General geology of the area is composed of the tertiary and the quartenary. The former which is mainly marine sedimen is divided in to two, the miocene and the pliocene, having an uncomformity between them at the vicinity of tuban and madura but not observed in the pati district,the west part of the area the quantenarry has not only marine but also…
A Large Quantity of calsitic dolomites and dolomitic limestones are found in the sekapuk region north of gresik (Surabaja). The largest reserve is found at G. Sekapuk, while at other mountains, which have the same shape as G. Sekapuk, indications of dolomite are found.
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Deskripsi Fisik
13 Halaman, Tanpa Warna, Cover Hijau, 2 Lembar Pet
Adanya tjebakan Zn, Pb dan Cu di gunung Sawal telah diketahui sejak lama, menurut laporan2 yang ada pada pusat Djawatan Geologi di Bandung, hal itu dapat dipelajari dari laporan-laporan
The Quartz sand deposits in the area west of tuban are investigated by the geological survey during trip made from June-July 1957. These quartz sand deposits occur in the dunes of the coastal area between the small village awar-awar and tembakbojo.
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ISBN/ISSN
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Deskripsi Fisik
10 Halaman, Tanpa Warna, Cover Hijau, 2 Lembar Pet
The operations were conducted by the author in colaboration with Messrs. Norvig and stuckmann, consulting engineers to the Macdonald Engineering company. core drilling was started in August 1935 with 2 hand drilling outfitsand pumping equipment that had been hired from Messrs.
Keadaan batu jarosit itu hanya di aloeran yang dahulunya ada air saja. jadi tidak akan bisa jika kita mendapat batu jarosit ditempat yang tinggi. akan tetapi disebagian tempat yang lebih tinggi daripada aluran air disebelah timur ada juga jarosite.
On the NE Slope of the Tangkubanparahu volcano near Tjiater at a height of about 1000 m above sealevel, a number of hot springs have caused extensive sinter deposits and crusts of iron oxides.
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ISBN/ISSN
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Deskripsi Fisik
10 Halaman, Tanpa Warna, 5 Halaman LAmpiran, Cover
According to a communications of the Berau of Industries of the Department of Economic Affairs in the Neighbourhood of Bandjoeasin a fire clay was said to occour of very good quality.
It is district ffrom enclosure No.1 that the Kawah Idjen, a crater filled with acid water, is situated in the eastern part of a large crater -wall composed of the idjen mountainrange, the still active Raung volcano and the kendeng montain range.
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ISBN/ISSN
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Deskripsi Fisik
16 Halaman, 5 Halaman Lampiran, Tanpa Warna, Cover