Convention Bandung 2004 (CB2004) The 33rd Annual Convention & Exhibition 2004 Indonesian Association of Geologist Horizon Hotel, 29-30 Nov, 1 Dec 2004, Bandung SEISMIC HAZARD ASSESSMENT: In the Case Study of Minesite Area-Central Kalimantan Engkon K.Kertapati Geological Research and Development Centre Abstract The low-seismicity Central Kalimantan has never experienced any earthquake damage. Thus,...
Monday, December 1, 2008
SEISMIC HAZARD ASSESSMENT: In the Case Study of Minesite Area-Central Kalimantan Engkon K.Kertapati
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STRUKTUR PADA BATUAN SERPENTINIT DI SEPANJANG SEMPADAN JALUR TENGAH DAN JALUR BARAT SEMENANJUNG MALAYSIA
Convention Bandung 2004 (CB2004) The 33rd Annual Convention & Exhibition 2004 Indonesian Association of Geologist Horizon Hotel, 29-30 Nov, 1 Oct 2004, Bandung STRUKTUR PADA BATUAN SERPENTINIT DI SEPANJANG SEMPADAN JALUR TENGAH DAN JALUR BARAT SEMENANJUNG MALAYSIA Jatmika Setiawan1), Ibrahim Adullah2), Zaiton Harun2) jatmikasetiawan855@hotmail.com, iba@pkrisc.cc.ukm.my, zaiton@pkrisc.cc.ukm.my 1) Jurusan...
Tuesday, November 25, 2008
THE VOLCANIC ACTIVITY OF RINJANI, LOMBOK ISLAND, INDONESIA DURING THE LAST TEN THOUSAND YEARS, VIEWD FROM 14C AGE DATINGS
Asnawir Nasution1), Akira Takada2), Rosgandika Mulyana1) 1)Directorate of Volcanology and Geological Hazard Mitigation, Indonesia 2)Geological Survey of Japan ABSTRACT The eruptive history of Rinjani voclano during the last 10 ky before the caldera formation was studied. The eruption rate of Rinjani volcano was kept constant (0.6 km3/ky) during a stratocone building stage between 12-6 ka. It decreases becoming 0.15 km3/ky for...
PATAHAN AKTIF SUMATERA (SEGMEN SIANOK) DAN ZONASI KERENTANAN BENCANA DAN RESIKO GEMPABUMI DAERAH BUKITTINGGI DAN SEKITARNYA
Oleh : A. Soehaimi *, Y. Fikri**, A. Djuhanda*, I.Effendi*, I. Haryanto**, Ismawan**, (* Puslitbang Geologi Bandung, ** Jurusan Geologi Unpad) SARI Geologi daerah Bukittinggi dan sekitarnya dapat dibagi atas 4 Kelompok Batuan, yaitu: Kelompok Batuan Pra-Tersier (batuan sedimen karbonatan yang termetamorfkan, batuan terobosan asam dan batuan ultrabasa), Kelompok Batuan Tersier (batuan terobosan granit), Kelompok...
ANALISIS MIKROTREMOR UNTUK PENENTUANKONFIGURASI BASEMEN DAN KETEBALANSTRATIGRAFI BATUAN DI DAERAH TOKACHI,PULAU HOKKAIDO, JEPANG
Amul Agan* dan T.A.Sanny**Departemen Teknik Geofisika, ITB AbstrakGempa besar dengan Momen Magnitud = 8.1 yang terjadi di daerah Tokachi, Pulau Hokaido, Jepang telah menyebabkan beberepa kerusakan yang serius. Tingkat kerusakan yang berbeda pada zona yang tekena goncangan gempa diperkirakan akibat dari local site effect. Dalam hal ini, kita mencoba melakukan eksplorasi dan analisa mikrotremor untuk mengestimasi kedalaman...
Friday, September 19, 2008
Local zonation of foraminifera in the North West Java Basin
AbstracRole of analysis foraminifera in North West Java Basin is importance because it can be determine age and depositional environment very well. This research observes foraminifers’ that emerging at the age Miocene in North West Java Basin. Research data is result of biostratigraphic analysis from 6 chosen well representing some fields oil and gas property of XXXXX which ahead done by group of Stratigraphy PPPTMGB "LEMIGAS"...
