Chemical Characteristics Including Stable Isotope Ratios Of Surface Water And Ground Water From Selected Sources In And Near East Fork Armells Creek Basin Southeastern Montana
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Author |
: Rodger F. Ferreira |
Publisher |
: |
Total Pages |
: 470 |
Release |
: 1989 |
ISBN-10 |
: UOM:39015015964037 |
ISBN-13 |
: |
Rating |
: 4/5 (37 Downloads) |
Synopsis Chemical Characteristics, Including Stable-isotope Ratios, of Surface Water and Ground Water from Selected Sources in and Near East Fork Armells Creek Basin, Southeastern Montana, 1985 by : Rodger F. Ferreira
Author |
: |
Publisher |
: |
Total Pages |
: 40 |
Release |
: 1989 |
ISBN-10 |
: UCR:31210025452945 |
ISBN-13 |
: |
Rating |
: 4/5 (45 Downloads) |
Synopsis CHEMICAL CHARACTERISTICS, INCLUDING STABLE-ISOTOPE RATIOS, OF SURFACE WATER AND GROUND WATER FROM SELECTED SOURCES IN AND NEAR EAST FORK ARMELLS CREEK BASIN, SOUTHEASTERN MONTANA by :
Author |
: Rodger F. Ferreira |
Publisher |
: |
Total Pages |
: 32 |
Release |
: 1989 |
ISBN-10 |
: OCLC:966434705 |
ISBN-13 |
: |
Rating |
: 4/5 (05 Downloads) |
Synopsis Chemical Characteristics, Including Stable-isotope Ratios, of Surface Water and Ground Water from Selected Sources in and Near East Fork Armells Creek Basin, Southeastern Montana, 1985 by : Rodger F. Ferreira
Author |
: |
Publisher |
: |
Total Pages |
: 396 |
Release |
: 1995 |
ISBN-10 |
: MINN:31951P00688885R |
ISBN-13 |
: |
Rating |
: 4/5 (5R Downloads) |
Synopsis Water-resources Investigations Report by :
Author |
: |
Publisher |
: |
Total Pages |
: 604 |
Release |
: 1984 |
ISBN-10 |
: MINN:31951D01565640N |
ISBN-13 |
: |
Rating |
: 4/5 (0N Downloads) |
Synopsis A Competitive Assessment of the U.S. Solid Wood Products Industry by :
Author |
: |
Publisher |
: |
Total Pages |
: 60 |
Release |
: 1990 |
ISBN-10 |
: MINN:31951T00213660Y |
ISBN-13 |
: |
Rating |
: 4/5 (0Y Downloads) |
Synopsis New Publications of the U.S. Geological Survey by :
Author |
: Geological Survey (U.S.) |
Publisher |
: |
Total Pages |
: 438 |
Release |
: 1990 |
ISBN-10 |
: UOM:39015023299251 |
ISBN-13 |
: |
Rating |
: 4/5 (51 Downloads) |
Synopsis New Publications of the Geological Survey by : Geological Survey (U.S.)
Author |
: Geological Survey (U.S.) |
Publisher |
: |
Total Pages |
: 428 |
Release |
: 1990 |
ISBN-10 |
: MINN:31951P00975028Z |
ISBN-13 |
: |
Rating |
: 4/5 (8Z Downloads) |
Synopsis New Publications of the U.S. Geological Survey by : Geological Survey (U.S.)
Author |
: David Wayne Clark |
Publisher |
: |
Total Pages |
: 92 |
Release |
: 1995 |
ISBN-10 |
: IND:30000138223593 |
ISBN-13 |
: |
Rating |
: 4/5 (93 Downloads) |
Synopsis Geochemical Processes in Ground Water Resulting from Surface Mining of Coal at the Big Sky and West Decker Mine Areas, Southeastern Montana by : David Wayne Clark
Author |
: David W. Clark |
Publisher |
: |
Total Pages |
: 92 |
Release |
: 1995 |
ISBN-10 |
: UCR:31210025352772 |
ISBN-13 |
: |
Rating |
: 4/5 (72 Downloads) |
Synopsis Geochemical Processes in Ground Water Resulting from Surface Mining of Coal at the Big Sky and West Decker Mine Areas, Southeastern Montana by : David W. Clark
A potential hydrologic effect of surface mining of coal in southeastern Montana is a change in the quality of ground water. Dissolved-solids concen- trations in water in spoils aquifers generally are larger than concentrations in water in the coal aquifers they replaced; however, laboratory experiments have indicated that concentrations can decrease if ground water flows from coal-mine spoils to coal. This study was conducted to determine if decreases in concentrations occur onsite and, if so, which geochemical processes caused the decreases. Solid-phase core samples of spoils, unmined over- burden, and coal, and ground-water samples were collected from 16 observation wells at two mine areas. In the Big Sky Mine area, changes in ground- water chemistry along a flow path from an upgradient coal aquifer to a spoils aquifer probably were a result of dedolomitization. Dissolved-solids concentrations were unchanged as water flowed from a spoils aquifer to a downgradient coal aquifer. In the West Decker Mine area, dissolved-solids concentrations apparently decreased from about 4,100 to 2,100 milligrams per liter as water moved along an inferred flow path from a spoils aquifer to a downgradient coal aquifer. Geochemical models were used to analyze changes in water chemistry on the basis of results of solid-phase and aqueous geochemical characteristics. Geochemical processes postulated to result in the apparent decrease in dissolved-solids concentrations along this inferred flow path include bacterial reduction of sulfate, reverse cation exchange within the coal, and precipitation of carbonate and iron-sulfide minerals.