KECEPATAN PERGERAKAN MAGMA DASIT KE PERMUKAAN DI DAERAH PURWOREJO DAN SEKITARNYA, JAWA TENGAH Berdasarkan Analisis Penarikhan Jejak Belah

Sam Permanadewi; I. Saefudin; D. A.Siregar

doi:10.33332/jgsm.geologi.v18i4.245

Authors

Sam Permanadewi Pusat Survei Geologi Author
I. Saefudin Pusat Survei Geologi Author
D. A.Siregar Pusat Survei Geologi Author

DOI:

https://doi.org/10.33332/jgsm.geologi.v18i4.245

Abstract

Zircon fission track dating using zirkon of four dacite samples from Purworejo, yielded age of 12,6 Â± 1,5 to 15,9 Â± 1,0 m.a. One cooling phase of the dacite body at Purworejo area indicates an uplift velocity of 0.02 - 0.06 mm / year.

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Keywords : fission tracks, zircon, uplift, Purworejo

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