Grants and Contracts Details
Description
Title:
Controls of dolomitization on matrix porosity and its effect on cave passage formation as inferred from
numerical simulations based on geochemical and experimental analyses
Abstract:
The objective of the proposed research is to determine how the nature of dolomitization governs the
physico-chemical properties of dolomites, which in turn control their susceptibility to cave passage
formation. The central hypothesis is that the original sediment fabric and the nature of the
dolomitization mechanism play the primary control on the development and distribution of matrix
porosity. Besides fractures, matrix porosity controls the development and distribution of flow paths of
the dissolving fluids. We propose to sample and analyze dolomites with varying degree of resistance to
karstification in order to determine the nature of dolomitization, characterize dissolution fronts, output
solution chemistry and mass-transfer, and to determine the amount and distribution of pore types in
natural and experimentally altered dolomites. The proposed research is innovative because it will apply
a novel combination of advanced geochemical techniques with experimental dissolution studies and
numerical simulation to explain karstification processes in dolomites.
Status | Finished |
---|---|
Effective start/end date | 10/1/20 → 11/30/21 |
Funding
- New Mexico Institute of Mining and Technology: $24,934.00
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