K-Ar DATING OF SELECTED IGNEOUS SAMPLES FROM THE SIBOLGA BASIN, MEULABOH AND SIMEULUE ISLAND, WESTERN SUMATRA

Helen J. Kallagher

Abstract


As part of a general study of the sedimentation, structure and tectonic evolution of the northern part of the Sumatranforearc basin samples of igneous rock were collected for K-Ar dating from the eastern margin of the Sibolga Basin, and from the outer arc island of Simeulue.


Keywords


Igneous, Sumatranforearc, Sibolga Basin

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References


Beaudry, D. & Moore, G.F., 1985. Seismic Stratigraphy and Cenozoic Evolution of West Sumatra Forcare Basin, AAPG, Vol. 69 No. 5, pp. 742-759.

Cameron, N.R., Clarke, M.C.G., Aldiss, D.T., Aspden, J.A. & Djunnuddin, A., 1980. The Geological Evolution of Northern Sumatra. Proc. I.P.A . Ninth Annual Convention, Jakarta, pp. 149-188.

Faure, G., 1986, Principles of Istope Geology, 2nd Edn., John Wiley & Sons, 589 p.

Hemilton, W.R., 1979. Tectonics of the Indonesian Regions, U.S. Geol. Survey Prof. Paper, 1078, 345p.




DOI: https://doi.org/10.29017/SCOG.13.1.1131

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