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

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

Table of Contents

Entire Guidebook (PDF 3.1 Mb)

• Cover (PDF 578 Kb)
• Contents (PDF 13 Kb)
• Introduction (PDF 159 Kb)
• Chapter 1 (PDF 413 Kb) - Regional geologic setting of South Texas and the Santo Thomas coal deposits
• Chapter 2 (PDF 122 Kb) - The San Pedro and Santo Tomas Coal Beds (Claiborne Group, Eocene) of Webb County, Texas
• Chapter 3 (PDF 338 Kb) - The San Miguel lignite deposit, Jackson Group (Eocene), South Texas
• Chapter 4 (PDF 566 Kb) - Some speculations on coal rank anomalies of the South Texas Gulf Province and adjacent areas of Mexico and their impact on coalbed methane and source rock potential

Group Photo