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Hydrogeology of an abandoned mine-land site for management of coal-combustion products

Paul K. Doss, Ron Yost and Don Fuller
Hydrogeology of an abandoned mine-land site for management of coal-combustion products (in From the Cincinnati Arch to the Illinois Basin; geological field excursions along the Ohio River valley, Anton H. Maria (editor) and Ronald C. Counts (editor))
Field Guide (Geological Society of America) (2008) 12: 47-56

Abstract

Enhanced scrubber technology for coal-fired boilers, to be brought online at the Alcoa Warrick Operations Plant in Newburg, Indiana, USA, will generate increased volumes of coal-combustion products. This paper and field trip examine hydrogeological characteristics at the site of a management facility for coal-combustion products currently in development. An exposed highwall strip pit (Y-pit) on abandoned mine lands will be the site for coal-combustion product placement. Hydrogeological monitoring and characterization data for mined area spoils and unmined Paleozoic rocks will be reviewed in the field. Mine spoils at this site display horizontal hydraulic conductivities that range from 10 (super -3) to 10 (super -8) cm/s, and unmined bedrock varies from 10 (super -7) to 10 (super -3) cm/s. Groundwater at the B-2 site in shallow spoils near the Y-pit displays responses to precipitation events, and groundwater levels at the B-5 site in the unmined bedrock display Earth-tide responses. The Y-pit has variable hydrogeologic regimes along its length, including areas of flow-through and discharge. Groundwater discharge gradients increased markedly during periods of drought. Groundwater recharge gradients in the flow-through area decreased during drought conditions. Spoils groundwater is dominantly a highly mineralized water rich in calcium sulfate, and bedrock groundwater is highly mineralized water rich in sodium sulfate/chloride. Y-pit surface water most closely resembles spoils groundwater. Both the mine spoils and unmined bedrock groundwater samples have concentrations of arsenic that exceed the primary drinking water standard.


ISSN: 2333-0937
EISSN: 2333-0945
Serial Title: Field Guide (Geological Society of America)
Serial Volume: 12
Title: Hydrogeology of an abandoned mine-land site for management of coal-combustion products
Title: From the Cincinnati Arch to the Illinois Basin; geological field excursions along the Ohio River valley
Author(s): Doss, Paul K.Yost, RonFuller, Don
Author(s): Maria, Anton H.editor
Author(s): Counts, Ronald C.editor
Affiliation: University of Southern Indiana, Geology Department, Evansville, IN, United States
Affiliation: University of Southern Indiana, Geology and Physics Department, Evansville, IN, United States
Pages: 47-56
Published: 2008
Text Language: English
Publisher: Geological Society of America, Boulder, CO, United States
ISBN: 978-0-8137-0012-0
References: 4
Accession Number: 2008-114527
Categories: Environmental geologyHydrogeology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sect., 1 table, sketch maps
N37°49'60" - N38°15'00", W87°30'00" - W87°00'00"
Secondary Affiliation: Kentucky Geological Survey, USA, United StatesFuller Mossbarger Scott and May Engineers, USA, United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2019, American Geosciences Institute.
Update Code: 200843
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