Smythe, D.K. (1994) Geophysical evidence for ultrawide dykes of the late Carboniferous quartz-dolerite swarm of northern Britain. Geophysical Journal International, 119(1), pp. 20-30. (doi: 10.1111/j.1365-246X.1994.tb00910.x)
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Abstract
A compilation of the late Carboniferous quartz-dolerite dyke swarm of northern Britain has been made using existing geological maps, augmented by new ground and airborne magnetic surveys. Aeromagnetic data in the North Sea show that dyke anomalies can be traced eastwards on an arcuate trend for up to 200 km from the UK coast, as far as the western margin of the Central Graben. Individual dykes, which are generally up to 30 m wide onshore, attain widths of well over 1 km offshore. These are at least as wide as any known dykes. The swarm is probably as extensive and voluminous as the well-known and better-exposed Palaeocene tholeiitic swarm of NW Britain.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Smythe, Professor David |
| Authors: | Smythe, D.K. |
| College/School: | College of Medical Veterinary and Life Sciences |
| Journal Name: | Geophysical Journal International |
| Publisher: | Oxford University Press (OUP) |
| ISSN: | 0956-540X |
| ISSN (Online): | 1365-246X |
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