded in during the Pike's Peak Gold Hawk is a part of the Denver-Aurora-Lakewood, CO Metropolitan.

Clear Creek County lies thirty miles west of Denver on the eastern slope of the Rocky Mountains. One of Colorado’s seventeen original counties, it covers square miles and spans Clear Creek Canyon, from which it takes its Creek County has a population of 9, and is bordered by Gilpin County to the northeast, Jefferson County to the east, Park County to the south, Summit.

The City of Central or merely Central City is a home rule municipality in Gilpin and Clear Creek counties in the U.S. state of Colorado, and the county seat of Gilpin County. [5] The city population was at the census. [6] The city is a historic mining settlement founded in during the Pike's Peak Gold Rush and came to be known as the "Richest Square Mile on Earth".

Geology of the Garns Mountain Quadrangle Bonneville, Madison, and Teton Counties, Idaho I Department of the Interior Geology of the Bridgewater Quadrangle Aroostook County, Maine I Department of the Interior Economic Geology of the Idaho Springs District, Clear Creek and Gilpin Counties, Colorado I.

Awards and Recognitions. Recipient of the AMOCO Outstanding Teaching Award in andColorado School of Mines. Outstanding CSM Faculty Member, Department of Geology and Geological Engineering, Colorado School of Mines,voted by the entire CSM senior class: (spring and fall), (fall), (spring), (spring and fall), (spring and fall), (spring and fall).Two important orebodies have been defined by drilling in the Tallahassee Creek uranium district, Fremont County, Colorado.

They are the Hansen orebody, which contains about 12 million kg of U/sub 3/O/sub 8/, and the Picnic Tree orebody, which contains about 1 million kg of U/sub 3/O/sub 8/.Idaho Springs Clear Creek County, Colorado.

Last Updated: Q2 Parcel Map Newly Updated! Total Population: 6, Would you like to download Idaho Springs gis parcel map? Request a quote Order Now! Parcel maps and parcel GIS data layers are .

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