| Abstract: | Combining paleomagnetic data for 17 new sites from the northwest portion of the (Oligocene) San Juan volcanic field of southern Colorado with data for 29 sites previously published yields a paleomagnetic pole at 85??N, 114??E (with a 95% confidence circle of 7.5?? radius). A further combination of the San Juan data with the results of other studies on rocks of Oligocene age from tectonically stable parts of North America gives a mid-Tertiary reference pole located at 81??N, 132.5??E, with a confidence circle of approximately 4??. Mid-Tertiary paleomagnetic poles for the western edge of the continent diverge markedly from this reference pole. ?? 1977. |
| Genre: | Article |
| ProdID: | 70009970 |
| Citation Author: | Beck, Jr. , M. E.; Sheriff, S. D.; Diehl, J. F.; Hailwood, E. A.; Lipman, P. W. |
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| Citation End Page: | 130 |
| Citation Issue: | 1 |
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| Citation Language: | English |
| Citation Larger Work Title: | Earth and Planetary Science Letters |
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| Citation Number Of Pages: | 7 |
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| Citation Search Results Text: | Further paleomagnetic results for the San Juan volcanic field of southern Colorado; 1977; Article; Journal; Earth and Planetary Science Letters; Beck, Jr. , M. E.; Sheriff, S. D.; Diehl, J. F.; Hailwood, E. A.; Lipman, P. W. |
| Citation Start Page: | 124 |
| Citation Volume: | 37 |
| Citation Year: | 1977 |
| Type: | citation/reference |
| Text: | Further paleomagnetic results for the San Juan volcanic field of southern Colorado; 1977; Article; Journal; Earth and Planetary Science Letters; Beck, Jr. , M. E.; Sheriff, S. D.; Diehl, J. F.; Hailwood, E. A.; Lipman, P. W. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sat, 1 Jan 1977 00:00 -0600 |
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