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#1 Federal
Enhanced wildfire at the Frasnian-Famennian boundary and its implications for O2 level and F-F mass extinction: evidence from organic petrology and Os isotope stratigraphy
- Organization: Department of the Interior
- Dataset Last Updated: August 19, 2020 at 12:00 AM
In this study, organic petrology and Osmium isotope (187Os/188Os) stratigraphy, major and trace element, and programmed pyrolysis analysis were performed on five outcrop samples from western New...
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- xml
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 04:27 AM
#2 Federal
Geochemical and mineralogical data for Upper Devonian gray, black, and pyritic black shales from the Appalachian Basin
- Organization: Department of the Interior
- Dataset Last Updated: June 26, 2025 at 12:00 AM
Geochemical and mineralogical characterization data was collected for samples of the Upper Devonian Hanover and Dunkirk Formations from outcrops in the Appalachian Basin (Chautauqua County, New...
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- xml
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:47 AM

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