IJOG : Indonesian Journal on Geoscience
Vol 4, No 4 (2009)

Identifikasi Gunung Api Purba Karangtengah di Pegunungan Selatan, Wonogiri, Jawa Tengah

Abdissalam, Rus ( 1Alumnus Teknik Geologi UGM, Yogyakarta )
Bronto, Sutikno ( Peneliti pada Pusat Survei Geologi, Badan Geologi, Bandung )
Harijoko, Agung ( Staf Pengajar Jurusan Teknik Geologi UGM, Yogyakarta )
Hendratno, Agus ( Staf Pengajar Jurusan Teknik Geologi UGM, Yogyakarta )



Article Info

Publish Date
26 Jun 2014

Abstract

DOI: 10.17014/ijog.v4i4.85Karangtengah area in the southeastern part of Wonogiri Regency, is part of the Southern Mountains which is wholly composed of Tertiary volcanic rocks. Nevertheless, the eruptive centre of these volcanic rocks is still unknown. Based on an integrated study that comprises geomorphology, stratigraphy, structural geology, petrology, alteration, and mineralisation the existence of Karangtengah paleovolcano can be identified. The paleovolcano was formed below sea water, basaltic in composition, and it was part of a volcanic island arc during the time. Volcanogenic minerals are found in the central facies containing Fe, Cu, Pb, and Zn.

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Journal Info

Abbrev

IJOG

Publisher

Subject

Earth & Planetary Sciences

Description

The spirit to improve the journal to be more credible is increasing, and in 2012 it invited earth scientists in East and Southeast Asia as well as some western countries to join the journal for the editor positions in the Indonesia Journal of Geology. This is also to realize our present goal to ...