Mineral Carbon Capture and Storage in Igneous Rocks
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Environmental Mineralogy and Biogeochemistry".
Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 4227
Special Issue Editor
2. Marine Geology and Geophysics, Division of Ocean Sciences (OCE), National Science Foundation, Alexandria, VA 22314, USA
Interests: mineral carbon capture; CO2 fixation; CO2 sequestration; mineral carbonation; mineral storage; basalt carbonation; ultramafic carbonation
Special Issue Information
Dear Colleagues,
Reduction of ever-increasing greenhouse gas emissions and mitigation of the effects of increasing atmospheric concentrations of these gases are among the most pressing challenges to society in this century. In situ mineral carbonation provides an effective means to achieve this. Geological carbon capture—via fluid–rock reactions that remove carbon from air or surface waters—provides an alternative to industrial CO2 capture and transport. Near-surface reaction of CO2-bearing fluids with silicate minerals in ultramafic and mafic rocks (e.g., chemical weathering of peridotites and basalts) produces stable carbonate minerals. The chemical weathering of silicate rocks is the principal mechanism by which the Earth regulates atmospheric CO2 concentrations over geological timescales to maintain Earth’s climate within a relatively narrow temperature window of habitability. Ca–Mg–Fe carbonate products of the chemical weathering process are essentially permanently stable at surface and near-surface conditions in contrast to mechanical trapping of CO2 in other types of reservoirs that are susceptible to leakage. Among commonly proposed CO2 storage techniques, the injection of anthropogenic CO2 into deep basalt and peridotite formations is quite promising due to their large potential storage capacity and broad geographic distribution. Much research has focused on the petrological, chemical, microbiological, and physical aspects of long-term CO2 storage in mafic and ultramafic rocks. This Special Issue presents current, state-of-the-art research on many aspects pertinent to utilizing and enhancing natural reactions that convert atmospheric CO2 to stable carbonates in mafic and ultramafic rocks.
Dr. Kevin T. M. Johnson
Guest Editor
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Keywords
- Mineral carbon capture
- Geological carbon capture
- Carbon sequestration
- CO2 fixation
- CO2 sequestration
- Mineral carbonation
- Basalt carbonation
- Peridotite carbonation
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