Oleh: Sri MulyaNingsih

Abstraksi : Geological information to making decisions is very important for user of land; water and resources. It was also needed by people of historical time, intentionally or not. Geological information in 8-16 century to plan of the south plain of Merapi Volcano, Yogyakarta is geomorphology, resources, and ...

Oleh: Asep Faturachman;Noor C.D. Aryanto

Abstraksi : Within the context of area development, geological information is not only interested in the early stage (upstream product), but it has also a role up to the detail plan (down stream product). The evaluation of engineering geological aspect study at the Gimbang Coast, South Sulawesi, in relation to ...

Oleh: Noor Cahyo D. Aryanto;Deny Setiady Lukman Arifin;A. Wahib

Abstraksi : The coastal zone is a complex area both a scientifically, which still influenced by marine and terrestrial activities (transition zone) and as administration of managing and handling when related with the local autonomy in Indonesia, in the other hand. The coastal of geology information is one of ...

Oleh: Tri Hartono

Abstraksi : Karang Bata terletak berdampingan dengan Karang Penganti di pantai selatan Kabupaten Gombong, berpotensi sebagai objek Geowisata yang hingga sekarang belum dikelola dan diketahui oleh kebanyakan orang, mengingat akses jalan untuk mencapai lokasi ini belum ada, padahal panorama alamnya memiliki ...

Oleh: N. A. Kristanto;K. Budiono;P. Raharjo

Abstraksi : Kendari bay is located in front of Kendari city. There are two harbors in the inner part of bay which very important to support economic activities such as shipping and passenger transportation. The result of coastal characteristic mapping and physical oceanography survey show various coastal ...

Oleh: Adrin Tohari;Makoto Nishigaki

Abstraksi : Mitigation of the hazards posed by rainfall-induced slope failures requires an effective warning system to predict the times of slope failure events. The objectives of this study were to evaluate the hydrologic response of soil slope to rainwater infiltration and to develop of a concept of soil ...

Oleh: T. Suwarti;SR. Sinung Baskoro

Abstraksi : Renovasi tahun 200 menjadikan Museum Geologi yang termodern di Indonesia. Ruang peragaan terbagi menjadi 3 bagian. Pertama Ruang Geologi Indonesia di sayap barat lantai 1. Kedua Ruang Sejarah Kehidupan di sayap timur, lantai 1 dan ketiga Ruang Geologi untuk Kehidupan Manusia di sayap timur lantai ...

Oleh: Partama Md.;Hartono G.

Abstraksi : Daerah Istimewa Yogyakarta terkenal sebagai tujuan wisata ke dua setelah Bali. Ditinjau dari potensi wisata alam (geowisata) maupun non alam yang jauh lebih banyak dan bervariasi. Keanekaragaman geowisata tersebut meliputi berbagai jenis litologi, startigrafi, struktur, gunungapi mulai dari ...

Oleh: Eko Soebowo;Herryal Z. Anwar;Suwijanto;Dwikorita Karnawati

Abstraksi : Mitigation of landslides hazard requires mapping and zonation of landslide prone areas. The objective of this study was to use satellite image for determination of landslide prone area. In the analysis of satellite image, topographic and geologic features were used to identified and determine the ...

Oleh: Sukartono

Abstraksi : The purpose of research is to identify the geological condition and evaluate the basement of Purwodadi-Godong road (km 8 – 17 from Purwodadi). This part of the road has no stability condition. Data from the previous research i.e. core drilled, cone penetration test, rainfall and soil mechanism ...

Oleh: Amien Widodo

Abstraksi : Nilai resistivitas batuan dan atau tanah memiliki kisaran yang besar seperti yang ditulis dalam buku-buku referensi yang membahas masalah resistivitas tanah dan atau batuan. Sebagai contoh harga resistivitas akuifer pasir mempunyai kisaran 20 sampai ribuan Ohm-m. Tulisan ini merupakan awal dari ...

Oleh: A. Rachmansyah;Wijono;H. Isianto;Obed Basabeh

Abstraksi : Pendirian bangunan di atas tanah lempung sering menimbulkan permasalahan, karena kandungan air cukup tinggi dan proses konsolidasi berlangsung lama. Kandungan air yang cukup tinggi menyebabkan tanah lempung memiliki daya dukung rendah dan kemampumampatan tinggi. Waktu yang diperlukan untuk ...

