Results: 1 - 3 of 3
Feb 05, 2020
Data
… data release is a compilation of organic petrography analysis … links to PDF-format files of organic petrography … Geological Survey (2020): Organic Petrography Dataset; …
Feb 28, 1993
Open File Report
… are enriched in humic and other organic acids. These materials are … in soils that are depleted in organic matter. They also appear to …
Feb 15, 2010
Open File Report
… within shaly units with a high organic content (e.g., Base of Fish …