Scientific Investigations Report 2007-5191
 
Abstract
A high-resolution aeromagnetic survey was flown in 2001 over Medina and Uvalde Counties, Texas, as part of a multi-disciplinary investigation of the geohydrologic framework of the Edwards aquifer in south-central Texas. The objective of the survey was to assist in mapping structural features that influence aquifer recharge and ground-water flow. The survey revealed hundreds of magnetic anomalies associated with igneous rocks that had previously been unmapped. This report presents an interpretation of the outcrops and subcrops of igneous rocks, based upon procedures of matched-filtering and potential field modeling. |
Version 1.0 Posted April 2008
Contains: Georeferenced Igneous Rock Outlines in ESRI File Formats. Refer to the metadata file for more information.
|
Smith, D.V., McDougal, R.R., Smith, B.D., and Blome, C.D., 2008, Distribution of igneous rocks in Medina and Uvalde Counties, Texas, as inferred from aeromagnetic data: U.S. Geological Survey Scientific Investigations Report 2007–5191, 12 p., one plate, scale 1:250,000.
Background
Geologic Setting
Data Processing
Interpretation
Summary and Conclusions
References Cited
Appendix. Georeferenced Igneous Rock Outlines in ESRI File Formats
| Document Accessibility: Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Acrobat Reader or similar software is required to view it. Download the latest version of Acrobat Reader, free of charge or go to access.adobe.com for free tools that allow visually impaired users to read PDF files. |
U.S. Department of the Interior | U.S. Geological Survey
URL: http://pubsdata.usgs.gov/pubs/sir/2007/5191/index.html
Questions or Assistance: Contact USGS
Last modified: Thursday, 01-Dec-2016 20:01:43 EST
