Huminite reflectance measurements of Paleocene and Upper Cretaceous coals from borehole cuttings, Zavala and Dimmit counties, South Texas
Open-File Report
2005-1144
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Abstract
The reflectance of huminite in 19 cuttings samples was determined in support of ongoing investigations into the coal bed methane potential of subsurface Paleocene and Upper Cretaceous coals of South Texas. Coal cuttings were obtained from the Core Research Center of the Bureau of Economic Geology, The University of Texas at Austin. Geophysical logs, mud-gas logs, driller's logs, completion cards, and scout tickets were used to select potentially coal-bearing sample suites and to identify specific sample depths. Reflectance measurements indicate coals of subbituminous rank are present in a wider area in South Texas than previously recognized.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Huminite reflectance measurements of Paleocene and Upper Cretaceous coals from borehole cuttings, Zavala and Dimmit counties, South Texas |
| Series title | Open-File Report |
| Series number | 2005-1144 |
| DOI | 10.3133/ofr20051144 |
| Edition | Online Version 1.0 |
| Year Published | 2005 |
| Language | ENGLISH |
| Description | 14 p. |
| Google Analytic Metrics | Metrics page |