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All Journal Journal of Geosciences and Applied Geology
Nurdeani, Rifky
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Earth & Planetary Sciences Engineering

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METHOD TO IDENTIFY THE FACIES ASSOCIATION ARCHITECHTURE BASED ON CORE ANALYSIS Ganjar Gani, Reza Mohammad; Firmansyah, Yusi; Nurdeani, Rifky
Journal of Geological Sciences and Applied Geology Vol 2, No 3 (2017): Journal of Geological Sciences and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v2i3.15755

Abstract

Rock is a very important in knowing the geological processes that developed in the past and present. The geological processes recorded in the core rock or often known as the core. Core is a rock of subsurface drilling. From the rock core can be known the characteristics of rocks ranging from megascopic and microscopic characteristics. The results of megascopic and microscopic analysis will be known facies, deposit environments, facies associations and architecture. The data contained 3 rocks that have been in the description, after the analysis there are 3 facies including the foraminifera limestone, sandstone foraminifera and claystone foraminifera. The foraminifera limestone is deposited on the Patch Reef Interior Platform environment, the foraminifera sandstones are deposited on the Restricted Interior's platform environment and the foraminifera claystone is deposited on the Open Marine Interior Platform environment. All three facies are integrated into the facies association Restricted - Open Marine Platform.Keywords : Core, Facies, Facies Association
LITHOLOGY UNITS PENGKOL AREA AND SURROUNDING, GUNUNG KIDUL DISTRICT, YOGYAKARTA PROVINCE. Gani, Reza Mohammad Ganjar; Firmansyah, Yusi; Nurdeani, Rifky
Journal of Geological Sciences and Applied Geology Vol 4, No 2 (2021): Journal of Geological Science and Applied Geology
Publisher : Faculty of Geological Engineering, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/gsag.v4i2.31820

Abstract

The research area is located sub-district Nglipar,District of Gunnung Kidul,Yogyakarta Province. Accessibility to the research location by train Bandung - Yogyakarta, followed by a minibus to Nglipar District Gunung Kidul. Purpose Of this Research is to understanding geological conditions of the research area reviewed from litohologic units and  its stratigraphic order. The lithostratigraphy of the research area is divided into 3 lithologic units, Breccia Unit, Sandstone Unit and Limestone Unit. namely the naming of the rock units based on observable physical characteristics, including rock type, uniformity lithology symptoms and their stratigraphic position. Geological history at the location of this study is the eruption of Mount Ngalanggran and deposited volcanic breccia units. Early Miocene deposited units sandstone. At that time there was a decrease in sea level which caused the diagenesis of the sedimentary material into limestone material. On Middle Miocene limestone deposited. Keyword: Lithologic units, stratigraphic order, Gunung Kidul District.
Co-Authors GANI, REZA MOHAMMAD GANJAR Ganjar Gani, Reza Mohammad Yusi Firmansyah, Yusi