https://www.usgs.gov/publications/bulk-chemical-analyses-petrographic-thin-sections-rocks-samli-area-western-turkey
Petrographic thin sections have been analyzed for their major-element composition using a fusion-dilution technique and measuring the intensity of X-rays by...
bulk chemicalanalysespetrographicthinsections
https://www.usgs.gov/publications/petrographic-and-vitrinite-reflectance-analyses-a-suite-high-volatile-bituminous-coal
This report presents vitrinite reflectance and detailed organic composition data for nine high volatile bituminous coal samples. These samples were selected to...
vitrinite reflectancepetrographicanalysessuitehigh