Exploratory geophysical traverses in the Oakfield Hills area, Smyrna Mills Quadrangle, Maine
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Abstract
Ground magnetic, gravity, and electromagnetic measurements in the Oakfield Hills area have delineated a series of steeply dipping, dikelike rock units with high apparent susceptibility, high density, and often high conductivity. The measurements were made to investigate the source of a 3000-gamma aeromagnetic anomaly. The rock units are apparently a series of lenticular beds of manganese-bearing iron formation which have been thermally metamorphosed by a nearby intrusion. Some of the electromagnetic anomalies are probably caused by the presence of sulfides.
Suggested Citation
Kane, M.F., Bromery, R.W., Frischknecht, F.C., 1963, Exploratory geophysical traverses in the Oakfield Hills area, Smyrna Mills Quadrangle, Maine: U.S. Geological Survey Open-File Report 63-71, Report: 9 p.; 7 Plates: 25.26 x 19.31 inches or smaller, https://doi.org/10.3133/ofr6371.
ISSN: 2331-1258 (online)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Exploratory geophysical traverses in the Oakfield Hills area, Smyrna Mills Quadrangle, Maine |
| Series title | Open-File Report |
| Series number | 63-71 |
| DOI | 10.3133/ofr6371 |
| Year Published | 1963 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | Report: 9 p.; 7 Plates: 25.26 x 19.31 inches or smaller |
| Country | United States |
| State | Maine |
| Other Geospatial | Oakfield Hills area, Smyrna Mills Quadrangle |