| Reference Type | Journal (article/letter/editorial) |
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| Title | The significance of radiometric ages from the Gulquac Lake area of New Brunswick |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Fyffe, L. R. | Author |
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| Cormier, R. F. | Author |
| Year | 1979 (October 1) | Volume | 16 |
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| Issue | 10 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e79-190Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 476082 | Long-form Identifier | mindat:1:5:476082:9 |
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| GUID | 0 |
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| Full Reference | Fyffe, L. R., Cormier, R. F. (1979) The significance of radiometric ages from the Gulquac Lake area of New Brunswick. Canadian Journal of Earth Sciences, 16 (10) 2046-2052 doi:10.1139/e79-190 |
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| Plain Text | Fyffe, L. R., Cormier, R. F. (1979) The significance of radiometric ages from the Gulquac Lake area of New Brunswick. Canadian Journal of Earth Sciences, 16 (10) 2046-2052 doi:10.1139/e79-190 |
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| In | (1979, October) Canadian Journal of Earth Sciences Vol. 16 (10) Canadian Science Publishing |
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| Abstract/Notes | Radiometric dating of igneous rocks in the Gulquac Lake area of west-central New Brunswick confirms that rhyolitic volcanism and shallow granitic intrusive activity were closely associated in time. Rb–Sr whole rock isochrons yield an age of 409 ± 35 Ma for the volcanic rocks and 409 ± 25 Ma from the intrusive rocks (λ = 1.42 × 10−11 year−1). Structural relationships in the area show that emplacement of the granite coincided with an episode of intense faulting and uplift of sillimanite-grade Cambro–Ordovician terrain.The combined radiometric data indicate a minimum age for the Silurian–Devonian boundary of 409 ± 20 Ma. |
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