USGS Scientific Investigations Map 2831

In cooperation with the U.S. Army

Geologic Framework and Hydrogeologic Characteristics of the Glen Rose Limestone, Camp Stanley Storage Activity, Bexar County, Texas

By Allan K. Clark

U.S. Geological Survey
Scientific Investigations Map 2831

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Contents

Introduction

Methods of Investigation

Acknowledgments

Geologic Framework

General Features

Stratigraphy

Hydrogeologic Characteristics

Faults and Fractures

Observed Porosity and Permeability

Summary

References

Figures

1.	Map showing outcropping hydrogeologic subdivisions and lower member of the Glen Rose Limestone, Camp Stanley Storage Activity and immediately adjacent area, Bexar County, Texas
2.	Conceptional model of a relay ramp (a) plan view, and (b) oblique views before and after the occurrence of fault displacement and surface deformation, showing hypothetical undeformed lines AB and CD and deformed lines A'B' and C'D'
3.	Rose diagram showing orientation of observed fractures, Camp Stanley Storage Activity and immediately adjacent area, Bexar County, Texas
4.	Section A–A', south to north, Camp Stanley Storage Activity, Bexar County, Texas
5.	Section B–B', west to northeast, Camp Stanley Storage Activity, Bexar County, Texas

Table

1.	Summary of the lithologic and hydrogeologic properties of the hydrogeologic subdivisions of the Glen Rose Limestone and associated units that crop out, Camp Stanley Storage Activity and immediately adjacent area, Bexar County, Texas

VERTICAL DATUM

Vertical coordinate information is referenced to the National Geodetic Vertical Datum of 1929 (NGVD 29).

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U.S. Department of the Interior, U.S. Geological Survey Persistent URL: http://pubsdata.usgs.gov/pubs/sim/2005/2831/ Page Contact Information: USGS Publishing Network Last modified: Thursday, December 01 2016, 05:02:45 PM