Recent developments in uranium exploration using the U.S. geological survey's mobile helium detector
Journal of Geochemical Exploration
By: G. M. Reimer, E.H. Denton, I. Friedman, and J. K. Otton
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Abstract
A mobile mass spectrometer to measure He concentrations has been developed by the U.S. Geological Survey. This instrument has been tested in areas of known uranium deposits, and He anomalies have been found in both soil gas and water. A gas sample is collected in a hypodermic syringe, injected into the spectrometer, and analyzed for He. Over 100 analyses a day can be performed with a sensitivity of 10 parts per billion (ppb). One detailed study conducted in Weld County, Colorado, shows that values for He in soil gas can be contoured to outline an anomalous area and that the anomaly is displaced from the deposit in the direction of groundwater flow. Other studies include the Schwartzwalder uranium mine, Jefferson County, Colorado, where He anomalies may be related to geologic structure; near Ambrosia Lake, New Mexico, where the location of He anomalies are related to groundwater movement; and tests for diurnal effects showing only slight variations probably related to soil-moisture content. ?? 1979.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Recent developments in uranium exploration using the U.S. geological survey's mobile helium detector |
| Series title | Journal of Geochemical Exploration |
| Volume | 11 |
| Issue | 1 |
| Year Published | 1979 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geochemical Exploration |
| First page | 1 |
| Last page | 12 |
| Google Analytic Metrics | Metrics page |