| Abstract: | Most of the granitic rocks in the Bokan Mountain area, southeastern Alaska, are early Paleozoic (probably Ordovician) judged by potassium-argon and lead-alpha age measurements. The Bokan Mountain Granite, the youngest intrusive unit in the area, belongs to a Mesozoic plutonic episode. These age measurements are the first direct evidence for the emplacement of early Paleozoic granitic intrusive rocks close to the Pacific margin of North America. |
| Genre: | Article |
| ProdID: | 70010833 |
| Citation Author: | Lanphere, M. A.; Mackevett, Jr. , E. M.; Stern, T. W. |
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| Citation End Page: | 707 |
| Citation Issue: | 3633 |
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| Citation Language: | English |
| Citation Larger Work Title: | Science |
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| Citation Number Of Pages: | 3 |
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| Citation Search Results Text: | Potassium-argon and lead-alpha ages of plutonic rocks, Bokan Mountain area, Alaska; 1964; Article; Journal; Science; Lanphere, M. A.; Mackevett, Jr. , E. M.; Stern, T. W. |
| Citation Start Page: | 705 |
| Citation Volume: | 145 |
| Citation Year: | 1964 |
| Type: | citation/reference |
| Text: | Potassium-argon and lead-alpha ages of plutonic rocks, Bokan Mountain area, Alaska; 1964; Article; Journal; Science; Lanphere, M. A.; Mackevett, Jr. , E. M.; Stern, T. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Wed, 1 Jan 1964 00:00 -0600 |
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