Oleh: Dedi Mulyadi;Yuliana Susilowati;Hilda Lestiana

Abstraksi : Dalam era otonomi, daerah akan memiliki kesempatan lebih leluasa dalam pengelolaan daerahnya, salah-satuna melalui penataan ruang kota dan pedesaan. Demikian pula dalam rangka menciptakan kemandiriannya, daerah akan memanfaatkan seluruh sumberdaya yang ada untuk meningkatkan pendapatan ekonominya. ...

Oleh: Herryzal Z. Anwar;Eko Soebowo;Dwikorita Karnawati

Abstraksi : Landslide may be characterized as rapidly and slowly moving. The rapidly moving landslide occurred at the mountainous reqion, in which the slopes are generally steeper. Whereas more slowly moving landslide may be found at the gentler slope, in which may cover a wide area, therefore the damage area ...

Oleh: Eko Teguh Paripurno;Wening Swasono;Rudi Sulaksono

Abstraksi : Ultimately what is needed is for local communities and government to adopt a risk or disaster management perspective in all resources management practices and polices. This is possible only if local communities and government have an understanding of holistic disaster management. And finally, our ...

Oleh: Arief Rachmat;Eko Soebowo;Kamtono

Abstraksi : Hujan sangat diharapkan oleh seluruh umat manusia, tetapi hujan yang berlebihan jika tidak dikendalikan akan menyebabkan bencana. Hal inilah yang telah terjadi di beberapa kecamatan di kabupaten Kebumen, tepatnya di beebrapa desa di Kecamatan Puring dan Kecamatan Adimulyo, Gombong Selatan. Di ...

Oleh: Sri Mulyaningsih;Sampurno;Yahdi Zakim;Deny Juanda Puradimaja

Abstraksi : Almost, 90% of human activity is laid above soil. In the south plain of Merapi Volcano have been exposed six layers of paleosol formed since 6000 y BP and topsoil that separate each period of volcanic materials sedimentations. Weathering of volcanic materials formed those soil in 300-700 years time ...

Oleh: Aziz S;Rimbaman

Abstraksi : Despite its position as the lowest part of the land on the earth’s surface, that is close to sea water level, and formed on young sedimentary rock (Quartenary), about 70% of human beings live on the low lands (flood plain). The fertility of its soil for agriculture , the availability of water, ...

Oleh: Tsuyoshi Watanabe;Michael K. Gagan;Thierry Correges;Wahyoe S. Hantoro;Heather Scott-Gagan;Graham E. Mrotimer

Abstraksi : We examined the reconstruction of El Nino-Southern Oscillation (ENSO) variablility usin combined analysis of oxygen isotopes and Sr/Ca ratio in coral skeletons from Alor in eastern Indonesia, which is the core area of the Indo-Pacific Warm Pool. In this study, we used coral Diploastrea heliopora, ...

Oleh: C. Prasetyadi;Agus H. Harsolumakso;Benyamin Sapiie;Jatmika Setiawan

Abstraksi : There are three areas in Java where the Pre-tertiary rocks were cropped-out, Cileteuh in West Java, Jiwo Hill, Bayat and Luk Ulo, Karangsambung in Central Java. The two of them, those in Central Java, show a similar rock assemblage although their occurrence reveals some controversies. The ...

Oleh: Margaretha E. M. Purwaningsih;Awang H. Setyana;Sri Budiayani;Dardji Noeradi;Nanang M. Halik

Abstraksi : Seismic sequence stratigraphy study was conducted of reveal depositional history and facies distribution of the reefs in the study area located at the western margin of the East Cepu isolated platform. Four sequences, Sequences-1 to Sequences-4, consisting of transgressive and highstand system ...

Oleh: Wahyu Budi Setyawan

Abstraksi : Segara Anakan is not an ordinary estuarine. It is a landlock embayment with two marine entrances. This preliminary study elucidates the estuarine development and factors that influencing it. Segara Anakan was configured by Plio-Pleistocene tectonic by forming Citanduy Basin enclosed by Gabon and ...

Oleh: Ukat Sukanta;M. Mochtar Djamaludin;Hubash Semimbar;Batara S. Simanjuntak;Gantok Subiyantoro;Mulyadi

Abstraksi : Siliciclastic-dominated outcrops of the Miocene age exposed along the road-cut in the Sipirok Region in the northwestern corner of Central Sumatera Basin (CSB). These have been studied sedimentologically. Lithostratigraphically, this outcropping succession can be divided informally into three ...

