Aeromagnetic and gravity studies of theprecambrian in northeastern New Mexico
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Abstract
A contour map of the Precambrian surface for a part of northeastern New Mexico has been prepared from aeromagnetic, gravity, and drill-hole data. The area extends approximately from the Colorado border south to latitude34° N., and from the foothills of the Sangre de Cristo Mountains east to longitude 104° W. Thirty-seven depths to Precambrian rocks were computed from aeromagnetic anomalies. Regional gravityanomalies were generally not suitable for quantitative analysis, but the gravity highs correlated with known areas ofbasement highs, providing a basis for contouring in areas of meager depth control. Drill-hole data provided 61depths to basement in and near the survey area. The contouring along the east edge of the Sangre de Cristo Mountainswas guided by exposures of Precambrian rocks. A principal feature of the contour map is the Sierre Grande Arch, a basement highland that trends southwestacross the area to the northwest part of Guadalupe County. Major depressions are outlined west of Vegas Junction, northeast of Santa Rosa, and north and northeast of Las Vegas. The largest of these, the Las Vegas basin, occupiesmore than 1,000 square miles and may be more than 10,000 ft deep Copyright.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Aeromagnetic and gravity studies of theprecambrian in northeastern New Mexico |
| Series title | Geophysics |
| DOI | 10.1190/1.3301595 |
| Volume | 27 |
| Issue | 3 |
| Year Published | 1962 |
| Language | English |
| Publisher | Society of Exploration Geophysicists |
| Description | 16 p. |
| First page | 343 |
| Last page | 358 |
| Country | United States |
| State | New Mexico |
| Other Geospatial | northeastern New Mexico |
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