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Abstract
Coal deposits of the undivided Wilcox Group and its southern equivalent Indio Formation (Paleogene) of south Texas are among the coal resources that are not evaluated quantitatively in the current Gulf Coastal Plain coal re-source assessment. South Texas Wilcox and Indio coals have not been extensively mined, nor have they been mined commercially for at least the past 60 years. These coals constitute only about 1 percent of the demonstrated coal resources within the Texas Gulf Coastal Province. In contrast to the Wilcox coal resources of the assessed areas of the Sabine uplift of Texas and Louisiana, and of northeast Texas and central Texas (see Warwick et al., 2011a, b, c), Wilcox and Indio coal beds of south Texas are few in number, each generally less than 5 ft thick, and highly discontinuous. Furthermore, analytical data indicate that the sulfur content and ash yields of south Texas Wilcox and Indio coals generally exceed those of other Texas coals. Although these and other factors preclude the likely development of Wilcox or Indio coal resources in the near future, the comparatively elevated rank of these deposits has attracted recent interests related to coalbed methane production (SanFilipo, 1999; Warwick et al., 2002a, 2007b).
Study Area
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Paleogene coal deposits of the Wilcox group and the Indio formation of south Texas |
| Series title | AAPG Studies in Geology |
| Chapter | 11 |
| Volume | 62 |
| Year Published | 2011 |
| Language | English |
| Publisher | American Association of Petroleum Geologists |
| Contributing office(s) | Eastern Energy Resources Science Center |
| Description | 9 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Monograph |
| Larger Work Title | Geologic assessment of coal in the Gulf of Mexico coastal plain |
| First page | 260 |
| Last page | 268 |
| Country | United States |
| State | Texas |
| Google Analytic Metrics | Metrics page |