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Abstract
This report describes the bituminous coal deposits of the Olmos Formation (Navarro Group, Upper Cretaceous; Figures 1, 2) of Maverick County in south Texas. Although these were not evaluated quantitatively as part of the current Gulf Coastal Plain coal-resource assessment, a detailed review is presented in this chapter.
Prior to the late 1920s, these coal beds were mined underground on a large scale in the vicinity of Eagle Pass, Texas (Figure 1). Since the 1970s, Olmos Formation coals have been mined extensively in both underground and surface mines in nearby Coahuila, Mexico, to supply mine-mouth fuel for power generation at a plant nearby. A tract northeast of Eagle Pass was permitted in the late 1990s for surface mining. In east-central Maverick County, a coalbed methane field is being developed in coal beds of the lower part of the Olmos Formation (Barker et al., 2002; Scott, 2003).
Study Area
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Upper Cretaceous bituminous coal deposits of the Olmos Formation, Maverick County, Texas |
| Series title | AAPG Studies in Geology |
| Chapter | 13 |
| 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 | 277 |
| Last page | 285 |
| Country | United States |
| State | Texas |
| County | Maverick County |
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