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Filter Total Items: 945
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Year Published: 1997

A science-based, watershed strategy to support effective remediation of abandoned mine lands

A U.S. Geological Survey Abandoned Mine Lands Initiative will develop a strategy for gathering and communicating the scientific information needed to formulate effective and cost-efficient remediation of abandoned mine lands. A watershed approach will identify, characterize, and remediate contaminated sites that have the most profound effect on...

Buxton, Herbert T.; Nimick, David A.; Von Guerard, Paul; Church, Stan E.; Frazier, Ann G.; Gray, John R.; Lipin, Bruce R.; Marsh, Sherman P.; Woodward, Daniel F.; Kimball, Briant A.; Finger, Susan E.; Ischinger, Lee S.; Fordham, John C.; Power, Martha S.; Bunch, Christine M.; Jones, John W.
A science-based, watershed strategy to support effective remediation of abandoned mine lands; 1997; Article; Conference publication; Proceedings of the Fourth International Conference on Acid Rock Drainage, Vancouver, B.C., Canada, May 31-June 6, 1997; Buxton, Herbert T.; Nimick, David A.; von Guerard, Paul; Church, Stanley E.; Frazier, Ann G.; Gray, John R.; Lipin, Bruce R.; Marsh, Sherman P.; Woodward, Daniel F.; Kimball, Briant A.; Finger, Susan E.; Ischinger, Lee S.; Fordham, John C.; Power, Martha S.; Bunch, Christine M.; Jones, John W.

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Year Published: 1997

Digital geologic map and mineral deposits of the Lake Superior region; Minnesota, Wisconsin, Michigan

Cannon, W.F.; Kress, T.H.; Sutphin, D.M.; Morey, G.B.; Meints, Joyce
Digital geologic map and mineral deposits of the Lake Superior region; Minnesota, Wisconsin, Michigan; 1997; OFR; 97-455; Cannon, W. F.; Kress, T. H.; Sutphin, D. M.; Morey, G. B.; Meints, Joyce

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Year Published: 1997

Multiresolution convariation among landsat and AVHRR vegetation indices

No abstract available.

De Cola, Lee
Multiresolution convariation among landsat and AVHRR vegetation indices; 1997; Book chapter; Book; Scale in remote sensing and GIS; De Cola, Lee

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Year Published: 1997

Environment of ore deposition in the creede mining district, San Juan Mountains, Colorado: Part V. Epithermal mineralization from fluid mixing in the OH vein

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...

Hayba, D.O.
Environment of ore deposition in the creede mining district, San Juan Mountains, Colorado: Part V. Epithermal mineralization from fluid mixing in the OH vein; 1997; Article; Journal; Economic Geology; Hayba, D. O.

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Year Published: 1997

Multiphase groundwater flow near cooling plutons

We investigate groundwater flow near cooling plutons with a computer program that can model multiphase flow, temperatures up to 1200°C, thermal pressurization, and temperature‐dependent rock properties. A series of experiments examines the effects of host‐rock permeability, size and depth of pluton emplacement, single versus multiple intrusions,...

Hayba, Daniel O.; Ingebritsen, Steven E.

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Year Published: 1996

Mineral resource assessment of the Custer National Forest in the Pryor Mountains, Carlson County, south-central Montana

Van Gosen, B. S.; Wilson, A.B.; Hammarstrom, J.M.; Kulik, D.M.
Mineral resource assessment of the Custer National Forest in the Pryor Mountains, Carlson County, south-central Montana; 1996; OFR; 96-256; Van Gosen, B. S.; Wilson, A. B.; Hammarstrom, J. M.; Kulik, D. M.

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Year Published: 1996

Water Resources Data, Virginia, Water Year 1995, Volume 1. Surface-Water Discharge and Surface-Water Quality Records

White, R.K.; Hayes, Donald C.; Eckenwiler, M.R.; Belval, D.L.; Herman, P.E.
Water Resources Data, Virginia, Water Year 1995, Volume 1. Surface-Water Discharge and Surface-Water Quality Records; 1996; WDR; VA-95-1; White, R. K.; Hayes, D. C.; Eckenwiler, M. R.; Belval, D. L.; Herman, P. E.

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Year Published: 1996

Water Resources Data, Virginia, Water Year 1995; Volume 2. Ground-Water-Level and Ground-Water-Quality Records

Water Resources Data, Virginia, Water Year 1995; Volume 2. Ground-Water-Level and Ground-Water-Quality Records; 1996; WDR; VA-95-2; Geological Survey (U.S.)

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Year Published: 1995

Acid deposition sensitivity map of the Southern Appalachian Assessment area; Virginia, North Carolina, South Carolina, Tennessee, Georgia, and Alabama

Project Summary: The following digital product represents the Acid Deposition Sensitivity of the Southern Appalachian Assessment Area. Areas having various susceptibilities to acid deposition from air pollution are designated on a three tier ranking in the region of the Southern Appalachian Assessment (SAA). The assessment is being conducted by...

Pepper, John D.; Grosz, Andrew E.; Kress, Thomas H.; Collins, Thomas K.; Kappesser, Gary B.; Huber, Cindy M.; Webb, James R.
Acid deposition sensitivity map of the Southern Appalachian Assessment area; Virginia, North Carolina, South Carolina, Tennessee, Georgia, and Alabama; 1995; OFR; 95-810; Pepper, John D.; Grosz, Andrew E.; Kress, Thomas H.; Collins, Thomas K.; Kappesser, Gary B.; Huber, Cindy M.; Webb, James R.

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Year Published: 1995

Geologic, geochemical, and isotopic studies of a carbonate- and siliciclastic-hosted Pb-Zn deposit at Lion Hill, Vermont

Zn-, Pb-, Cu-, and Fe-bearing rocks of the Lion Hill area in western Vermont formed during the Early Cambrian by syngenetic sedimentary-exhalative and diagenetic replacement processes. Sphalerite, galena, chalcopyrite, pyrite, and, locally, magnetite form stratabound and broadly stratiform lenticular zones, -300 meters long and 25-50 meters thick...

Foley, Nora K.; Clark, Sandra H.B.; Woodruff, Laurel G.; Mosier, Elwin L.
Geologic, geochemical, and isotopic studies of a carbonate- and siliciclastic-hosted Pb-Zn deposit at Lion Hill, Vermont; 1995; B; 2145; Foley, N. K.; Clark, S. H.; Woodruff, L. G.; Mosier, E. L.

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Year Published: 1994

Bibliography of The World Energy Resources Program

The following publications were prepared in the course of World Energy Studies by program scientists. Most are open-file reports because we consider it our prime responsibility to get the program supporting data into the public record. Various of the authors have also seen fit to publish their work in refereed scientific journals and those...

Masters, Charles D.
Bibliography of The World Energy Resources Program; 1994; OFR; 94-556; Masters, Charles D.

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Year Published: 1994

Lead isotope compositions as guides to early gold mineralization: The North Amethyst vein system, Creede district, Colorado

The North Amethyst vein system, which is hosted by approximately 27 Ma Carpenter Ridge Tuff and approximately 26 Ma Nelson Mountain Tuff, has two mineral associations separated by brecciation and sedimentation in the veins. The early association consists of quartz, rhodonite, hematite, magnetite, electrum (Au (sub 0.3-0.5) Ag (sub 0.7-0.5)) , and...

Foley, Nora K.; Ayuso, Robert A.
Lead isotope compositions as guides to early gold mineralization: the North Amethyst vein system, Creede district, Colorado; 1994; Article; Journal; Economic Geology; Foley, N. K.; Ayuso, R. A.