Spicer, B., Morris, B., Ugalde, H., Slavinski, H., Skulski, T. (2010) Structure of the Betts Cove Ophiolite Complex beneath the western margin of Notre Dame Bay, Newfoundland. Canadian Journal of Earth Sciences, 47 (2) 181-198 doi:10.1139/e09-069
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Structure of the Betts Cove Ophiolite Complex beneath the western margin of Notre Dame Bay, Newfoundland | ||
| Journal | Canadian Journal of Earth Sciences | ||
| Authors | Spicer, B. | Author | |
| Morris, B. | Author | ||
| Ugalde, H. | Author | ||
| Slavinski, H. | Author | ||
| Skulski, T. | Author | ||
| Year | 2010 (February) | Volume | 47 |
| Issue | 2 | ||
| Publisher | Canadian Science Publishing | ||
| DOI | doi:10.1139/e09-069Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 484570 | Long-form Identifier | mindat:1:5:484570:0 |
| GUID | 0 | ||
| Full Reference | Spicer, B., Morris, B., Ugalde, H., Slavinski, H., Skulski, T. (2010) Structure of the Betts Cove Ophiolite Complex beneath the western margin of Notre Dame Bay, Newfoundland. Canadian Journal of Earth Sciences, 47 (2) 181-198 doi:10.1139/e09-069 | ||
| Plain Text | Spicer, B., Morris, B., Ugalde, H., Slavinski, H., Skulski, T. (2010) Structure of the Betts Cove Ophiolite Complex beneath the western margin of Notre Dame Bay, Newfoundland. Canadian Journal of Earth Sciences, 47 (2) 181-198 doi:10.1139/e09-069 | ||
| In | (2010, February) Canadian Journal of Earth Sciences Vol. 47 (2) Canadian Science Publishing | ||
| Abstract/Notes | Ophiolitic rocks emplaced following closure of the Ordovician Iapetus Ocean outcrop around the western margins of Notre Dame Bay in western Newfoundland. Previous geological and geophysical models have interpreted the Betts Cove Ophiolite Complex (BCO) as a series of imbricate thrust slices. A new three-dimensional (3-D) model indicates that locally the BCO has the form of a northeast-trending doubly plunging syncline that was later segmented by a series of normal and high-angle reverse faults. This segmentation is interpreted in terms of a Carboniferous graben structure that is responsible for the current morphology of the Notre Dame Bay. The 3-D model incorporates new high-resolution aeromagnetic, marine magnetic, and topographic imagery. In addition, newly available structural information is used to both constrain the geometry of the geological contacts in the near surface and to map contacts in the subsurface. Calibration of the computed geophysical models was achieved using newly acquired magnetic susceptibility data. The resulting 3-D model, which is compatible with all aspects of the geological and geophysical data, provides an explanation for the distribution of Ordovician ophiolites around Notre Dame Bay. | ||
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