Variscan structures in the opencast coal sites of the South Wales Coalfield

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Abstract

The structures revealed by the ongoing excavation of coal in the opencast sites of the South Wales Coalfield enable analysis of both the detailed geometry and the deformational age relationship of the different structures. The sequence of deformational events is described. It is suggested that the geographic control on structural style in the basin is partly related to: 1) reactivation of basement structures to produce the ENE-WSW belts of disturbance, and 2) to the effect of buttressing against the NE-SW trending Caledonian massif to the north resulting in greater compressional deformation in the west than the east of the coalfield. -from Authors

Original languageEnglish (US)
Pages (from-to)375-379
Number of pages5
JournalProceedings - Ussher Society
Volume7
Issue number4
StatePublished - Jan 1 1991
Externally publishedYes

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)

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