| Reference Type | Journal (article/letter/editorial) |
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| Title | Geochemistry of Siluro-Devonian Tobique volcanic belt in northern and central New Brunswick (Canada): tectonic implications |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Dostal, J. | Author |
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| Wilson, R. A. | Author |
| Keppie, J. D. | Author |
| Year | 1989 (June 1) | Volume | 26 |
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| Issue | 6 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e89-108Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 480542 | Long-form Identifier | mindat:1:5:480542:1 |
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| GUID | 0 |
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| Full Reference | Dostal, J., Wilson, R. A., Keppie, J. D. (1989) Geochemistry of Siluro-Devonian Tobique volcanic belt in northern and central New Brunswick (Canada): tectonic implications. Canadian Journal of Earth Sciences, 26 (6) 1282-1296 doi:10.1139/e89-108 |
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| Plain Text | Dostal, J., Wilson, R. A., Keppie, J. D. (1989) Geochemistry of Siluro-Devonian Tobique volcanic belt in northern and central New Brunswick (Canada): tectonic implications. Canadian Journal of Earth Sciences, 26 (6) 1282-1296 doi:10.1139/e89-108 |
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| In | (1989, June) Canadian Journal of Earth Sciences Vol. 26 (6) Canadian Science Publishing |
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| Abstract/Notes | Siluro-Devonian volcanic rocks of the northwestern mainland Appalachians are found mainly in the Tobique belt of New Brunswick where they consist predominantly of bimodal mafic–felsic suites erupted in a continental-rift environment. The axis of the Tobique rift trends north-northeast – south-southwest, obliquely to the regional northeast–southwest trend of the Appalachians. These geometric relationships are interpreted as being the result of rifting in a sinistral shear regime produced during emplacement of the Avalon terrene. The basaltic rocks are continental tholeiites and transitional basalts derived from a heterogeneous upper-mantle source that was enriched in incompatible elements relative to the primordial mantle. The mantle source was probably affected by the subduction processes. |
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