Field Trip Guidebook FIELD TRIP GUIDEBOOK
Tertiary Coals in South Texas: Anomalous Cannel-Like Coals of Webb County (Claiborne Group, Eocene) and Lignites of Atascosa County (Jackson Group, Eocene) - Geologic Setting, Character, Source-rock and Coal-bed Methane Potential Field Trip Guidebook FIELD TRIP GUIDEBOOK The 1999 AAPG Annual Convention Energy Minerals Division Field Trip # 15 April 14-15, 1999 Field Trip Leaders: Peter D. Warwick, U.S. Geological Survey, Reston, VA Robert W. Hook, Consultant, Austin, TX John R. SanFilipo, U.S. Geological Survey, Reston, VA Edited by P.D. Warwick, C.E. Aubourg, and J.C. Willett U.S. Geological Survey Open-File Report 99-301 Tertiary Coals in South Texas: Anomalous Cannel-Like Coals of Webb County (Claiborne Group, Eocene) and Lignites of Atascosa County (Jackson Group, Eocene) -- Geologic Setting, Character, Source-rock and Coal-bed Methane Potential Field Trip Guidebook The 1999 AAPG Annual Convention Energy Minerals Division Field Trip # 15 April 14-15, 1999 Leaders: Peter D. Warwick, U.S. Geological Survey, Reston, VA, Robert W. Hook, Consultant, Austin, TX, and John R. SanFilipo, U.S. Geological Survey, Reston, VA Edited by P.D. Warwick, C.E. Aubourg, and J.C. Willett U.S. Department of Interior U.S. Geological Survey Open-File Report 99-301 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigraphic nomenclature. Any use of trade names is for descriptive purposes only and does not imply endorsement by the U.S.G.S. 1999 Copies of this Field Guide are available from: USGS Information Services Box 25286 Denver Federal Center Denver CO 80225-0046 Tel: 303-202-4700; Fax 303-202-4188 or http://energy.er.usgs.gov CONTENTS Introduction Tertiary coals in South Texas: Anomalous cannel-like coals of Webb County (Claiborne Group, Eocene) and lignites of Atascosa County (Jackson Group, Eocene) Peter D.
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