Oleh: Yudi Darlan;Kresna Tri Dewi;Yogi Noviadi

Abstraksi : The distribution of sizes in sediments relates to the availability of different sizes of particles in parent material, the type and energy of the processes acting in the depositional environment, particularly the competency of flow. The textural sediment in this area ranged from gravel, sand to ...

Oleh: S. Bachri;Surono

Abstraksi : The kurudu Island – Lake Rombebai area is situated in the active Rombebai Fult Zone, which formerly formed a pull – a part basin that was related to lateral faulting deformation. The Kurudu Formation found in this area is Pliocene in age and shows characteristics of tidal flat to delta plain ...

Oleh: Sigit Maryono

Abstraksi : Batuan sedimen Tersier tertua (Eosen Tengah – Akhir) yang tersingkap di daerah Toraja, Sulawesi Selatan disebut sebagai Formasi Toraja. Formasi ini terbagi menjadi empat fasies, yaitu batulempung pwjal, batupasir, batulempung gampingan, dan batugamping. Dua fasies pertama diendapkan di lingkungan ...

Oleh: Bambang Pratistho;Eko Teguh Paripurno

Abstraksi : Scientist sometimes feel that they stay in ivory castles, whereas other peoples live in surrounding villages. In this study we try to live together within a community, to understand their knowledge, exper iences, and their needs as well. Afterward, we facilitate them to better understand on earth ...

Oleh: Wahyudi;Masao Minagawa;Tadamichi Oba

Abstraksi : Late Quartenary changes in oxygen and carbon isotopic ratios of planktonic foraminiferal, sedimentary carbonate, organic carbon and nitrogen contents, ?13 Corg and ?15 N are used to assess the last 42 kyr surface productivity fluctuation in the Okinawa Trough, East China Sea (ECS) and Ryukyu Fore ...

Oleh: S. Bronto;S. Pambudi;G. Hartono;D. Purwanto

Abstraksi : In the Jiwo Hills and northern foot of the Southern Mountains, Klaten – Central Java, association of volcanic sandstones, basaltic pillow lavas and calcareous sediments are exposed. Those rocks are grouped into Kebo-Butak Formation (Surono et al., 1992; Samodra & Sutisna, 1997) and previous ...

Oleh: Edyanto;Achmad Subandrio

Abstraksi : Formasi Cimandiri pada daerah telitian terdiri dari 38 perlapisan. Bagian bawah berupa batupasir sedang sampai kasar, batupasir konglomeratan, konglomerat, batugamping coquina. Bagian tengah terdiri dari atas batulanau, batupasir halus sampai sangat halus, bagian atas terdiri dari batupasir kasar, ...

Oleh: Edyanto;Basuki Rachmad

Abstraksi : Sebanyak 14 genus moluska (gastropoda dan pelectpoda) yang ditemukan di sungai Cijarian, Sukabumi Jawa Barat (Formasi Cimandiri), dipakai sebagai indicator dalam penentuan lingkungan pengendapan. Sebagai pembanding dalam penentuan lingkungan pengendapan digunakan foraminifera bentos yang juga ...

Oleh: Hendra Amijaya;Sugeng Saoto Suryono

Abstraksi : The geomorphological processes with water and wind as agent is the cause of the beach sedimentation and erosion. One of the way to know the dynamics of sedimentation balance, on beach is by sediment budget analysis. Sediment budget analysis counts the amount of sediment which is deposited on beach ...

Oleh: Praptisih;Safei Siregar;Kamtono;Arief Rachmat

Abstraksi : Telah dilakukan pengukuran penampang stratigrafi terukur pada batugamping Formasi Kalipucang di daerah Kedung Glunggung dan sekitarnya yang bertujuan untuk mengetahui fasies dan model lingkungan pengendapannya. Hasil pengamatan, pengukuran di lapangan dan analisis petrografi pada beberapa conto ...

Oleh: Iyan Haryanto;Agus H. Harsolumakso;Sukendar Asikin

Abstraksi : Baribis Fault is one of major fault in West Java. Van Bemmelen (1949) has studied traces of the 70 km width fault from Subang to Baribis (Kadipaten), Majalengka Regency, West Java, and introduced this fault as a thrust fault. Baribis isn’t ended at Baribis, but continuous N135E ward to Pantai ...

