The University of Texas at Austin Texas Natural Science Center Non-vertebrate Paleontology Laboratory

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Rocks and Minerals

Basement Collection

Basement rocks are igneous and metamorphic rocks, largely Precambrian in age. They form part of the continental crust and are often deeply buried by younger sedimentary rocks.

"Buried basement rocks of the United States of America and Canada" was a study completed by a group of geologists in 1964. It was headed by William R. Muehlberger (Jackson School of Geosciences).

Rock samples, mineral separations and thin sections used to complete the study are held in this repository.


Igneous rock
Igneous rock thin section. Field of view 1mm, viewed with crossed polars.

Part of the John D. and Clarence W. Moody collection of thin sections donated to the University of Texas. These thin sections contributed greatly to the knowledge of the basement rocks in Texas and New Mexico .


Frequently used abbreviations: NPL  Non-vertebrate Paleontology Laboratory | TNSC Texas Natural Science Center | UTDGS Department of Geological Sciences | BEG  Bureau of Economic Geology | VPL Vertebrate Paleontology Laboratory | JSG  Jackson School of Geosciences | SUPPORT | VOLUNTEER | GLOSSARY

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