Session: Metal Recovery and Remediation at Hard Rock Legacy Mine Sites (GSA Connects 2022 meeting in Denver, Colorado)

Session No. 254

Wednesday, 12 October 2022: 1:30 PM-5:30 PM

607 (Colorado Convention Center)

T54. Metal Recovery and Remediation at Hard Rock Legacy Mine Sites

Society of Economic Geologists; GSA Environmental and Engineering Geology Division; Association of American State Geologists; GSA Geology and Society Division; Geochemical Society

Thomas Crafford and Tanya Gallegos, Advocates

Paper #

Start Time

1:30 PM

Introductory Remarks

254-1

1:35 PM

EVALUATING THE RESOURCE POTENTIAL AND ENVIRONMENTAL CHARACTERISTICS OF MILL TAILINGS AT THE ABANDONED KATHERINE GOLD MINE, LAKE MEAD NATIONAL RECREATION AREA, ARIZONA (Invited Presentation)

SEAL II, Robert¹, WALTON-DAY, Katherine², CAMPBELL, Kate M.³, ANDERSON, Steven¹, BAIR, Lucas⁴, HOPPE, Darryl A.¹, HUBBARD, Bernard⁵, KANE, Tyler J.⁶, KARACAN, C. Ozgen⁷ and STENGEL, Victoria⁸, (1)U.S. Geological Survey, 954 National Center, Reston, VA 20192, (2)U.S. Geological Survey, Denver, CO 80225, (3)U.S. Geological Survey, Geology, Geophysics, & Geochemistry Science Center, Denver, CO 80225, (4)U.S. Geological Survey, Flagstaff, AZ 86001, (5)US Geological SurveyEastern Mineral Resources MS 954, 12201 Sunrise Valley Dr, Reston, VA 20192-0002, (6)U.S. Geological Survey, Boulder, CO 80303, (7)Geology, Energy, and Minerals Science Center, U. S. Geological Survey, 956 National Center, Reston, VA 20192, (8)US Geological Survey, Texas Water Science Center, Geospatial Science Section, 1505 Ferguson Ln, Austin, TX 78754

254-2

1:55 PM

THE STIBNITE GOLD-ANTIMONY PROJECT IDAHO: ISSUES, OPPORTUNITIES AND CHALLENGES IN REDEVELOPMENT OF A MAJOR WWII-ERA CRITICAL MINERALS PRODUCTION SITE (Invited Presentation)

DAIL, Christopher, Perpetua Resources Idaho, Inc., PO Box 429, Donnelly, ID 83615

254-3

2:15 PM

LEGACY GOLD MINES PROVIDE AN OPPORTUNITY TO PRODUCE METALS DURING RECLAMATION – AN EXAMPLE FROM THE GOLD-PYRITE BELT OF VIRGINIA

SPEARS, David, Geology and Minerals Program, Virginia Department of Energy, 900 Natural Resources Dr Ste 500, Charlottesville, VA 22903-3171 and BUSCH Jr., P.M., Big Dawg Resources LLC, 5134 Cartersville Road, New Canton, VA 23123

254-4

2:30 PM

Withdrawn

254-5

2:45 PM

USE OF A BATCH-ALKALINITY TEST TO DETERMINE THE CONTRIBUTION OF MINE-DRAINAGE SEDIMENTS TO NET ALKALINITY

VESPER, Dorothy, Dept. of Geology & Geography, West Virginia University, Morgantown, WV 26506 and LEI, Lili, Environmental Science, Sweet Briar College, Sweet Briar, VA 24595

3:00 PM

Break

254-6

3:15 PM

GERMANIUM REDISTRIBUTION DURING WEATHERING OF ZN MINE WASTES: IMPLICATIONS FOR ENVIRONMENTAL MOBILITY AND RECOVERY OF A CRITICAL MINERAL

WHITE, Sarah Jane¹, PIATAK, Nadine², MCALEER, Ryan³, HAYES, Sarah², SEAL II, Robert², SCHAIDER, Laurel A.⁴ and SHINE, James P.⁵, (1)U.S. Geological Survey, 954 National Center, Reston, VA 20192; Harvard T.H. Chan School of Public Health, Boston, MA 02115, (2)U.S. Geological Survey, 954 National Center, Reston, VA 20192, (3)U.S. Geological Survey, Florence Bascom Science Center, MS 926A National Center, Reston, VA 20192, (4)Silent Spring Institute, Newton, MA 02460; Harvard T.H. Chan School of Public Health, Boston, MA 02115, (5)Harvard T.H. Chan School of Public Health, Boston, MA 02115

254-7

3:30 PM

THE IMPORTANCE OF MINERALOGY IN EVALUATING RECOVERY OF CRITICAL MINERALS AND OTHER METALS FROM MINE WASTE: AN EXAMPLE FROM A PORPHYRY CU MINE

PIATAK, Nadine¹, SEAL II, Robert¹, HOPPE, Darryl A.¹ and BIRD, Taylor², (1)U.S. Geological Survey, 954 National Center, Reston, VA 20192, (2)Rio Tinto Kennecott, 4700 Daybreak Parkway, South Jordon, UT 84095

254-8

3:45 PM

A GEOMETALLURGICAL PERSPECTIVE ON RESOURCE ESTIMATION AT LEGACY MINE SITES

TROUBA, Joseph¹, HOLLEY, Elizabeth², SPILLER, Erik¹, ZARONIKOLA, Nina¹ and EGGERT, Roderick¹, (1)Colorado School of Mines, 1600 Illinois Street, Golden, CO 80401, (2)Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois St., Golden, CO 80401

254-9

4:00 PM

PRIORITIZATION OF LEGACY MINE SITES FOR WORK: THE LARGEST PAST PRODUCERS OF BASE METALS, PRECIOUS METALS, AND CRITICAL MINERALS IN THE US

MAUK, Jeffrey, FUNK, Jonathan, BOARDMAN-LARSON, Emma, KARL, Nick, MELENDEZ, Jacob, NOVAKOVICH, Cheryl L. and SAN JUAN, Carma, USGS, Geology, Geophysics, and Geochemistry Science Center, P.O. Box 25046, MS 973, Denver, CO 80225

4:15 PM

Discussion

Recorded Presentation

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