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Depositional Settings of Texas Lignites: Dallas to San Antonio, Texas, July 4 - 8, 1989, Volume T173

Depositional Settings of Texas Lignites: Dallas to San Antonio, Texas, July 4 - 8, 1989, Volume T173

Walter B. Ayers Jr. (Editor), John A. Breyer (Editor), Robert B. Finkelman (Editor)

ISBN: 978-1-118-66943-3

Mar 2013, American Geophysical Union

37 pages

Select type: O-Book

Description

Published by the American Geophysical Union as part of the Field Trip Guidebooks Series, Volume 173.

Worldwide, coal is the most abundant fossil-fuel resource. Low-rank coal (subbituminous and lignite) constitutes 29 percent of the proved recoverable reserves1 in the world and 43 percent of those reserves in the U.S., which contains the greatest proved recoverable reserves of low-rank coals (Table 1)(NCA, 1986). In 1984, 26 percent of the coal produced in the world was lignite, and Germany (DR) led all lignite producers (Table 1).

Coal makes up 72 percent of the U.S. fossil-fuel resource; however, it accounts for only 23 percent of the energy consumed (Halbouty, 1988; Tellmann, 1988). Coal production is one of the largest industries in the U.S., where coal is used primarily to generate electricity. In 1987, electric utilities used 78 percent of the domestic production to generate 57 percent of the electricity used in the U.S. (Landmarc, 1988; Tellmann, 1988). Other coal markets include general industry, steel manufacturing, and exportation.

Introduction 1

Cities Visited During Field Trip 3

Geologic Settings of Lignite in the Wilcox Group of East-Central Texas and the Jackson Group
of South Texas
W.B. Ayers, Jr. 5

Evidence for Estuarine Sedimentation in Wilcox (paleogene) Deposits at the Big Brown Lignite Mine
J. A. Breyer 17

Geology of the Jewett Lignite Mine
M.P. Palmquist 23

Geology of Sandow Lignite Mine, Lower Calvert Bluff Fonnation, East-Central Texas
W.B. Ayers, Jr. 26

Geology of Elgin-Butler Clay Pits
W.B. Ayers, Jr, 31

Depositional Setting of the San Miguel Lignite Mine, Jackson Group (Eocene), South Texas
W.B. Ayers, Jr 33