| Abstract: | WE have previously arrived at an age of 3,550 Myr for granitic1 gneiss in the vicinities of Morton and Montevideo in the Minnesota River valley, south-western Minnesota. We now report new Rb-Sr analyses (Table 1) and an age of 3,800 Myr for the fine grained foliated phase of the Montevideo Gneiss of Lund2. The rocks have undergone a complex history of metamorphism which remains to be deciphered, but the age determinations reveal that the geological mapping and previous interpretations did not provide a proper basis for sampling. ?? 1974 Nature Publishing Group. |
| Genre: | Article |
| ProdID: | 70001295 |
| Citation Author: | Goldich, S. S.; Hedge, C. E. |
| Citation Contributing Office: | |
| Citation Datum: | |
| Citation Day: | |
| Citation Edition: | |
| Citation Editor: | |
| Citation End Page: | 468 |
| Citation Issue: | 5483 |
| Citation Keywords: | |
| Citation Language: | English |
| Citation Larger Work Title: | Nature |
| Citation LatN: | |
| Citation LatS: | |
| Citation LonE: | |
| Citation LonW: | |
| Citation Month: | |
| Citation No Pagination: | |
| Citation Number Of Pages: | |
| Citation Online Only Flag: | |
| Citation Phsyical Description: | |
| Citation Projection: | |
| Citation Public Comments: | |
| Citation Publisher: | |
| Citation Series: | |
| Citation Series Code: | |
| Citation Series Number: | |
| Citation Search Results Text: | 3,800-Myr granitic gneiss in South-Western Minnesota; 1974; Article; Journal; Nature; Goldich, S. S.; Hedge, C. E. |
| Citation Start Page: | 467 |
| Citation Volume: | 252 |
| Citation Year: | 1974 |
| Type: | citation/reference |
| Text: | 3,800-Myr granitic gneiss in South-Western Minnesota; 1974; Article; Journal; Nature; Goldich, S. S.; Hedge, C. E. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1038/252467a0 |
| Date Other: | Tue, 28 Sep 2010 23:09 -0500 |
| Publisher: | |
