2003, ISBN: 9781243768971

Although remedial actions have taken place at the Gilt Edge mine in the Black Hills of South Dakota, questions remain about a possible hydrologic connection along shear zones between some… Mehr…

Although remedial actions have taken place at the Gilt Edge mine in the Black Hills of South Dakota, questions remain about a possible hydrologic connection along shear zones between some of the pit lakes at the mine site and Strawberry Creek. Spatially detailed chemical sampling of stream and inflow sites occurred during low-flow conditions in June 2003 as part of a mass-loading study by the U.S. Geological Survey to investigate the possible connection of shear zones to the stream. Stream discharge was calculated by tracer dilution; discharge increased by 25.3 liters per second along the study reach, with 9.73 liters per second coming from three tributaries and the remaining increase coming from small springs and dispersed, subsurface inflow. Chemical differences among inflow samples were distinguished by cluster analysis and indicated that inflows ranged from those unaffected by interaction with mine wastes to those that could have been affected by drainage from pit lakes. Mass loading to the stream from several inflows resulted in distinct chemical changes in stream water along the study reach. Mass loading of the mine-related metals, including cadmium, copper, nickel, and zinc, principally occurred from the discharge from the Gilt Edge mine, and those metals were substantially attenuated downstream. Secondary loadings of metals occurred in the vicinity of the Oro Fino shaft and from two more inflows about 200 m downstream from there. These are both locations where shear zones intersect the stream and may indicate loading associatedwith these zones. Linda et al., Briant A. Kimball, Robert L. Runkel, Books, Reference and Language, Quantification of mass loading to Strawberry Creek near the Gilt Edge mine, Lawrence County, South Dakota, June 2003: Usgs Scienti Books>Reference and Language, BiblioLabsII<

ISBN: 9781243768971

Created by et al, Robert L. Runkel, Briant A. Kimball, Paperback, English-language edition, Pub by BiblioLabsII Books, Education & Teaching~~Administration~~General, Reflection-Among-Pres… Mehr…

Created by et al, Robert L. Runkel, Briant A. Kimball, Paperback, English-language edition, Pub by BiblioLabsII Books, Education & Teaching~~Administration~~General, Reflection-Among-Preservice-Teacher-Candidates~~et-al, 999999999, Reflection Among Preservice Teacher Candidates, Created by et al., Robert L. Runkel, Briant A. Kimball, 1243768975, BiblioLabsII, , , , , BiblioLabsII<

ISBN: 9781243768971

Created by et al., Robert L. Runkel, Briant A. Kimball,Paperback, English-language edition,Pub by BiblioLabsII Books Books ~~ Education & Teaching~~ Administration ~~ General Reflection-A… Mehr…

Created by et al., Robert L. Runkel, Briant A. Kimball,Paperback, English-language edition,Pub by BiblioLabsII Books Books ~~ Education & Teaching~~ Administration ~~ General Reflection-Among-Preservice-Teacher-Candidates~~et-al BiblioLabsII<

2003, EAN: 9781243768971

Taschenbuch

Paperback, [PU: Proquest, Umi Dissertation Publishing], Organization & Management Of Education, Organization & Management Of Education

2003, EAN: 9781243768971

Taschenbuch

Paperback, [PU: Bibliogov], Organization & Management Of Education