[PDF][PDF] A preliminary view and importance of metamorphic geology from Jiwo Hills in Central Java
Prosiding Seminar Nasional Kebumian Ke-6, Teknik Geologi Universitas …, 2013•academia.edu
Jiwo Hills is an isolated hill with approximately occupied 30 km2 in Bayat area of Central
Java. The Jiwo Hills has been considered to be composed of very low-grade metamorphic
rocks. This contribution explains a preliminary view of the metamorphic rocks from collected
rocks sample in the Jiwo Hills. Common metamorphic rocks found in this area are phyllite,
mica schist, calc-silicate schist, and marble with the foliation trend of NE-SW. Most of the
metamorphic rock exposures are strongly weathered. Rarely epidote-glaucophane schist …
Java. The Jiwo Hills has been considered to be composed of very low-grade metamorphic
rocks. This contribution explains a preliminary view of the metamorphic rocks from collected
rocks sample in the Jiwo Hills. Common metamorphic rocks found in this area are phyllite,
mica schist, calc-silicate schist, and marble with the foliation trend of NE-SW. Most of the
metamorphic rock exposures are strongly weathered. Rarely epidote-glaucophane schist …
Abstract
Jiwo Hills is an isolated hill with approximately occupied 30 km2 in Bayat area of Central Java. The Jiwo Hills has been considered to be composed of very low-grade metamorphic rocks. This contribution explains a preliminary view of the metamorphic rocks from collected rocks sample in the Jiwo Hills.
Common metamorphic rocks found in this area are phyllite, mica schist, calc-silicate schist, and marble with the foliation trend of NE-SW. Most of the metamorphic rock exposures are strongly weathered. Rarely epidote-glaucophane schist crop out near the exposure of serpentinite in western part of this complex. Several carbonate sedimentary rocks are converted to garnet-wollastonite skarn under the contact metamorphism probably caused by diabase intrusion.
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