Distribution of Igneous Rocks in Medina and Uvalde Counties, Texas, as Inferred from Aeromagnetic Data
Scientific Investigations Report
2007-5191
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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.
Suggested Citation
Smith, D.V., McDougal, R., Smith, B.D., Blome, C.D., 2008, Distribution of Igneous Rocks in Medina and Uvalde Counties, Texas, as Inferred from Aeromagnetic Data (Version 1.0): U.S. Geological Survey Scientific Investigations Report 2007-5191, Report: iv, 12 p.; Plate: 17 x 11 inches; Downloads Directory, https://doi.org/10.3133/sir20075191.
ISSN: 2328-0328 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Distribution of Igneous Rocks in Medina and Uvalde Counties, Texas, as Inferred from Aeromagnetic Data |
| Series title | Scientific Investigations Report |
| Series number | 2007-5191 |
| DOI | 10.3133/sir20075191 |
| Edition | Version 1.0 |
| Year Published | 2008 |
| Language | ENGLISH |
| Publisher | Geological Survey (U.S.) |
| Contributing office(s) | U.S. Geological Survey |
| Description | Report: iv, 12 p.; Plate: 17 x 11 inches; Downloads Directory |
| Scale | 250000 |
| Online Only (Y/N) | Y |
| Additional Online Files (Y/N) | Y |