Gravity and magnetic evidence for a granitic intrusion near Wahmonie Site, Nevada Test Site, Nevada
Gravity and magnetic data outline a broad anomaly near Wahmonie Site, Nye County, Nevada. A positive 15-mGal gravity anomaly with a steep western gradient and a broad magnetic anomaly coincident with the gravity high characterize the area. Two-dimensional computer models of the gravity data were made using magnetic, seismic, and electric data as independent constraints. The models indicate the presence of a shallow, relatively high density body of 2.65 kg m{sup -3} buried near Wahmonie Site. Aeromagnetic and ground magnetic data also indicate the presence of a large, shallow body. Two smaller local magnetic highs that occur along a magnetic prominence extending northward from the broad anomaly directly correlate to granodiorite outcrops. This indicates that the main anomaly is produced by a large shallow intrusion.
- Research Organization:
- USGS Western Region, Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AI08-78ET44802
- OSTI ID:
- 59760
- Journal Information:
- Journal of Geophysical Research, Vol. 89, Issue B11; Other Information: PBD: 10 Oct 1984
- Country of Publication:
- United States
- Language:
- English
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