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Jamaluddin Jamaluddin
Program Studi Teknik Geologi, STT-Migas Balikpapan, Indonesia
Earth & Planetary Sciences

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KAJIAN MITIGASI BENCANA TANAH LONGSOR RUAS JALAN MELUHU-LASOLO, SULAWESI TENGGARA Emi Prasetyawati Umar; Jamaluddin Jamaluddin; Muhardi Mustafa; Muhammad Adam Marnas; Intan Noviantari Manyoe; Aryadi Nurfalaq; Ivan Taslim
JURNAL GEOCELEBES Vol. 3 No. 2: October 2019
Publisher : Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/geocelebes.v3i2.6946

Abstract

Bencana alam geologi setiap saat bisa datang seketika menghancurkan. Bencana ini akan menyebabkan kerusakan yang lebih besar dan fasilitas penduduk ketika tidak dikontrol dengan tepat waktu dan dilakukan mitigasi. Upaya awal dilakukan didalam mengantisipasi terjadinya bencana geologi yaitu persiapan, inventarisasi jenis bencana dan menentukan lokasi-lokasi yang lebih berbahaya. Daerah studi memiliki banyak fitur yang harus ditandai sebagai tanah longsor karena daerah tersebut memiliki lereng yang terjal, tingkat pelapukan batuan yang tinggi, batuan yang retak-retak dan mudah lepas, termasuk jalur sesar/patahan/gawir, lereng terpotong jalan dan adanya rutinitas getaran kendaraan yang penuh muatan. Sedangkan akibatnya telah merusak saluran drainase dan mengancam jiwa manusia maupun kendaraan yang rutin melewati jalan. Beberapa hal yang harus dilakukan secara mandiri oleh masyarakat adalah peningkatan kewaspadaan saat musim hujan dan tindakan penutupan rekahan di permukaan tanah, serta konservasi tanah (stabilisasi dan perlindungan lereng). Meningkatnya vegetasi, konstruksi dinding penahan dan struktur lain yang dapat mengurangi resiko tanah longsor di sepanjang tepi jalan sehingga dapat membantu dalam pencegahan tanah longsor di daerah tersebut.
SIMULASI DISTRIBUSI TEKANAN INJEKSI PADA RESERVOIR MENGGUNAKAN METODE FINITE DIFFERENCE Jamaluddin Jamaluddin; Nuruddin Kafy El-Ridlo; Hamriani Ryka; Maria Maria
JURNAL GEOCELEBES Vol. 4 No. 1: April 2020
Publisher : Departemen Geofisika, FMIPA - Universitas Hasanuddin, Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/geocelebes.v4i1.7439

Abstract

The modeling of reservoir injection pressure distribution is very important to perceive reservoir management, especially in estimating the pushing mechanism. The modeling of reservoir injection pressure distribution was carried out by applying the analytic equation of fluid flow to the porous media of Darcy's law and transformed to a finite difference numerical equation which then used Neumann boundary conditions. The parameters used in the modeling were: permeability, average layer thickness, porosity, acceleration of gravity, viscosity, and area’s width. Based on the results of modeling, the injection pressure distribution area decreased as injection pressure rate increased. This decrease occurred due to an imbalance between the volume of reservoir fluid produced by the volume of water from the aquifer that replaced the reservoir, caused emptying. From the results of the modeling the amount of oil production, obtained from the remaining oil reserves to the initial oil acquisition in the reservoir after the process of pressure maintenance, could be found.
Relationship Of Tectonic Activity To The Geomorphic Evolution In Banjarnegara Regency Central Java, Indonesia Jamaluddin Jamaluddin; Desianto Payung Battu; Kukuh Jalu Waskita
Jurnal Geomine Vol 9, No 2 (2021): Edisi Agustus 2021
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jg.v9i2.590

Abstract

Hipotesa lempeng tektonik memberikan wawasan baru tentang interpretasi sejarah geomorfik Kabupaten Banjarnegara, Jawa Tengah, Indonesia. Bentang alam adalah akibat dari proses endogenik dan eksogenik. Peristiwa tersebut terjadi di daerah aktif tektonik, di mana proses tektonik mengakibatkan adanya pengangkatan dan pembentukan relief, sementara erosi bertanggung jawab atas penggundulan bantuan. Morfologi pada daerah penelitian dikelompokkan menjadi undulating hill step dan undulating hills. Berdasarkan geologi regional, wilayah penelitian termasuk pada struktur tektonik dan geologi yang kompleks. Dengan demikian, proses terbentuk akibat dari deformasi litologi seperti kompleks Melange dan struktur regional mayoritas dari arah Barat Laut ke Tenggara.
Material Analysis Supporting Cement Industry Muara Dua Area South Oku Regency South Sumatera Desianto Payung Battu; Jamaluddin Jamaluddin; Fathony Akbar Praktikno
Jurnal Geomine Vol 8, No 1 (2020): Edisi April 2020
Publisher : Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2939.083 KB) | DOI: 10.33536/jg.v8i1.526

Abstract

Material cement industry are mostly formed by carbonate and silica. Geology of Muara Dua area was contain those material used in cement industry. Mineralogy of carbonate this area mostly formed by Calcium (Ca) contained on Calcite (CaCO3), Dolomite (CaMg(CO3)2) while Silica, Alumina, Iron Oxide element found as SiO2, Al2O3, Fe2O3, MgO on rock. Research area mostly generated by tectonically complex where the sedimentation mostly controlled the existence of material using in cement industry. Three analysis method were conducted which are Geological Mapping to describe macro petrology, Petrography analysis to determine mineralogy microscopic and Geochemical method using XRF to identified chemical mineralogy of rock. Limestone is one of lithology unit that develop on research area where known as Packstone to Wackestone (Petrography) while "Calcitic Limestone” to “Marly Limestone” classification from Geochemical analysis (XRF). Another material such as Silica and trass material are definitely found on this research area to support cement industry. Element for support cement industry that exist on Muara Dua area formed due to sedimentation process that effected by tectonic and volcanic.
Co-Authors Alfian Nawir Aryadi Nurfalaq Aswad, Sabrianto Desianto Payung Battu Desianto Payung Battu Erfan Syamsuddin Fathony Akbar Praktikno Intan Noviantari Manyoe Ivan Taslim Kukuh Jalu Waskita La Ode Armin Maria Maria Maria Maria Maria Maria Maria Maria Muhammad Adam Marnas Muhammad Fawzy Ismullah Massinai Muhardi Mustafa Nurfalaq, Aryadi Nuruddin Kafy El-Ridlo Prasetyawati Umar, Emi Rohima Sera Afifah Romuald Sohores Ryka, Hamriani Septian Tri Nugraha Wahyuni Wahyuni