T. Naibaho, T.
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PEMATANG PANTAI PURBA SEBAGAI PERANGKAP GAS BIOGENIK DI PESISIR INDRAMAYU PROVINSI JAWA BARAT SUATU KAJIAN PENDAHULUAN Kurnio, H.; Naibaho, T.
Jurnal Geologi dan Sumberdaya Mineral Vol 21, No 5 (2011): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

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Abstract

Biogenic gas potency in Indramayu coastal area had been studied by coastal characteristic mapping, soft sediment sampling using specially designed gravity corer and information of gas seeps from local people. The preliminary study was carried out through gatherings of secondary data from many sources which meant to better understand the forms of paleo-dunes in coastal zone of Indramayu surround Cimanuk River deltaic system that already buried subsurface. The study found out that this alternative gas potency is trapped within paleo-beach sand in Indramayu coastal zone. The study also found that the buried beach sand at southeast of Cimanuk River delta's system parallel to northwest-southeast orientation of recent coastline is bearing biogenic gas potency. Based on field observation, the locations of gas seeps take place on the beach sand mentioned. The study also performed utilization of biogenic gas by community south of Indramayu.Key words: paleo-coastal dune, biogenic gas trap, Indramayu coastal zone.
KARAKTERISTIK PANTAI INDRAMAYU KETERKAITANNYA DENGAN KEBERADAAN GAS BIOGENIK Kurnio, H.; Naibaho, T.; Mustafa, M. Akrom
Jurnal Geologi dan Sumberdaya Mineral Vol 20, No 1 (2010): Jurnal Sumber Daya Geologi
Publisher : Pusat Survei Geologi

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Abstract

Indramayu coast is characterized by sandy coastal dunes, with mangroves in between. The existence and conservation of mangroves are very important for biogenic gas occurences in this area; while the subsurface paleo sandy coastal dune sare strongly predicted as a gas reservoir. An inventory of Recent sandy dunes using coastal characteristic mapping method is important, because through dune identification; paleo-coastal dune condition that has already been in the subsurface can be identified. Detailed investigation is still required in order to truly invent this biogenic gas potency, before being utilized especially for the local community. The detailed exploration can be done through grid hand auger drillings combined with a subsurface radar for its lateral distributions.Keywords : coastal characteristics, biogenic gas, Indramayu