Bentonit adalah suatu variasi dari jenis lempung, terjadi sebagai hasilalterasi dari abu gunung api yang diendapkan dalam suasana laut. Atas dasar tersebut, sasaran penyelidikan tersebut akan ditujukan kedaerah-daerah yang mengandung endapan lempung tufan yang diendapkan dalam suasana laut.
As resenfeld (2004,p.423)wrote,'A significant practical contribution of geomorphology is the identification of stable landforms and sites with a low probability of catastrophic or progressive involvement with natural or maniduced precesses adverse to humon occupance or use.
This exploration is a realization of the program proposed in the previous report made by the author. slight changes have been made in the field particulary on the location of drillholes. The spacing is adjusted to the lateral distribution of the deposit. Moreover, the location of the proposed plan site is shifted toward the west since the former is …
The field work in South Sumatra was carried out from may until June 1973. Ir. Rusli Djalil Assisted in collecting and processing the data required for this report. In edition to the industry survey a special study was made on "labor mobility". This data was collected and processed by titoed Hartolo, B.A. some tables of this survey are included in th…
Many common terms in metamorphic petrology vary in their usage and meaning between countries ,and there is a range of specialized rock names that have been applied locally .the international union of geological sciences (IUGS)subcommision on the systematics of metamorphic rocks (SCMR)has aimed to resolve this position and to present systematic termi…
The sand deposite there are found in the form of flat dunes whices consist of the frontal and the back dunes. The depressions between both dunes is covered by swamps. Where these swamps are lacking the vegetal cover is mostly luxurious. The most promising are the frontal dunes. Consequently only these were investigated.
This report is the result of various informations visits to the provincial capital Palembang in December 1972, february 1973,and March 1973. Discussions were held with goverment officials (mainly the Governor's office and the department of public works) and with colleagoues of the FAO-Team (Land and Water resources Development Southeastern Sumatera-…
Whatever one's views,it cannot be daubted that there is a pressing need to respond to the social,economic and intellectual challenges of global environmental change .much of the debate on these issues has been crystallised around the activities of the IPCC (intergovernmental panel on climate change) .the IPCC process was set up in 1988 ,a joint init…
The publication of this volume marks amilestone for the series .as part of the preamble to the first volume ,published just over 25 years ago ,my predecessor and founding editor of the series ,gerry govett ,listed the titles of the volumes he envisaged in the the series .these would build a comprehencive set of handbooks cevering the various operati…
Granit di daerah riau terdapat di kabupaten kepulauan Riau, Kabupaten Kampar Kabupaten Indragiri hulu dan Kabupaten Indragiri Hilir, namun yang paling luas terdapat dikepulauan riau. Secraa petrografis jenisnya terdiri dari granit biotit,granit hornblenda,granit hornblenda biotit,granit muskovit-biotir,granit kataklasik/genes,pegmatit,aplit,porfiri …