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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 30 (1946)

Issue: 10. (October)

First Page: 1742

Last Page: 1746

Title: Algae Reefs in Cap Rock of Ogallala Formation on Llano Estacado Plateau, New Mexico and Texas

Author(s): W. Armstrong Price (2), Maxim K. Elias (3), John C. Frye (4)

Abstract:

Discovery is announced of reef bodies in the Ogallala cap rock on the Llano Estacado Plateau of New Mexico and Texas, similar to those previously described by Elias from a limestone in the same position in Kansas and elsewhere on the Northern High Plains.

The characteristic concretionary structure of the reefs is widely but not universally repeated--with and without observed reef bodies--in the upper part of the Ogallala cap rock, and in post-Ogallala limestone cap rocks of basin deposits of the plateau and of the Mescalero pediment between the plateau and Pecos River.

A syngenetic origin for many of the banded concretionary bodies is preferred, while the formerly advanced post-depositional hypothesis of Price may apply to others.

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