Huminite Reflectance Measurements of Paleocene and Upper Cretaceous Coals from Borehole Cuttings, Zavala and Dimmit Counties, South Texas
Entry ID: USGS_OFR_2005_1144

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Summary
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.

[Summary provided by the USGS.]
Related URL
Description: Online report for the Huminite Reflectance Measurements of Paleocene and Upper
Cretaceous Coals from Borehole Cuttings, Zavala and Dimmit Counties, South
Texas.
Geographic Coverage
Spatial coordinates   
  N: 37.14   S: 25.19   E: -92.85   W: -107.31

Data Set Citation
Dataset Originator/Creator: Paul C. Hackley, Robert W. Hook, and Peter D. Warwick
Dataset Title: Huminite Reflectance Measurements of Paleocene and Upper Cretaceous Coals from Borehole Cuttings, Zavala and Dimmit Counties, South Texas
Dataset Release Date: 2005
Dataset Publisher: USGS
Data Presentation Form: online report
Online Resource: http://pubs.usgs.gov/of/2005/1144/
Data Set Progress
COMPLETE
Originating Center
Data Center
Open File Services Section, Publications Warehouse, Eastern Region, Publications, U.S. Geological Survey, U.S. Department of the Interior Supplemental Info
Data Center URL: http://pubs.usgs.gov/of/

Data Center Personnel
Name: USGS OPEN-FILE SERVICES SECTION
Phone: 303-202-4200
Phone: 303-202-4210
Fax: 303-202-4188
Email: infoservices at usgs.gov
Contact Address:
USGS Information Services
Open-File Services Section
Box 25286
Federal Center
City: Denver
Province or State: CO
Postal Code: 80225-0286
Country: USA
Distribution
Distribution Media: Online
Fees: No fees
Personnel
Role: TECHNICAL CONTACT
Phone: 703-648-6458
Fax: 703-648-6419
Email: phackley at usgs.gov
Contact Address:
US Geological Survey
12201 Sunrise Valley Drive Mail Stop 956, 4C304
City: Reston
Province or State: VA
Postal Code: 20192-0002
Country: USA
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Creation and Review Dates
DIF Creation Date: 2005-04-18
Last DIF Revision Date: 2006-08-29
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