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Early Tertiary age of pitchstone in the northern Black Hills, SouthDakota
Redden, Jack A; Obradovich, John D; Naeser, Charles W; Zartman, RobertE; Norton, James J (1983) Early Tertiary age of pitchstone in the northern Black Hills, SouthDakota. Science, vol.220, no.4602, pp.1153-1154, 10 Jun 1983
| Authors | Redden, Jack A; Obradovich, John D; Naeser, Charles W; Zartman, RobertE; Norton, James J |
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| Year | 1983 |
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| Title | Early Tertiary age of pitchstone in the northern Black Hills, SouthDakota |
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| Source | Science, vol.220, no.4602, pp.1153-1154, 10 Jun 1983 |
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| ISSN | 0036-8075 |
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| GeoRef | 1983-048809 |
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| Keywords | absolute age; biotite; Black Hills; Cenozoic; dates; Deadwood;fission-track dating; geochronology; glasses; igneous rocks; K/Ar;Lawrence County South Dakota; mica group; nesosilicates;orthosilicates; Paleocene; Paleogene; pitchstone; sheet silicates;silicates; South Dakota; Tertiary; Tomahawk; United States; volcanicrocks; zircon |
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| DOI | 10.1126/science.220.4602.1153 |
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1 sample from this reference
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