Huff, W. D., Merriman, R. J., Morgan, D. J., Roberts, B. (1993) Distribution and tectonic setting of Ordovician K-bentonites in the United Kingdom. Geological Magazine, 130 (1) 93-100 doi:10.1017/s001675680002375x
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Distribution and tectonic setting of Ordovician K-bentonites in the United Kingdom | ||
| Journal | Geological Magazine | ||
| Authors | Huff, W. D. | Author | |
| Merriman, R. J. | Author | ||
| Morgan, D. J. | Author | ||
| Roberts, B. | Author | ||
| Year | 1993 (January) | Volume | 130 |
| Issue | 1 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s001675680002375xSearch in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 255612 | Long-form Identifier | mindat:1:5:255612:7 |
| GUID | 0 | ||
| Full Reference | Huff, W. D., Merriman, R. J., Morgan, D. J., Roberts, B. (1993) Distribution and tectonic setting of Ordovician K-bentonites in the United Kingdom. Geological Magazine, 130 (1) 93-100 doi:10.1017/s001675680002375x | ||
| Plain Text | Huff, W. D., Merriman, R. J., Morgan, D. J., Roberts, B. (1993) Distribution and tectonic setting of Ordovician K-bentonites in the United Kingdom. Geological Magazine, 130 (1) 93-100 doi:10.1017/s001675680002375x | ||
| In | (1993, January) Geological Magazine Vol. 130 (1) Cambridge University Press (CUP) | ||
| Abstract/Notes | AbstractTwenty-five Ordovician K-bentonite samples ranging in age from Llanvirn to Ashgill and representing both sides of the lapetus suture were analysed by INAA and XRF and compared on magmatic and tectonic discrimination diagrams. The proportional distribution of Nb, Y, Ti, Zr, Hf, Ta, Th and REE indicates that source volcanics were erupted in a setting that changed from subduction-related in the Llanvirn/Llandeilo to marginal basin extensional volcanism in the Caradoc/Ashgill. Welsh K-bentonites appear to be derived from volcanoes within the Welsh Basin, but K-bentonites from the Southern Uplands to not have characteristics consistent with a fore-arc setting, further suggesting a source related to ensialic marginal basin extensional volcanism. | ||
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