Title

Acidic mine drainage in carbonate terrains: geochemical processes and rates of calcite dissolution

Document Type

Article

Publication Date

6-1-1993

Abstract

In situ rates of calcite dissolution were measured by weight loss of single crystals placed in an East Tennessee stream that is affected by acidic mine drainage. The dissolution rates ranged from 2.6 × 10-8 to 7.9 × 10-8 mmol cm-2 s-1 over the entire pH range of 3.6-7.7. Calcite dissolution rates were several orders of magnitude slower than observed in laboratory solutions of CO2-HCl-H2O-CaCO3 and appeared to be inhibited by dissolved iron and possibly other solutes in the stream. © 1993.

Publication Source (Journal or Book title)

Journal of Hydrology

First Page

13

Last Page

27

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