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All Journal Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII
Abdillah Ahmad, Ghani
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Analisis Umur dan Lingkungan Pengendapan Batugamping Formasi Oyo-Wonosari Berdasarkan Data Mikropaleontologi di Bawah Jembatan Nglipar-Wonosari, Desa Kedung Keris, Kec. Nglipar, Kab. Gunung Kidul, Daerah Istimewa Yogyakarta Tiurma Dewi, Alexandra Sekar; Abdillah Ahmad, Ghani; Rizqi, Al Hussein Flowers
Retii 2024: Prosiding Seminar Nasional ReTII ke-19 (Edisi Penelitian)
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

Daerah penelitian ini merupakan salah satu yang memiliki tatanan geologi sangat kompleks, sehingga sangat menarik untuk dikaji. Berdasarkan fisiografi dan stratigrafi regional, termasuk ke dalam fisiografi Zona Pegunungan Selatan yang disusun oleh litologi berupa batugamping berlapis Formasi Oyo dan batugamping masif Formasi wonosari. Metode penelitian berupa pengambilan data lapangan dan pengamatan mikropaleontologi melalui preparasi mikro fosil. Umur relatif dari Formasi Oyo dan Formasi Wonosari pada daerah penelitian yaitu N19 - N22 (Pliosen - Plistosen), dan juga ditemukannya fosil Pullenitiatina Obliquiloculata berumur Miosen awal - Pliosen yang menandakan bahwa fosil ini terbawa dari Formasi yang lebih tua yaitu Formasi Wonosari. Sedangkan lingkungan pengendapan dari Formasi Oyo-Wonosari pada daerah penelitian yaitu Neritik tengah-Neritik luar.
Penyelidikan Fasies dan Lingkungan Pengendapan pada Singkapan Batuan Karbonat Berdasarkan Karakteristik dan Ichnofasies di Sungai Oyo, Kecamatan Wonosari, Kabupaten Gunung Kidul, DIY Timotius Tuska, Robert; Putri, Dwiginasa; Angga Purnama, Wahyu; Abdillah Ahmad, Ghani; Flowers Rizqi, Al Hussein
Retii 2024: Prosiding Seminar Nasional ReTII ke-19 (Edisi Penelitian)
Publisher : Institut Teknologi Nasional Yogyakarta

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Research on Facies and Environment The deposition of carbonate rocks of the Oyo Formation is located on the Oyo River, Wonosari District, Gunung Kidul Regency, Special Region of Yogyakarta with a geographical position of 7°54'45.7"S and 110°36'38.9"E. The aim of this research is to identify facies and depositional environments through research methods from outcrop profile (MS) methods and rock descriptions. The results of the rock description show that the rocks are in the form of grainstone and wackestone with a depositional environment in the form of a sublittoral zone. The research area is divided into 4 stations, each station has a variety of rocks in the form of carbonate rocks. Only a little research has been carried out in this area, this is a stage to develop more in-depth research regarding the Oyo Formation in this area.
Co-Authors Al Hussein Flowers Rizqi Angga Purnama, Wahyu Flowers Rizqi, Al Hussein Putri, Dwiginasa Timotius Tuska, Robert Tiurma Dewi, Alexandra Sekar