| Abstract: | Volcanism migrated southward in the northern Basin and Range province in the Oligocene and early Miocene to produce voluminous calcalkaline silicic ash flow tuffs. Alkaline volcanism became dominant by middle Miocene (17-14 Ma) as smaller volumes of rhyolite-trachyte-basalt suites were erupted from the relatively small Kane Springs Wash caldera complex in southeastern Nevada. Only minor extension affected the Kane Wash area before the end of calcalkaline activity, but extension expressed by rate of progressive stratal tilt peaked (15-13.5 Ma) with peralkaline magmatism (14.7-14.4 Ma). Variations in distribution, degree, style, and timing of deformation demonstrate heterogeneous extension in the Kane Wash area. Only minor extension and tilting persisted post-middle Miocene (<12 Ma). All major eruptive sources overlap domains of rapid extension. -from Authors |
| Genre: | Article |
| ProdID: | 70019205 |
| Citation Author: | Scott, R. B. |
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| Citation Issue: | B6 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Geophysical Research |
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| Citation Search Results Text: | Relation of peralkaline magmatism to heterogeneous extension during the Middle Miocene, southeastern Nevada; 1995; Article; Journal; Journal of Geophysical Research; Scott, R. B. |
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| Citation Volume: | 100 |
| Citation Year: | 1995 |
| Type: | citation/reference |
| Text: | Relation of peralkaline magmatism to heterogeneous extension during the Middle Miocene, southeastern Nevada; 1995; Article; Journal; Journal of Geophysical Research; Scott, R. B. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Sun, 1 Jan 1995 00:00 -0600 |
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