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78
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30
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184 Matching Results
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Geology and ore deposits of the Freeland-Lamartine district, Clear Creek County, Colorado
A report regarding a geological survey of the geology and ore deposits of the Freeland-Lamartine District, Clear Creek County, Colorado. Concerns work done on behalf of the Division of Raw Materials of the U.S. Atomic Energy Commission.
Date:
March 1954
Creator:
Harrison, Jack Edward & Wells, J. D.
Object Type:
Report
System:
The UNT Digital Library
Geology and Ore Deposits of the Freeland-Lamartine District, Clear Creek County, Colorado
Report discussing the results of a geological study of the Idaho Springs-Central City area of the Front Range mineral belt. The study was still in progress at the time of publication.
Date:
March 1954
Creator:
Harrison, J. E. & Wells, J. D.
Object Type:
Report
System:
The UNT Digital Library
Relation of Uranium to Hypogene Mineral Zoning in the Front Range Mineral Belt, Colorado
Report discussing the relationship between uranium deposits and hypogene mineral zoning in the Front Range mineral belt of Colorado. This report is mostly based on work done by other geologists.
Date:
August 1955
Creator:
Wallace, Stewart Raynor; Leonard, B. F. & Campbell, R. H.
Object Type:
Report
System:
The UNT Digital Library
Approximation of continuity of lenticular Mesaverde Group sandstone lenses utilizing close-well correlations, Piceance Basin, NW Colorado. SPE 11610
Mesaverde Group sandstone units in 13 closely-spaced wells in the central and southern Piceance Basin of Colorado were correlated utilizing wireline log response quantitatively and qualitatively. Based on these correlations, the environmental subdivisions of the Mesaverde Group were characterized as follows: (1) paralic (upper mixed-marine) zone, occurring in the uppermost Mesaverde Group, includes thick sandstone units which are interpreted to be regionally continuous, (2) fluvial zone, containing point-bars 20 to 30+ ft thick, is interpreted to be correlatable to a maximum of 6800 ft, and (3) paludal zone has insufficient data to adequately characterize the sand units. However, 63 percent of the units are correlatable across at least 139 ft. An approximation of the dimensional characteristics of Mesaverde sandstone units has potential applications in designing hydraulic fracturing treatments and estimating gas reserves more accurately. 15 figures, 2 tables.
Date:
January 1, 1982
Creator:
Peterson, Richard E. & Kohout, Julie B.
Object Type:
Report
System:
The UNT Digital Library
Colorado: basic data for thermal springs and wells as recorded in GEOTHERM
GEOTHERM sample file contains 225 records for Colorado. Three computer-generated indexes are found in appendices A, B, and C of this report. The indexes give one line summaries of each GEOTHERM record describing the chemistry of geothermal springs and wells in the sample file for Colorado. Each index is sorted by different variables to assist the user in locating geothermal records describing specific sites. Appendix A is sorted by the county name and the name of the source. Also given are latitude, longitude (both use decimal minutes), township, range, section, GEOTHERM record identifier, and temperature (/sup 0/C). Appendix B is sorted by county, township, range, and section. Also given are name of source, GEOTHERM record identifier, and temperature (/sup 0/C). Appendix C is first sorted into one-degree blocks by latitude, and longitude, and then by name of source. Adjacent one-degree blocks which are published as a 1:250,000 map are combined under the appropriate map name. Also given are GEOTHERM record identifier, and temperature (/sup 0/C). A bibliography is given in Appendix D.
Date:
May 1, 1983
Creator:
Bliss, J. D.
Object Type:
Report
System:
The UNT Digital Library
Rio Blanco Massive Hydraulic Fracture: Project Definition
The Piceance Basin in Colorado contains an estimated 600 trillion cu ft of natural gas in place. Both the Rulison and Rio Blanco events have been detonated to determine the feasibility of nuclear fracturing to stimulate natural gas production in this basin. A demonstration program to test the relative effectiveness of massive hydraulic fracturing (MHF) to achieve natural gas production stimulation from the same gas reservoir is presented. Details are included on MHF design parameters, including surface and subsurface equipment, pumping requirements, evaluation of fracturing results, and all associated test programs; site characteristics and preparation; proposal for gas utilization program; environmental surveillance and comparative analysis of environmental aspects of MHF and nuclear stimulation; gas delivery estimates; project administration; and costs and scheduling.
