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Transcurrent faulting in the Sarawak-Kiri region, Sarawak, East Malaysia

Published online by Cambridge University Press:  01 May 2009

H. D. Tjia
Affiliation:
Department of Geology, National University, Kuala Lumpur, Malaysia

Summary

Geological discontinuities, lineaments, field observations, and interpreted π-girdles demonstrate a left lateral, NNW trending transcurrent fault in the Sarawak-kiri valley of West Sarawak. Topography and geology also suggest that the fault belongs to an important fracture zone that extends well into Indonesian Kalimantan, and continues in a northerly direction along the edge of the Sunda Shelf beneath the South China Sea.

Comparison with transcurrent faulting occuring in the Malay Peninsula and a probable wrench fault between Palawan island and Sabah (North Borneo) reveals the continental part of southeast Asia to have rotated counter-clockwise up to Lower Palaeogene time, probably as a response to spreading of the Pacific ocean floor.

Type
Articles
Copyright
Copyright © Cambridge University Press 1970

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References

REFERENCES

Burton, C. K. & Bignell, J. D., 1969, Cretaceous-Tertiary events in Southeast Asia. Bull. geol. Soc. Am., 80, 681688.CrossRefGoogle Scholar
Fitch, F. H., 1963. Possible role of continental core movement in the geological evolution of British Borneo. Rep. geol. Surv. Dep. Br. Borneo; Proc. Br. Borneo geol. Conf. 1961, 3141.Google Scholar
Tjia, H. D., 1968. Fault-plane markings. Int. geol. Congr 23rd Session, 13, 279284.Google Scholar
Tjia, H. D.,1970. Nature of displacements along the Semangko fault zone, Sumatra. J. trop. Geol. 30, 6367.Google Scholar
Wilford, G. E., 1964a. Penrissen area, West Sarawak (Report 2). Rep. geol. Surv. Dep. Borneo Region, Malaysia, 1964, 9496.Google Scholar
Wilford, G. E.,1964b. Gravity measurements in West Sarawak. Rep. geol. Surv. Dep. Borneo Region, Malaysia, 1964, 190194.Google Scholar