Oleh: Adi Tonggiroh;Asran Ilyas;Totok Darijanto;Lilik Eko Widodo

Abstraksi : Developing databases of expert system can be conducted through heuristical assessment structure. In addition, increment of rules simplify the interpretation by using combination of bread-first search and deep-search method as well as numerical model. Developing database assessment for computer ...

Oleh: Victor M. Heipon;Totok Darijanto;M. Nur Heriawan

Abstraksi : Research is conducted to study the paragenetic or mineral paragenetic or mineralization stage formed at Pillar Zone. Ore minerals identified by microscopy analysis are sulfide minerals such as pyrite, chalcopyrite, sphalerite, marcasite, galena, pyrrhotite, and gold/electrum, also oxide minerals ...

Oleh: Bambang Tjahjono Setiabudi

Abstraksi : The Kelian and Magerang andesites exhibit a short age range indicating that the duration of magmatism and related mineralization at Kelian was 0.5 to 1 Ma. During this time interval, hydrothermal systems produced 2 distinctive types of epithermal deposits: low-sulphidation Au mineralization at ...

Oleh: Bambang Tjahjono Setiabudi

Abstraksi : The Miocene calc-Alkaline suites from the Kelian region exhibit two distinctive trends of magmatic differentiation. The first trend is defined by a “productive” series of the Kelian mine suite, characterized by low Mg, moderate K, high Ti and AL and depletion in Cr and Sc. The second trend is ...

Oleh: Sudarsono;Darman Suyadi

Abstraksi : Jasperoid di Lembah Parigi, Cimerak, Kabupaten Ciamis dijumpai di kebun, sawah dan di sungai Cimedang, berukuran kerikil hingga bongkah berukuran lebih dari 1 meter. Terdapat 3 jenis jasperoid yaitu: (1) Jasperoid merah dengan variasi warna : merah, orange, hitam coklat, dan kuning, disusun oleh ...

Oleh: Eddy Priowasono;Adi Maryono

Abstraksi : Structural analysis and interpretation at thye district and local scales using airbone magnetic, ground magnetic, SPOT satellite data and extensive mapped field measurement is aimed at improving geological understanding in support of ongoing regional exploration and providing information for ...

Oleh: Bosta Pratama;Dudy Setyandaka;Adi Maryono;Wawan Hermawan;Christian H. Clode

Abstraksi : As part of the Sunda-Banda magmatic arc, Lombok and Sumbawa host gold and copper mineralization associated with Miocene to Pliocene volcanic-plutonic rocks. Porphyry intrusions and related mineralization systems including porphyry-skarns copper-gold, high sulfidation gold-copper and mesothermal to ...

Oleh: Waterman Sulistyana

Abstraksi : The estimation parameters consist of search distance and direction, and maximum and minimum number of samples, influences the reliability of block grade estimates is based on variography study. Cross validation concept is to estimate grade value at some locations (known true grade) that base on ...

Oleh: Hamanto Kurnio;I Wayan Lugra

Abstraksi : Mineral resources observed in coastal and offshore of northern Lombok Island were sand and gravel aggregates, iron sand, trass or tuffaceous sand and pumice. From heavy minerals analyses were identified magnetite, pyroxene, amphibole, biotite, rutile, zircon, epidote, and hematite. Magnetite as the ...

Oleh: Hamdan Z. Abidin;Heryanto R.

Abstraksi : Stream and pan concentrate sampling have been carried out in the Sintang Sheet area, 1 : 250.000 scala, West Kalimantan. A total of 140 samples has been collected in the whole area of approximately 7420 km2. Stream sediment anomalies identified are copper (12), lead (7), zinc (8), barium (9), tin ...

Oleh: T. Suwarti;S. Permanadewi;Imithanah;Syahrir A. Mangga

Abstraksi : Granite is a type of igneous rocks that has a relatively high (good) economic value. As this rock is distributed throughout Indonesia Region, the Atlas of Indonesian Granite is being produced regarding, in the future, it will give an important contribution in helping the exploration of mineral ...

Oleh: Iwan Aswan Harahap;Rusman Rinawan

Abstraksi : The typical upper level of gold-stibnite epithermal deposits in Pangangonan area lies in 1.0 meter up to 1.5 meters width of hydrothermal zone, within about 50 meters – 100 meters of NW – SE trending of sinistral sheared fault structural zone which consists of altered clay mulonite, altered ...