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All Journal Academy of Education Journal Berita Sedimentologi
Mansur, Achmad
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A proposed model of Width-Thickness Ratio for tidal shelf sand ridge reservoirs within Upper Cibulakan Fm. in the Ajata Field, Offshore Northwest Java Basin Dani Setiawan, Priantoro Kartika; Amrizal, Amrizal; Setiawati, Yasinta Dewi; Mansur, Achmad
Berita Sedimentologi Vol 49, No 3 (2024)
Publisher : Ikatan Ahli Geologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51835/bsed.2024.49.3.442

Abstract

The Upper Cibulakan reservoir of the Ajata Field in the Northwest Java Basin represents tidal shelf sand ridges deposited in an open-mouthed shallow marine environment. One hundred fifty-three wells have been drilled to develop this reservoir since 1970. The average density of wells in the Ajata Field is 400-500 m, making it an ideal case for reconstructing tidal shelf sand ridges reservoir model. This study aims to determine tidal shelf sand ridges heterogeneity and geometry, especially through width-thickness ratio, in the Ajata Field and to identify similar reservoirs in other fields or basins. The data used in this study are 900 ft conventional core data, 74 Routine Core Analysis (RCA) data, 152 well logs, and 3D seismic data.Tidal shelf sand ridges conventional cores analysis shows six lithofacies in the Upper Cibulakan Formation, namely: claystone-siltstone, lenticular siltstone, flaser sandstones, cross-bedded sandstones, non-calcareous massive sandstones, and calcareous sandstones. These six lithofacies are grouped into four facies associations and they reflect the tidal shelf ridge development stages: embryonic, immature accretion, mature accretion, and abandonment. These facies associations create a cyclicity pattern bounded by chronostratigraphic markers of marine flooding surfaces. Well-to-well correlation and seismic interpretation results show several trends and geometry of the tidal shelf sand ridges. Three zones of width thickness ratio (W-T) analysis in every parasequence are concluded in this study: Zone I (width: maximum 800 m; thickness: less than 25 ft), Zone II (width: 700 – 1300 m; thickness: 25 – 45 ft), and Zone III (width: 1000 – 1900 m; thickness: thicker than 45 ft).
Peran guru PPKn dalam mengimplementasikan pendidikan karakter pada Siswa Kelas XI di SMK Bina Patria 1 Sukoharjo Leki, Fidiayanti; Mansur, Achmad; Nurkhasan, Fajar; Suyahman, Suyahman; Srilestari, Titik
Academy of Education Journal Vol. 15 No. 1 (2024): Academy of Education Journal
Publisher : Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47200/aoej.v15i1.2179

Abstract

This research discusses the role of Pancasila and Citizenship Education (PPKn) teachers in implementing character education for class XI students at SMK Bina Patria 1 Sukoharjo. The research method used is a qualitative method through direct observation of subjects andobjects at SMK Bina Patria 1 Sukoharjo. The results of the research show that PPKn teachers at SMK Bina Patria 1 Sukoharjo have a strategic role in shaping students' character, involving them in moral values, cultural values and ethics in PPKn learning materials. Civics teachers also act as mentors, guiding students in developing positive attitudes such as responsibility, cooperation and discipline. This research will explore the strategies of PPKn teachers, the challenges they face and the impact of implementing character education in the vocational school environment. Therefore, it is recommended that there be collaborative efforts between teachers, schools and parents to strengthen the character of education in the educational environment of SMK Bina Patria 1 Sukoharjo.
Co-Authors Aminuyati Amrizal Amrizal Dani Setiawan, Priantoro Kartika Leki, Fidiayanti Nurkhasan, Fajar Setiawati, Yasinta Dewi Srilestari, Titik