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Bureau of Economic Geology Publications

Title Publication Year Abstract Author Publisher
The Hazel copper-silver mine, Culberson County, Texas The Hazel copper-silver mine, Culberson County, Texas 1952

The Hazel mine is one of the oldest mines in Texas and has been the largest copper-producing property in the State.

Flawn, P.T. Bureau of Economic Geology
Geologic Map of the Crabapple Creek Quadrangle Gillespie and Llano Counties, Texas Geologic Map of the Crabapple Creek Quadrangle Gillespie and Llano Counties, Texas 1952 Barnes, V.E. Bureau of Economic Geology
High purity Marble Falls limestone, Burnet County, Texas High purity Marble Falls limestone, Burnet County, Texas 1952

Chemical analyses show that a reef approximately 100 feet thick in the lower portionof the Marble Falls limestone near Marble Falls, Burnet County, Texas, is exceptionally pure.

Barnes, V.E. Bureau of Economic Geology
Geologic map of the Willow City quadrangle, Gillespie and Llano Counties, Texas Geologic map of the Willow City quadrangle, Gillespie and Llano Counties, Texas 1952 Barnes, V.E. Bureau of Economic Geology
Geologic Map of the Blowout Quadrangle, Blanco, Gillespie, and Llano Counties, Texas Geologic Map of the Blowout Quadrangle, Blanco, Gillespie, and Llano Counties, Texas 1952 Barnes, V.E. Bureau of Economic Geology
Geologic map of the Spring Creek Quadrangle, Gillespie County, Texas Geologic map of the Spring Creek Quadrangle, Gillespie County, Texas 1952 Barnes, V.E. Bureau of Economic Geology
Geologic map of the Live Oak Creek Quadrangle, Gillespie County, Texas Geologic map of the Live Oak Creek Quadrangle, Gillespie County, Texas 1952 Barnes, V.E. Bureau of Economic Geology
Geologic map of the Palo Alto Creek Quadrangle, Gillespie County, Texas Geologic map of the Palo Alto Creek Quadrangle, Gillespie County, Texas 1952

Palo Alto Creek quadrangle is south of the Llano region and is in the marginal portion of the Edwards Plateau where much of the plateau surface has been destroyed by erosion.

Barnes, V.E. Bureau of Economic Geology
Geologic map of the Gold Quadrangle, Gillespie County, Texas Geologic map of the Gold Quadrangle, Gillespie County, Texas 1952 Barnes, V.E. Bureau of Economic Geology
Pegmatites of the Van Horn Mountains, Texas Pegmatites of the Van Horn Mountains, Texas 1951

Zoned and unzoned perthite-quartz-plagioclase-muscovite pegmatites in the form of tabular bodies, irregular bodies with tabular branches, irregular masses, elongate lenses, lit-par-lit zones, and small augen and stringers are distributed throughout the Precambrian metasedimentary rocks of the Mic

Flawn, P.T. Bureau of Economic Geology