Geochronology
From Wikipedia, the free encyclopediaIn the natural sciences under the umbrella of natural history, Geochronology is the science of determining the absolute age of rocks, fossils, and sediments, within a certain degree of uncertainty inherent within the method used. A variety of dating methods are used by geologists to achieve this.Geochronology is different in application from biostratigraphy, which is the science of assigning...
Environmental Geology
From Wikipedia, the free encyclopediaEnvironmental geology, like hydrogeology, is a multidisciplinary field of applied science and is closely related to engineering geology and somewhat related to environmental geography. They all involve the study of the interaction of humans with the geologic environment including the biosphere, the lithosphere, the hydrosphere, and to some extent the atmosphere,. It includes: • managing...
Enginering Geology
From Wikipedia, the free encyclopediaEngineering Geology is the application of the geologic sciences to engineering practice for the purpose of assuring that the geologic factors affecting the location, design, construction, operation and maintenance of engineering works are recognized and adequately provided for. Engineering geologists investigate and provide geologic and geotechnical recommendations, analysis, and design. Engineering...
Thursday, September 18, 2008
Major subdisciplines in petroleum geology
Several major subdisciplines exist in petroleum geology specifically to study the seven key elements discussed above.Analysis of source rocksIn terms of source rock analysis, several facts need to be established. Firstly, the question of whether there actually is any source rock in the area must be answered. Delineation and identification of potential source rocks depends on studies of the local stratigraphy, palaeogeography and...
Petroleum Geology
From Wikipedia, the free encyclopediaPetroleum geology is principally concerned with the evaluation of seven key elements in sedimentary basins:A structural trap, where a fault has juxtaposed a porous and permeable reservoir against an impermeable seal. Oil (shown in red) accumulates against the seal, to the depth of the base of the seal. Any further oil migrating in from the source will escape to the surface and seep. •...
Introduction Mining
From Wikipedia, the free encyclopediaMining is the extraction of valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam. Materials recovered by mining include bauxite, coal, copper, gold, silver, diamonds, iron, precious metals, lead, limestone, magnesite, nickel, phosphate, oil shale, rock salt, tin, uranium and molybdenum. Any material that cannot be grown...
Economic Geology
From WikipediaEconomic geology is concerned with earth materials that can be utilized for economic and/or industrial purposes. These materials include precious and base metals, nonmetallic minerals, construction-grade stone, petroleum minerals, coal, and water. The term commonly refers to metallic mineral deposits and mineral resources. The techniques employed by other earth science disciplines (such as geochemistry, mineralogy,...
Introduction Tectonic
From Wikipedia, the free encyclopediaTectonics, (from the Greek for "builder", tekton), is a field of study within geology concerned generally with the structures within the crust of the Earth (or other planets) and particularly with the forces and movements that have operated in a region to create these structures.Tectonics is concerned with the orogenies and tectonic development of cratons and tectonic terranes as well as the...
Important Principles of Geology
There are a number of important principles in geology. Many of these involve the ability to provide the relative ages of strata or the manner in which they were formed.The principle of intrusive relationships concerns crosscutting intrusions. In geology, when an igneous intrusion cuts across a formation of sedimentary rock, it can be determined that the igneous intrusion is younger than the sedimentary rock. There are a number...
History of Geology
A mosquito and a fly in this Baltic amber necklace are between 40 and 60 million years oldThe work Peri Lithon (On Stones) by Theophrastus (372-287 BC), a student of Aristotle, remained authoritative for millennia. Peri Lithon was translated into Latin and some other foreign languages. Its interpretation of fossils was the most dominant theory in classical Antiquity and the early Middle Ages, until it was replaced by Avicenna's...
Monday, September 15, 2008
Geology Definition
From Wikipedia, the free encyclopediaGeology (from Greek: γη, gê, "earth"; and λόγος, logos, "speech" lit. to talk about the earth) is the science and study of the solid matter that constitutes the Earth. Encompassing such things as rocks, soil, and gemstones, geology studies the composition, structure, physical properties, history, and the processes that shape Earth's components. It is one of the Earth sciences. Geologists have...
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