Now showing items 1-10 of 40
Petrography, northern Davis Mountains, Trans-Pecos, Texas
The northern Davis Mountains are composed of Tertiary volcanic rocks of the group. This group, resting unconformably on southward dipping Cretaceous strata, contains a basal conglomerate and 1,500-2,000 feet of alternating ...
Geology of Chinati Peak Quadrangle Trans-Pecos Texas
In the Chinati Mountains, Presidio County, Texas, a stratigraphic sequence of more than 15,000 feet of Paleozoic, Mesozoic, and Cenozoic rocks is exposed. Of five Paleozoic formations, aggregating 8,000 feet, the Cieneguita ...
Geology of Muldoon area, Fayette County, Texas
This paper presents a detailed geologic map of the Muldoon area, southwestern Fayette County, Texas. Strata outcropping in the area are the upper Yegua formation of the upper Claiborne group, the Caddell, Wellborn, Manning, ...
Carboniferous stratigraphy of the Hall area, San Saba County, Texas
Detailed mapping of Carboniferous rocks westward from areas mapped by Bogardus and Oden shows that rock units within the Marble Falls formation are traceable across "Cavern Ridge" a "barrier" invented by Plummer and referred ...
A sociological analysis of Ibn Khaldun's theory : a study in the sociology of knowledge
Ibn Khaldun is a great Moslem thinker of the fourteenth century (b. 1332, d. 1406 A. D.). Modern writers are inclined to consider him as a pioneer or a precursor in the science of society and the philosophy of history. ...
Shallow marine sediments offshore from the Brazos River, Texas
Bottom sediment from a 750-square-mile area offshore from the mouth of the Brazos River, Texas, has been analyzed statistically to determine the pattern and processes of sedimentation of the neritic environment and of a ...