Date:
1973~
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Mineral Facts and Problems, 1956
Report issued by the Bureau of Mines over mineral characteristics, uses, and problems. Descriptions of common minerals and their uses are presented and discussed. This report includes tables, maps, and illustrations.
Date:
1956
Creator:
United States. Bureau of Mines.
Object Type:
Report
System:
The UNT Digital Library
Relation of Uranium to Hypogene Mineral Zoning in the Front Range Mineral Belt, Colorado
From abstract: Many of the mining districts of the Colorado Front Range mineral belt contain mesothermal sulfide ores that exhibit a zonal distribution. Present data indicate that in most of the zoned districts pitchblende and/or secondary uranium minerals are most abundant in a transition zone between central areas containing predominantly pyritic gold ores and peripheral areas containing dominantly lead-zinc-silver deposits. Copper in the form of chalcopyrite is also probably more abundant in the transition zone than in adjacent zones.
Date:
August 1955
Creator:
Wallace, S. R.; Leonard, B. F. & Campbell, Russell H.
Object Type:
Report
System:
The UNT Digital Library
Extraction and Recovery of Radium, Uranium and Vanadium from Carnotite
Report issued by the Bureau of Mines discussing extraction and recovery of different ores from carnotite. Equipment and methods for extraction are presented. This report includes tables, illustrations, and photographs.
Date:
November 1915
Creator:
Parsons, Charles L.; Moore, R. B.; Lind, S. C. & Schaefer, O. C.
Object Type:
Report
System:
The UNT Digital Library
Mineral Resources of the Willow Creek and Skull Creek Wilderness Study Areas, Moffat County, Colorado
Abstract: The Willow Creek Wilderness Study Area (CO-010-002) and the Skull Creek Wilderness Study Area (C-010-003), which contain 13,368 acres and 13,739 acres, respectively, are in northwest Colorado near the Utah border. There are no identified resources in either of the study areas. The study areas have low resource potential for undiscovered uranium, vanadium, copper, and all other metals; oil and gas; and coal.
Date:
1990
Creator:
Van Loenen, Richard E.; Folger, Helen W. & Kulik, Dolores M.
Object Type:
Report
System:
The UNT Digital Library
Minerals of Colorado: A 100-Year Record
"A summary of the first 100 years of published knowledge, including the chief occurrences of 445 mineral species."
Date:
1961
Creator:
Eckel, Edwin Butt
Object Type:
Report
System:
The UNT Digital Library
Gypsum Products: Their Preparation and Uses
Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date:
July 1917
Creator:
Stone, Ralph W.
Object Type:
Report
System:
The UNT Digital Library
Geology and Mineral Fuels of Parts of Routt and Moffat Counties, Colorado
This report studies the geology of mineral deposits in Mount Harris, Pilot Knob, Elkhead Creek, and Daton Peek quadrangles in northwestern Colorado.
Date:
1955
Creator:
Bass, N. Wood; Eby, J. Brian & Campbell, Marius R.
Object Type:
Report
System:
The UNT Digital Library
Oil and Gas Wells through Workable Coal Beds: Papers and Discussions
From Preface: "In carrying out such a policy with reference to the subject under consideration, the Bureau of Mines invited the State geologists, mine inspectors, and a number of coal operators and oil and gas well drillers from the States interested to meet representatives of the Bureau of Mines in Pittsburgh, Pa., for a discussion of the subject during February 7 and February 8, 1913. This adjourned meeting of the conference will be held at an early date and its report will be printed in a later edition of this bulletin, with such additional suggestions as may be received by the Bureau of Mines. The bureau will be glad, therefore, to receive at the earliest practicable date any additional suggestions or any additional information throwing light on the matters discussed in this bulletin."
Date:
1913
Creator:
Rice, George S. & Hood, O. P.
Object Type:
Report
System:
The UNT Digital Library
Geology and Mineral Fuels of Parts of Routt and Moffat Counties, Colorado
A report about minerals fuels and geologies located in parts of the Routt and Moffat counties, Colorado.
Date:
1955
Creator:
Bass, N. Wood; Eby, J. Brian & Campbell, Marius R.
Object Type:
Report
System:
The UNT Digital Library
Areal Geology of the Placerville Quadrangle, Colorado
Report discussing the regional geology, geomorphology, structure, mineral deposits, and details of the sedimentary and igneous rocks of the Placerville Quadrangle in Colorado.
