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Author
Publication Year
1965
Series
Report of Investigations
Abstract

At five places along the outcrop of the Wellborn Formation in Lee and Burleson counties, Texas, anomalously high gamma radiation is associated with concentrations of heavy minerals. The most abundant heavy minerals are ilmenite, magnetite, and zircon. The radiation is emitted by some radioactive element in zircon.

Author
Publication Year
1965
Series
Geological Circular
Abstract

This circular presents the history of "geological survey" in Texas from its beginning in 1858, through its intermittent early history, to [1965]. It also shows that any organization which carried the name "survey" was very short-lived in Texas.

Publication Year
1965
Series
Symposia
Abstract

This volume presents the texts of papers presented at a Symposium...sponsored by the Southwestern Federation of Geological Societies and The University of Texas in Austin, January 29, 1965. Publication was undertaken by the Bureau of Economic Geology in response to numerous requests for copies.

Map Scale
1:24000
Author
Publication Year
1965
Series
Geologic Quadrangle Map
Abstract

Stonewall quadrangle includes part of the southern margin of the Llano region and part of the eastern margin of the Edwards Plateau where most of the plateau suriace has been destroyed by erosion. An east-northeastward-trending lobe of the Edwards Plateau crosses the quadrangle near its southeastern corner.