Sequential Extraction Results and Mineralogy of Mine Waste and Stream Sediments Associated With Metal Mines in Vermont, Maine, and New Zealand

Piatak, N. M.; Seal, R. R., II; Sanzolone, R. F.; Lamothe, P. J.; Brown, Z. A.; Adams, M.

Abstract:

We report results from sequential extraction experiments and the quantitative mineralogy for samples of stream sediments and mine wastes collected from metal mines. Samples were from the Elizabeth, Ely Copper, and Pike Hill Copper mines in Vermont, the Callahan Mine in Maine, and the Martha Mine in New Zealand. The extraction technique targeted the following operationally defined fractions and solid-phase forms: (1) soluble, adsorbed, and exchangeable fractions; (2) carbonates; (3) organic material; (4) amorphous iron- and aluminum-hydroxides and crystalline manganese-oxides; (5) crystalline iron-oxides; (6) sulfides and selenides; and (7) residual material. For most elements, the sum of an element from all extractions steps correlated well with the original unleached concentration. Also, the quantitative mineralogy of the original material compared to that of the residues from two extraction steps gave insight into the effectiveness of reagents at dissolving targeted phases. The data are presented here with minimal interpretation or discussion and further analyses and interpretation will be presented elsewhere.

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USGS Numbered Series

ProdID:

79753

Citation Author:

Piatak, N. M.; Seal, R. R., II; Sanzolone, R. F.; Lamothe, P. J.; Brown, Z. A.; Adams, M.

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Geological Survey (U.S.)

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ENGLISH

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iv, 34 p.

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Prepared in cooperation with U.S. Environmental Protection Agency

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Open-File Report

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OFR

Citation Series Number:

2007-1063

Citation Search Results Text:

Sequential Extraction Results and Mineralogy of Mine Waste and Stream Sediments Associated With Metal Mines in Vermont, Maine, and New Zealand; 2007; OFR; 2007-1063; Piatak, N. M.; Seal, R. R., II; Sanzolone, R. F.; Lamothe, P. J.; Brown, Z. A.; Adams, M.