Date:
May 1956
Creator:
Bush, Alfred Lerner; Bromfield, C. S. & Pierson, C. T.
Object Type:
Report
System:
The UNT Digital Library
User Coupled Confirmation Drilling Program Case Study: City of Alamosa, Colorado, Alamosa No. 1 Geothermal Test Well
A 7118 ft (2170 m) deep geothermal test well was drilled on the south edge of the city of Alamosa, Colorado as part of the Department of Energy's User Coupled Confirmation Drilling Program. The project was selected on the bases of a potential direct heat geothermal resource within the Rio Grande rift graben and resource users in Alamosa. The well site was selected on the hypothesis of a buried horst along which deep thermal fluids might be rising. In addition, there were city wells that were anomalous in temperature and the location was convenient to potential application. The Alamosa No. 1 penetrated 2000 ft (610 m) of fine clastic rocks over 4000 ft (1219 m) of volcaniclastic rock resting on precambrian crystalline rock at a depth of 6370 ft (1942 m). Due to poor hole conditions, geophysical logs were not run. The stabilized bottom hole temperature was 223/sup 0/F (106/sup 0/C) with a gradient of 2.6/sup 0/F/100 ft (47/sup 0/C/km). Limited testing indicated a very low production capacity. 16 refs., 6 figs.
Date:
August 1985
Creator:
Zeisloft, J. & Sibbett, B. S.
Object Type:
Report
System:
The UNT Digital Library
Geology of the Ralston Buttes District, Jefferson County, Colorado : A Preliminary Report
This report consists of a preliminary areal map and a brief description of the geology of the Ralston Buttes district.
Date:
December 1956
Creator:
Sheridan, Douglas M.; Maxwell, Charles H.; Albee, Arden Leroy & Van Horn, Richard
Object Type:
Report
System:
The UNT Digital Library
Treasure Hill Area, Larimer County, Colorado
Abstract: The Treasure Hill area consists of eight mining-lode claims in secs. 10 and 15, T. 9 N., R. 70 W., Larimer County, Colo. All of the workings were examined and samples were taken from most of them. The results of the examination indicate that there is little or no detectable radioactivity in the schist and granite of the area.
Date:
December 20, 1951
Creator:
Wyant, Donald G.
Object Type:
Report
System:
The UNT Digital Library
National Uranium Resource Evaluation: Cortez Quadrangle, Colorado and Utah, Appendix A-E
Appendices containing data on uranium availability in the Cortez Quadrangle to accompany a report on U.S. uranium resources in Colorado and Utah.
Date:
September 1982
Creator:
Hagar, F.J. & Franczyk, K.J.
Object Type:
Dataset
System:
The UNT Digital Library
[News Script: APB 120]
Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about winter which is expected to take one big punch at Texas.
Date:
March 20, 1974, 8:25 a.m.
Creator:
WBAP-TV (Television station : Fort Worth, Tex.)
Object Type:
Script
System:
The UNT Digital Library
Radioactive Mineral Occurrences of Colorado and Bibliography
From abstract: This two-part report provides an essentially complete listing of radioactive occurrences in Colorado, with a comprehensive bibliography and bibliographic cross-indexes.
Date:
1978
Creator:
Nelson-Moore, James L.; Collins, Donna Bishop & Hornbaker, A. L.
Object Type:
Report
System:
The UNT Digital Library
Radioactivity Reconnaissance of Part of North-Central Clear Creek County, Front Range, Colorado
Report discussing an investigation of radioactivity in part of Clear Creek County, Front Range, Colorado. The methods and results of the reconnaissance are included. Veins containing chalcopyrite were found to be the best source of radioactivity in the region.
Date:
July 1953
Creator:
Wells, John D. & Harrison, Jack E.
Object Type:
Report
System:
The UNT Digital Library
Radioactivity Reconnaissance of Part of North-Central Clear Creek County, Front Range, Colorado
"The purpose of the reconnaissance was to determine the distribution and the economic importance of the radioactive occurrences of the region. The methods, as well as the results, of the investigation, are given in this report."
Date:
June 1953
Creator:
Wells, John David & Harrison, Jack Edward
Object Type:
Report
System:
The UNT Digital Library