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Some Unmapped Faults in the Lower Carboniferous of Westmorland and their Relation to the Dent Fault System

Published online by Cambridge University Press:  01 May 2009

A. A. Miller
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Summary and conclusions

1. The Dent Fault diminishes in throw towards the north, and is almost non-existent 3 miles south of Kirkby Stephen.

2. The principal line of dislocation is then displaced about a mile to the east, where there is a steep monoclinal fold, replaced sometimes by a fault, running in a direction parallel to the Dent Fault and also having a downthrow to the east.

3. Further parallel faults, many of them hitherto unmapped, assist in the subsidence of the country to the east.

4. Cross-faults, in most cases with downthrow to the south, accommodate the margin of the “Rigid Block” to local increase or decrease of throw.

5. These two systems of faults are of approximately the same age, and were brought about by the same crustal movements.

Type
Original Articles
Information
Geological Magazine , Volume 64 , Issue 2 , February 1927 , pp. 80 - 85
Copyright
Copyright © Cambridge University Press 1927

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References

BIBLIOGRAPHY

Sedgwick, A., “Description of a series of longitudinal and transverse sections through a portion of the Carboniferous chain between Penyghent and Kirkby Stephen”: Trans. Geol. Soc., ser. II, vol. iv, 1855.Google Scholar
Dakyns, J. R., and others, “The Geology of the Country round Ingle-borough”: Mem. Geol. Surv., 1890.Google Scholar
Dakyns, J. R., and others, “The Geology of the Country round Mallerstang”: Mem. Geol. Surv., 1891.Google Scholar
Garwood, E. J., “The Lower Carboniferous Succession in the North West of England”: Q.J.G.S., vol. lxviii, 1912, p. 449.CrossRefGoogle Scholar
Marr, J. E., “The Rigidity of North West Yorkshire”: The Naturalist, 1921.Google Scholar