| Abstract: | The Duluth Complex and associated subvolcanic intrusions comprise a large (5000 km2) intrusive complex in northeastern Minnesota that was emplaced into comagmatic volcanics during the development of the 1.1 Ga Midcontinent rift in North America. In addition to anorthositic and felsic intrusions, the Duluth Complex is composed of many individual mafic layered intrusions of tholeiitic affinity. The cumulate stratigraphies and cryptic variations of six of the better exposed and better studied intrusions are described here to demonstrate the variability in their cumulus mineral paragenesis. |
| Genre: | Article |
| ProdID: | 70018709 |
| Citation Author: | Miller, J. D. , Jr; Ripley, E. M. |
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| Citation Editor: | Cawthorn R.G. |
| Citation End Page: | 301 |
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| Citation Language: | English |
| Citation Larger Work Title: | Layered intrusions |
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| Citation Number Of Pages: | 45 |
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| Citation Publisher: | Elsevier; Developments in Petrology |
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| Citation Search Results Text: | Layered intrusions of the Duluth Complex, Minnesota, USA; 1996; Article; Journal; Layered intrusions; Miller, J. D. , Jr; Ripley, E. M. |
| Citation Start Page: | 257 |
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| Citation Year: | 1996 |
| Type: | citation/reference |
| Text: | Layered intrusions of the Duluth Complex, Minnesota, USA; 1996; Article; Journal; Layered intrusions; Miller, J. D. , Jr; Ripley, E. M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Mon, 1 Jan 1996 00:00 -0600 |
| Publisher: | Elsevier; Developments in Petrology |
