| Abstract: | Granite gneiss, with an age of approximately 2.5 billion years, in the Black Hills, South Dakota , provides a link betweeen ancient rocks in western Wyoming and Montana and in eastern North and South Dakota and Minnesota. The discovery suggests that early Precambrian rocks covered an extensive area in northcentral United States and were not restricted to several small nuclei. |
| Genre: | Article |
| ProdID: | 70010765 |
| Citation Author: | Zartman, R. E.; Norton, J. J.; Stern, T. W. |
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| Citation End Page: | 481 |
| Citation Issue: | 3631 |
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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: | Ancient granite gneiss in the Black Hills, South Dakota; 1964; Article; Journal; Science; Zartman, R. E.; Norton, J. J.; Stern, T. W. |
| Citation Start Page: | 479 |
| Citation Volume: | 145 |
| Citation Year: | 1964 |
| Type: | citation/reference |
| Text: | Ancient granite gneiss in the Black Hills, South Dakota; 1964; Article; Journal; Science; Zartman, R. E.; Norton, J. J.; 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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