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Title: Geophysical investigations of near-surface materials and groundwater quality at abandoned mine land site No. 1087, Pike County, Indiana

Abstract

Reclamation of Abandoned Mine Land (AML) Site No. 1087 (Midwestern) includes extensive use of coal-combustion byproducts such as fly ash and fixated scrubber sludge (FSS) as fill and cover materials. Prior to reclamation, a deposit of coarse-grained pyritic refuse in the central part of the site was the primary source for acidic mine drainage. The FSS tends to have a low permeability, so it was applied over the refuse to serve as a barrier to vertical recharge and thereby inhibit generation and mobilization of additional acidity. Repeated post-reclamation measurements of soil-water content using a neutron moisture gauge provide evidence that vertical recharge is, in fact, not occurring through the FSS. However, a previously existing plume of acidic water extends beyond the area of the refuse into adjacent areas of disturbed overburden (spoil). Electrical resistivity profiles using the offset Wenner method were used to delineate the horizontal extent of the refuse and to quantify spatial variability of groundwater chemistry within the refuse and adjacent spoil. Ground penetrating radar (GPR) was used to precisely determine the thickness and extent of the FSS layer and its relation to the refuse and to the surrounding plume of acidic water. Together, these techniques provide amore » complete three-dimensional representation of the FSS, refuse, spoil, and plume of acidic groundwater.« less

Authors:
;  [1];  [2]
  1. Indiana Univ., Bloomington, IN (United States). Dept. of Geological Sciences
  2. Indiana Geological Survey, Bloomington, IN (United States). Environmental Geology Section
Publication Date:
OSTI Identifier:
361650
Report Number(s):
CONF-9805185-
TRN: IM9933%%31
Resource Type:
Conference
Resource Relation:
Conference: 15. American Society for Surface Mining and Reclamation (ASSMR) annual national meeting, St. Louis, MO (United States), 17-21 May 1998; Other Information: PBD: [1998]; Related Information: Is Part Of Proceedings of the 15. annual national meeting of the American Society for Surface Mining and Reclamation. Mining -- Gateway to the future; Throgmorton, D.; Nawrot, J.; Mead, J.; Galetovic, J.; Joseph, W. [eds.]; PB: 801 p.
Country of Publication:
United States
Language:
English
Subject:
01 COAL, LIGNITE, AND PEAT; INDIANA; ABANDONED SITES; LAND RECLAMATION; FLY ASH; SLUDGES; WASTE PRODUCT UTILIZATION; ACID MINE DRAINAGE; SURFACE MINING; GROUNDWATER RECHARGE; WATER QUALITY; SPOIL BANKS

Citation Formats

Spindler, K.M., Olyphant, G.A., and Harper, D. Geophysical investigations of near-surface materials and groundwater quality at abandoned mine land site No. 1087, Pike County, Indiana. United States: N. p., 1998. Web.
Spindler, K.M., Olyphant, G.A., & Harper, D. Geophysical investigations of near-surface materials and groundwater quality at abandoned mine land site No. 1087, Pike County, Indiana. United States.
Spindler, K.M., Olyphant, G.A., and Harper, D. Thu . "Geophysical investigations of near-surface materials and groundwater quality at abandoned mine land site No. 1087, Pike County, Indiana". United States.
@article{osti_361650,
title = {Geophysical investigations of near-surface materials and groundwater quality at abandoned mine land site No. 1087, Pike County, Indiana},
author = {Spindler, K.M. and Olyphant, G.A. and Harper, D.},
abstractNote = {Reclamation of Abandoned Mine Land (AML) Site No. 1087 (Midwestern) includes extensive use of coal-combustion byproducts such as fly ash and fixated scrubber sludge (FSS) as fill and cover materials. Prior to reclamation, a deposit of coarse-grained pyritic refuse in the central part of the site was the primary source for acidic mine drainage. The FSS tends to have a low permeability, so it was applied over the refuse to serve as a barrier to vertical recharge and thereby inhibit generation and mobilization of additional acidity. Repeated post-reclamation measurements of soil-water content using a neutron moisture gauge provide evidence that vertical recharge is, in fact, not occurring through the FSS. However, a previously existing plume of acidic water extends beyond the area of the refuse into adjacent areas of disturbed overburden (spoil). Electrical resistivity profiles using the offset Wenner method were used to delineate the horizontal extent of the refuse and to quantify spatial variability of groundwater chemistry within the refuse and adjacent spoil. Ground penetrating radar (GPR) was used to precisely determine the thickness and extent of the FSS layer and its relation to the refuse and to the surrounding plume of acidic water. Together, these techniques provide a complete three-dimensional representation of the FSS, refuse, spoil, and plume of acidic groundwater.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Dec 31 00:00:00 EST 1998},
month = {Thu Dec 31 00:00:00 EST 1998}
}

Conference:
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