Geohydrology of the San Agustin Basin, Alamosa Creek Basin upstream from Monticello Box, and upper Gila Basin in parts of Catron, Socorro, and Sierra counties, New Mexico
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Abstract
The San Agustin Basin, the Alamosa Creek Basin upstream from Monticello Box, and the upper Gila Basin are located in parts of Catron, Socorro, and Sierra Counties in west-central New Mexico. Four major aquifers are within the study area: (1) the San Agustin bolson-fill aquifer; (2) the Datil aquifer; (3) the shallow upland aquifers; and (4) the Alamosa Creek shallow aquifer. Two minor aquifers, the Baca Formation at the northern edge of the San Agustin Basin and a basalt to basaltic andesite unit overlying the Datil Group, yield some water to wells.
Sixty-three vertical electrical- resistivity soundings were used to estimate the depth to bedrock and the saline/freshwater interface in the San Agustin bolson-fill aquifer. The dissolved-solids concentration of ground-water samples ranged from 74 to 23,500 milligrams per liter. The dominant cations varied; the dominant anion of freshwater generally was bicarbonate. Point-of-discharge temperatures of well or spring water that exceed 21 degrees Celsius are associated with faults in the areas of shallow or exposed bedrock. The dissolved-solids concentration of this warm water ranged from 120 to 1,200 milligrams per liter.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Geohydrology of the San Agustin Basin, Alamosa Creek Basin upstream from Monticello Box, and upper Gila Basin in parts of Catron, Socorro, and Sierra counties, New Mexico |
| Series title | Water-Resources Investigations Report |
| Series number | 94-4125 |
| DOI | 10.3133/wri944125 |
| Year Published | 1994 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | Report: v, 70 p.; 3 Plates: 23.87 x 30.48 inches or smaller |
| Country | United States |
| State | New Mexico |
| County | Catron County, Sierra County, Socorro County |
| Other Geospatial | Alamosa Creek Basin, Gila Basin, San Agustin Basin |
| Google Analytic Metrics | Metrics page |