Late Proterozoic diabase dikes of the New Jersey Highlands; a remnant of Iapetan rifting in the north-central Appalachians
Professional Paper
1565-A
By: R. A. Volkert and J.H. Puffer
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Abstract
Diabase dikes of widespread occurrence intrude only middle Proterozoic rocks in the New Jersey Highlands. These dikes are enriched in TiO2, P2O5, Zr, and light rare earth elements, and have compositions that range from tholeiitic to alkalic. Dike descriptions, field relations, petrography, geochemistry, petrogenesis, and tectonic setting are discussed. The data are consistent with emplacement in a rift-related, within-plate environment and suggest a correlation with other occurrences of late Proterozoic Appalachian basaltic magmatism.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Late Proterozoic diabase dikes of the New Jersey Highlands; a remnant of Iapetan rifting in the north-central Appalachians |
| Series title | Professional Paper |
| Series number | 1565 |
| Chapter | A |
| DOI | 10.3133/pp1565A |
| Edition | - |
| Year Published | 1995 |
| Language | ENGLISH |
| Description | p. A1-A21 |
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