Gases and trace elements in soils at the North Silver Bell deposit, Pima County, Arizona
Journal of Geochemical Exploration
By: M.E. Hinkle and C.A. Dilbert
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Abstract
Soil samples were collected over the North Silver Bell porphyry copper deposit near Tucson, Arizona. Volatile elements and compounds in gases derived from the soils and metallic elements in the soils were analyzed in order: (1) to see which volatile constituents of the soils might be indicative of the ore body or the alteration zones; and (2) to distinguish the ore and alteration zones by comparison of trace elements in the soil.
Plots of analytical data on trace elements in soils indicated a typical distribution pattern for metals around a porphyry copper deposit, with copper, molybdenum, and arsenic concentrations higher over the ore body, and zinc, lead, and silver concentrations higher over the alteration zones.
Higher than average concentrations of helium, carbon disulfide, and sulfur dioxide adsorbed on soils were found over the ore body, whereas higher concentrations of carbon dioxide and carbonyl sulfide were found over the alteration zones.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Gases and trace elements in soils at the North Silver Bell deposit, Pima County, Arizona |
| Series title | Journal of Geochemical Exploration |
| DOI | 10.1016/0375-6742(84)90074-8 |
| Volume | 20 |
| Issue | 3 |
| Year Published | 1984 |
| Language | English |
| Publisher | Elsevier |
| Description | 14 p. |
| First page | 323 |
| Last page | 336 |