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Journal : JURNAL TEKNOLOGI TECHNOSCIENTIA

AKTIVITAS VULKANISME EKSPLOSIF PENGHASIL FORMASI SEMILIR BAGIAN BAWAH DI DAERAH JETIS IMOGIRI Mulyaningsih, Sri; Husadani, Y T; Umboro, P A; Sanjoto, Siwi; Purnamawati, Dwi Indah
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscientia Vol 4 No 1 Agustus 2011
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34151/technoscientia.v4i1.489

Abstract

The widely exposed of volcanic rocks within western part of Central Java-DIY Southern Mountain areas, indicates that volcanic activities had influenced geology of this area. Volcanic-stratigraphic study finds pumiceus rocks, tuff and co-ignimbrite breccias that can be described as primery volcanic rocks at study areas. Those volcanic rocks were erupted explosively followed by collapsing strato cone and forming new caldera. The associate of volcanic rocks with co-ignimbrite breccias, indicates that the central eruption was not far from the outcropes. Shallow intrusive rocks of andecites bearing hornblendes that exposed at the highest cone shape geomorphology of Gunung Gede, south to southwest Sudimoro, might be as the central eruptions.
Co-Authors Abdul Faisal Baba Alansa, Frando Ryan Ari Kusnaedi Ari Kusnaedi Arie Kusniadi Ariel l Afrandi Tatawu Arif Wardana, Muhammad Arifin, Muhammad Nur Arisandy, Rydo Faisal Astuti, B. Astuti, B. B. Astuti Bronto, Sutikno Bronto, Sutikno Bronto, Sutikno Bronto, Sutikno Bronto, Sutikno Darwin Alijasa Siregar Deny Juanda Puradimaja Deny Juanda Puradimaja Desi Kiswiranti Dina Tania Dina Tania Dina Tania Dina Tania Dwi Indah Purnamawati, Dwi Indah Emilliana Natalia Trisakti Susanti, Maria Frando Ryan Alansa G. Hartono Godang Shaban Hartono, G. Hartono, G. Heriyadi, Nur Widi Astanto Agus Tri Hidayah, Radhitya Adzan Hidayah, Radhtya Adzan Hidayati, Fika Husadani, Y T I. Simon I. Simon I. W. Prasetyanto I. W. Prasetyanto Iva Mindayani Jayawarsa, A.A. Ketut Kusnaedi, Ari L. Budiyanto Lilis Apriyanti Marausna, Gaguk Mohamad Faizal Mohamad Faizal, Mohamad Muhammad Luqman Bukhori Muhammad Nur Arifin N.A.A.T Heriyadi Nur Rahmawati Prasetyanto, I. W. Prima, Anka Puradimaja, Deny Juanda Puradimaja, Deny Juanda Putong, Rahel Putra, Ikbal Rizki Rachmawati, Desiana Rydo Faisal Arisandy Sampurno Sampurno Sampurno Sampurno Sampurno, Sampurno Sampurno, Sampurno Sanjoto, Siwi Shaban, Godang Shandi Hargian Wijaksono Simon, I. Siregar, Darwin Alijasa Suhartono Suhartono - Suhartono Suhartono Suhartono Suhartono Suhartono Suhartono Suhartono Suparni Setyowati Rahayu Susastriawan, Anak Agung Putu Sutikno Bronto Sutikno Bronto Sutikno Bronto Sutikno Bronto Tatawu, Ariel l Afrandi Umboro, P A Vienastra, Septian Wijaksono, Shandi Hargian Wiloso, Danis Agoes Yahdi Zaim Yahdi Zaim Yoyok Ragowo Siswomijoyo Sukisman Zaim, Yahdi Zaim, Yahdi