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Jointing and minor tectonics of the N. Crop of the South Wales coalfield between kidwelly and black mountain, S. Wales

✍ Scribed by J. C. Roberts

Publisher: John Wiley and Sons
Year: 2007
Tongue: English
Weight: 628 KB
Volume: 16
Category: Article
ISSN: 0072-1050
DOI: 10.1002/gj.3350160105

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✦ Synopsis

Abstract

Joints, minor faults and mineral veins were recorded at 334 stations between Kidwelly and Black Mountain, S. Wales. A systematic pattern occurs with joint sets striking at 360°, 340°, 290°, 250°, and 210°. Minor faults and shear planes exhibit both strike and dip‐slip displacements. The jointing is considered to have formed quite early during folding, and both joints and faults can be attributed to a principal compression acting almost N‐S and subparallel to bedding. Phases of dilation are recorded by sets of mineral veins. All the deformational structures are considered to be of Armorican age.

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