Bulletin of Scientific Contribution : Geology
Vol 5, No 3 (2007): Bulletin of Scientific Contribution

STUDI PETROGRAFI BATUAN BEKU GUNUNG SINGA BOGOR - JAWA BARAT

-, Johanes Hutabarat (Unknown)
-, Mulyono (Unknown)

Article Info

Publish Date
05 Dec 2007

Abstract

This research about study on petrography of igneous rocks (dacitic) of Gunung Singa, Nanggung, Bogor, West Java.Results of petrography and chemical analysis of these igneous rocks indicates that volcanics rock (lava) as dacite.Petrographic description of dacite show by porphyritic textures with plagioclase and pyroxene minerals as phenocryst. Mineralogical composition of these rocks consist of plagioclase, pyroxen, K-Felsdpar, amfibole, and opaque minerals, and secondary minerals like chlorite, clay minerals, epidote and opaque minerals.

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Journal Info
Bulletin of Scientific Contribution : Geology
Website

Abbrev

bsc

Publisher

Universitas Padjadjaran

Subject

Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Environmental Science

Description

BSC Geology adalah jurnal yang dikelola oleh Fakultas Teknik Geologi Universitas Padjadjaran,terbit 3 kali dalam setahun (April, Agustus, dan Desember), yang menerbitkan karya tulis ilmiah dalam bidang kebumian terutama yang berkaitan dengan geologi seperti : Petrologi Paleontologi Geomorfologi ...