Lynas, B. D. T. (1983) Two new Ordovician volcanic centres in the Shelve inlier, Powys, Wales. Geological Magazine, 120 (6) 535-542 doi:10.1017/s0016756800027680
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Two new Ordovician volcanic centres in the Shelve inlier, Powys, Wales | ||
| Journal | Geological Magazine | ||
| Authors | Lynas, B. D. T. | Author | |
| Year | 1983 (December) | Volume | 120 |
| Issue | 6 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s0016756800027680Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 252279 | Long-form Identifier | mindat:1:5:252279:5 |
| GUID | 0 | ||
| Full Reference | Lynas, B. D. T. (1983) Two new Ordovician volcanic centres in the Shelve inlier, Powys, Wales. Geological Magazine, 120 (6) 535-542 doi:10.1017/s0016756800027680 | ||
| Plain Text | Lynas, B. D. T. (1983) Two new Ordovician volcanic centres in the Shelve inlier, Powys, Wales. Geological Magazine, 120 (6) 535-542 doi:10.1017/s0016756800027680 | ||
| In | (1983, December) Geological Magazine Vol. 120 (6) Cambridge University Press (CUP) | ||
| Abstract/Notes | Summary. As a direct result of new work in the Shelve Ordovician inlier, two new important extrusive andesitic members of a revised Stapeley Volcanic Formation, are described. These members were originally regarded as extrusive. However, they have for over half a century been considered intrusive and a brief literature review attempts to account for this anomaly. A palaeogeographic reconstruction suggests that the members represent the remains of two Llanvirn volcanic islands which, following subsidence, were overlapped and buried by later Llanvirn sedimentation. This reinterpretation considerably increases the volume of andesitic material known to have been erupted in Llanvirn times in this part of the Welsh borderland. | ||
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