Publications by DeFord, R.K.
| Title | Publication Year | Abstract | Author | Series | Publisher | |
|---|---|---|---|---|---|---|
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Geologic Atlas of Texas, Emory Peak-Presidio sheet | 1979 | Geologic map that depicts the surface geology of parts of Presidio, Brewster, and Terrell Counties, Texas. The 14-page booklet indicates geologic formations, abbreviations, and ages. |
Barnes, V.E., Geophoto Services Inc., Cities Service Petroleum Co., Mobil Oil Co., Cepeda, N.J., Daugherty, F.W., Brown, J.B., Norman, D.B. | Geologic Atlas of Texas | Bureau of Economic Geology |
|
Geologic Atlas of Texas, Marfa sheet | 1979 | Geologic map that depicts surface geology of parts of Hudspeth, Culberson, Jeff Davis, and Presidio Counties, Texas. The 12-page explanatory booklet indicates geologic formations, abbreviations, and ages. |
Barnes, V.E., Twiss, P.C., Continental Oil Co., Cities Service Petroleum Co., Geophoto Services Inc., Norman, D.M., Sherrod, C.H., Pearson, B.T. | Geologic Atlas of Texas | Bureau of Economic Geology |
|
Geology of Eastern Half of Kent Quadrangle, Culberson, Reeves, and Jeff Davis Counties, Texas | 1962 | Study of Permian, Cretaceous, and Cenozoic rocks in the 30 Kent quad- rangle is important to an understanding of the geology of Trans-Pecos Texas. Most of the Cretaceoua rock units of central Texas lose their lithostratigraphic identity when traced into west Texas. |
Brand, J.P., DeFord, R.K. | Geologic Quadrangle Map | Bureau of Economic Geology |
|
Comanchean Stratigraphy of Kent Quadrangle, Trans-Pecos Texas | 1958 | At the northern end of the Coahuila platform, the thinned Comanchean sequence consists of the newly named Sixshooter group of carbonate formations underlain by the newly named Yearwood formation. |
Brand, J.P., DeFord, R.K. | Report of Investigations | Bureau of Economic Geology |
|
Tertiary formations of Rim Rock country, Presidio County, Trans-Pecos Texas | 1958 | The rim rock of the Vieja Rim, the quartz pantellerite of Lord, is named the Bracks Rhyolite. |
DeFord, R.K. | Report of Investigations | Bureau of Economic Geology |