Bowman, Sarah J., Pe-Piper, Georgia, Piper, David J.W., Fensome, Robert A., King, Edward L. (2012) Early Cretaceous volcanism in the Scotian Basin 1This article is one of a series of papers published in this CJES Special Issue on the theme of Mesozoic–Cenozoic geology of the Scotian Basin. Canadian Journal of Earth Sciences, 49 (12) 1523-1539 doi:10.1139/e2012-063
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Early Cretaceous volcanism in the Scotian Basin 1This article is one of a series of papers published in this CJES Special Issue on the theme of Mesozoic–Cenozoic geology of the Scotian Basin. | ||
| Journal | Canadian Journal of Earth Sciences | ||
| Authors | Bowman, Sarah J. | Author | |
| Pe-Piper, Georgia | Author | ||
| Piper, David J.W. | Author | ||
| Fensome, Robert A. | Author | ||
| King, Edward L. | Author | ||
| Year | 2012 (December) | Volume | 49 |
| Issue | 12 | ||
| Publisher | Canadian Science Publishing | ||
| DOI | doi:10.1139/e2012-063Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 484795 | Long-form Identifier | mindat:1:5:484795:7 |
| GUID | 0 | ||
| Full Reference | Bowman, Sarah J., Pe-Piper, Georgia, Piper, David J.W., Fensome, Robert A., King, Edward L. (2012) Early Cretaceous volcanism in the Scotian Basin 1This article is one of a series of papers published in this CJES Special Issue on the theme of Mesozoic–Cenozoic geology of the Scotian Basin. Canadian Journal of Earth Sciences, 49 (12) 1523-1539 doi:10.1139/e2012-063 | ||
| Plain Text | Bowman, Sarah J., Pe-Piper, Georgia, Piper, David J.W., Fensome, Robert A., King, Edward L. (2012) Early Cretaceous volcanism in the Scotian Basin 1This article is one of a series of papers published in this CJES Special Issue on the theme of Mesozoic–Cenozoic geology of the Scotian Basin. Canadian Journal of Earth Sciences, 49 (12) 1523-1539 doi:10.1139/e2012-063 | ||
| In | (2012, December) Canadian Journal of Earth Sciences Vol. 49 (12) Canadian Science Publishing | ||
| Abstract/Notes | Early Cretaceous volcanism is widespread in the eastern Scotian Basin. The stratigraphic position of volcanic rocks within wells was re-evaluated and the volcanological character of the rocks was refined by study of cuttings and well logs. Hauterivian–Barremian volcanic rocks on the SW Grand Banks and Aptian–Albian volcanic rocks in the Orpheus Graben and SE Scotian Shelf resulted from Strombolian type eruptions. More extensive Hawaiian type flows were mapped from seismic profiles near the Mallard and Brant wells on the SW Grand Banks and they appear to have been derived from local basement highs with a positive magnetic anomaly interpreted as volcanic centres. Igneous rocks in the Hesper well on the SE Scotian Shelf are the erosional remnant of basaltic flows that terminated at the paleoshoreline. They correlate with basalt flows both in extensive outcrop on Scatarie Ridge and in several Orpheus Graben wells. The interpretation of the Hesper basalts as an erosional remnant of more extensive basalt flows is consistent with detrital petrographic evidence for substantial uplift of the inboard part of the Scotian Basin in the Hauterivian–Aptian. Widespread volcanic activity indicates a regional and long-lived magma source, which resulted in elevated regional heat flow. Effects of this heat flow are seen in sedimentary rocks of the Sable Subbasin and it had a discernable impact on hydrocarbon maturation. | ||
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