Secara geologi, Indonesia merupakan wilayah yang sangat kompleks karena terletak pada pertemuan tiga lempeng besar tektonik, yaitu Lempeng Eropa-Asia, Hindia-Australia dan Pasifik. Pertemuan ketiga lempeng tersebut sangat berperan dalam proses pembentukan gunungapi yang menyimpan potensi panas bumi yang sangat besar. Daerah Kepulauan Nusa Tenggara yang berlokasi di zona perbatasan lempeng…
Magnetic, gravity, resistivity and refraction seismic surveys were made in a 2.5 km2 coastal area of titaniferous magnetite sand deposits at Meleman village, East Java. Magnetic anomaly data are consistent with models having an average susceptibility of 2.5 x 10 emu/cm? and negligible remanent magnetization with shapes of observed dunal topography or buried lens…
The impetus for publishing this set of articles was the realization that, year after year. I and my students at Stanford were making copies (with varying degrees of legibility and legality) of the same classic articles on plate tectonics and geomagnetic reversals. At first we did this because there was so little material on the subject available.
This paper discusses one of the successful application of induced polarization (IP) and magnetic methods to an epithermal gold prospect of Mt. Subang, West Jawa, Indonesia. The main host-rock for the metallic minerals in the epithermal gold deposit of Mt. Subang is an altered andesite. In this case study, therefore, the magnetic method is used to map the zone of altered andesite and to confirm …
Telah dilakukan pengolahan data hasil pengukuran medan maget total di daerah Gunung Dieng, Kabupaten Banjarnegara, Jawa Tengah. Pengolahan dilakukan dengan pemisahan anomali medan magnet regional dan anomali mdan magnet residual menggunakan pengolahan moving avarage.
The statocone of Mt. Cemara Lawang is part of The Mt. Bromo-Tengger volcano complex, East Java, Indonesia. Mt. Cemara Lawang is comosed of a sequences of deposits, comprising the big feldspar lava, andesite lava, phreatomagmatic ash fall, phreatic, basalt lava, basaltic andesite lava, andesite lava, alternating layers of pyroclastic fall and flow and the brown ash fall deposits from the oldest …
Attire par magnetisme des Roches puis rapidement par les applications du magnetisme a la volcanologie et a la sesmogenese, j'ai trouve au fil des annes a L'IPGP puis, a l'exterieur, des cooperations scientifiques et techniques qui m'ont permis de developper mes travaux.
The study that is reported here focuses on the palaeomagnetism of late Archaean flood basalts and the implications for geodynamic and geomagnetic processes during a part of this interval of early Earth history.
Kompleks Volkanik Ijen berada di Kabupaten Banyuwangi, Jawa Timur, Indonesia, terdiri dari kaldera besar dengan luas 252 km, yang di dalamnya terdapat lebih dari 15 pusat erupsi. Diantara pusat erupsi tersebut, Kawah Ijen merupakan satu-satunya pusat erupsi yang masih aktif.
Fenomena semburan gas, baik semburan yang bercampur dengan air maupun yang berupa tembusan gas, sering terjadi di Kabupaten Serang, Banten. Titik semburan gas tersebar di beberapa daerah diantaranya tersebar di Kampung Cikasap, Kampung Pematang-Masjid, Kampung Cibeutik dan Kampung Sukarame.