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Subarctic Weathering of Mineral Wastes Provides a Sink for Atmospheric CO 2

Date

Authors

Wilson, Siobhan A

Dipple, Greg

Power, Ian M

Barker, Shaun L L

Fallon, Stewart

Southam, Gordon

Publisher

American Chemical Society

Abstract

The mineral waste from some mines has the capacity to trap and store CO2 within secondary carbonate minerals via the process of silicate weathering. Nesquehonite [MgCO3•3H2O] forms by weathering of Mg-silicate minerals in kimberlitic mine tailings at th

Keywords

Keywords: Atmospheric CO; Isotopic data; Mine tailings; Modern carbon; Nesquehonite; Orders of magnitude; Oxygen isotopes; Quantitative estimates; River catchment; Silicate weathering; Stable carbon; Storage facilities; Carbonate minerals; Carbonation; Catchments;

URI

http://hdl.handle.net/1885/31473

Collections

ANU Research Publications

Source

Environmental Science and Technology

Type

Journal article

DOI

10.1021/es202112y

Restricted until

2037-12-31

Downloads

File

Description

01_Wilson_Subarctic_Weathering_of_2011.pdf (3.22 MB)