Catalog - Data.gov

Found 3 datasets matching filters.

#1 Federal
Coking coal of the United States: Modern and historical locations of coking coal mining locations and chemical, rheological, petrographic, and other data from modern samples
- Organization: Department of the Interior
- Updated: 2020-09-30T00:00:00Z
For the open-file report we collected new coking coal samples from Alabama, Kentucky, Oklahoma and Arkansas and analyzed them for proximate and ultimate analyses; calorific value; sulfur forms;...
- xml
- xml
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03
#2 Federal
Reflectance data from figures in: Using X-ray spectrum of carbon in electron microprobe analysis to determine thermal maturity of organic matter in mudstones
- Organization: Department of the Interior
- Updated: 2026-01-21T00:00:00Z
Conventional methods of assessing organic matter (OM) thermal maturity have limitations and often fail to reflect the geochemical heterogeneity between individual organic phases in mudstone...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03
#3 Federal
Data release for mean random reflectance for products of hydrous pyrolysis experiments on artificial rock mixtures of humic Wyodak-Anderson coal (2018)
- Organization: Department of the Interior
- Updated: 2020-08-19T00:00:00Z
Mean random vitrinite reflectance (Ro) is the most widely accepted method to determine thermal maturity of coal and other sedimentary rocks. However, oil-immersion Ro of polished rock or kerogen...
- xml
- xml
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03

Filter selections are applied on each click

Looking for U.S. government information and services?

Visit USA.gov

Draw a geographic box

Coking coal of the United States: Modern and historical locations of coking coal mining locations and chemical, rheological, petrographic, and other data from modern samples

Reflectance data from figures in: Using X-ray spectrum of carbon in electron microprobe analysis to determine thermal maturity of organic matter in mudstones

Data release for mean random reflectance for products of hydrous pyrolysis experiments on artificial rock mixtures of humic Wyodak-Anderson coal (2018)