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Regional soil-gas helium distribution of the Ely and Delta 1?? ?? 2?? quadrangles, Basin and Range Province

Journal of Geochemical Exploration

By:
and

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Abstract

A reconnaissance soil-gas helium survey was made in the Ely, Nevada and Delta, Utah 1?? ?? 2?? quadrangles in the Basin and Range Province. Helium concentrations in 510 samples ranged from -147 to 441 ppb He with respect to ambient air. The median helium value for the study area was 36 ppb. Concentrations of more than 100 ppb He and less than -20 ppb He occur more commonly in the Ely quadrangle and are especially numerous in the western one-half of this quadrangle. Interpretation of the data reveals that the helium concentrations reflect the rock type, particularly the silicic volcanic occurrences, and the geological structure of the area created by crustal extension. The regional soil-gas helium distribution is important information to consider when interpreting anomalies from detailed surveys. ?? 1990.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Regional soil-gas helium distribution of the Ely and Delta 1?? ?? 2?? quadrangles, Basin and Range Province
Series title:
Journal of Geochemical Exploration
Volume
38
Issue:
1-2
Year Published:
1990
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Geochemical Exploration
First page:
193
Last page:
203
Number of Pages:
11