Influence of a tundra freeze-thaw cycle on sulfide oxidation and metal leaching in a low sulfur, granitic waste rock

• Published in: Applied Geochemistry
• Main Authors: Langman, J.B. (Jeff B.), Blowes, D.W. (David W.), Amos, R. (Richard), Atherton, C. (Colleen), Wilson, D. (David), Smith, L. (Leslie), Sego, D.C. (David C.), Sinclair, S.A. (Sean A.)
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2017
• Subjects: Differential weathering; Enrichment zone; Freeze-thaw cycle; Metal leaching; Sulfide oxidation; Rock Pile; permafrost; Tundra
• Online Access: https://ir.library.carleton.ca/pub/10493; https://doi.org/10.1016/j.apgeochem.2016.11.010

Drill cuttings were collected at 1 m depths from an instrumented, low sulfur, experimental waste rock pile containing a 4C-pyrrhotite that had been exposed to the extreme freeze-thaw cycle of a tundra climate. Boreholes were drilled from the top to base in the center of the pile and near the core-ba...