Oxygen-isotope, X-ray-diffraction and scanning-electron-microscope examinations of authigenic-layer-silicate minerals from Mississippian and Pennsylvanian sandstones in the Michigan Basin
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Abstract
Oxygen-isotope compositions of authigenic-layer silicates (<2-micrometer fraction) extracted from Mississippian and Pennsylvanian sandstones in the Lower Peninsula of Michigan were determined. Petrographic and scanning-electron-microscope examinations, and X-ray diffractograms show that chlorite and kaolinite are the most common authigenic-layer silicates in Mississippian sandstones. The range of oxygen-isotope compositions of chlorite and kaolinite are +10.3 to +11.9 and +12.9 to +19.3 pars per thousand (per mil) (relative to Standard Mean Ocean Water), respectively. Kaolinite is the only authigenic-isotopic compositions of kaolinite range from +16.8 to +19.0 per mil.
Study Area
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Oxygen-isotope, X-ray-diffraction and scanning-electron-microscope examinations of authigenic-layer-silicate minerals from Mississippian and Pennsylvanian sandstones in the Michigan Basin |
Series title | Open-File Report |
Series number | 93-103 |
DOI | 10.3133/ofr93103 |
Year Published | 1993 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Lansing, MI |
Contributing office(s) | Michigan Water Science Center |
Description | iv, 15 p. |
Country | United States |
State | Michigan |
Other Geospatial | Michigan Basin |
Google Analytic Metrics | Metrics page |