This report represents a compilation based on data aequired froms jaarb .V/h mijnw.,the geology of indonesia ,stratigraphic lexioon of indonesia and other available report at the direktorat geology bandung ,especially on riau daratan until south sumatra ,central and southeast kalimantan and the southern part of west irian .
Dalam rangka usaha inventarisasi bahan galian pospat di Indonesia serta tinjauan tentang kemungkinan pemanfaatan dan poteris Lnya , maka disusunlah buku ini berdasarkan bebe• rapa laporan data basil penyelidikan lama maupun data yang baru.Batuan pospat terdiri dari mineral pospat yang kristal kristalnya tidak terlihat, mengandung trikalsium…
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Deskripsi Fisik
39 Halaman, tidak berwarna, cover biru, lampiran p
This chapter will deal with the policy is• sues relating to mineral land disposal. The first portion of the chapter will discuss in general terms the legal systems utilized in disposing of mineral rights and the major problems encountered; the second section will comprise an analysis of the policy alter•natives wit…
The recognition of the nature of primary and secondary dispersion halos and trains associated with mineral deposits. Although haloesand trains were known for centuries to be associated with metal deposits, the work carried out in the U.S.S.R and Scandinavia in the 1930's and early 1940's systematised the data and permitted it to be used in the most …
Hampir semua anomali magnit positip menempati kedudukan satuan babuan diorit, kecuali kearah utara dimana ditapsirkan satuan batuan ini mendekati batas litologi dari satuan batuan serpih yang tidak magnetis, anomali mas nit diatas satuan batuan diorit ini menjadi negatip. Anomali Potensial Diri selalu berasosiasi dengan anomali magnit…
Metallogenetic concept on mineral deposits of Indonesia as proposed by WESTERVELD is reviewed.
Depsite its general validity and practical applicability, certain geological phenomena and mineral occurrences seem to contradict the concept and therefore revisions are suggested A Metallic mineral distribution map with a scale 1:5000.000 accompanies thi…
Daerah Selogiri, yang terletak di Kabupaten Wonogiri, Jawa Tengah, adalah salah satu dari beberapa daerah pencarian emas di Daerah selatan Pegunungan di Jawa, Indonesia. Tiga jenis batuan intrusi dioritik-andesitik terjadi di daerah Selogiri, yaitu, porfiri andesit hornblende, porfirior hornblende diorite dan hornblende diorite, terekspos dalam depr…
The Calaveritas quadrangle is in the western foothills of the Sierra Nevada, east of the Mother Lode gold belt. Most of the quadrangle is underlain by a strongly de• formed bedrock complex that is locally covered by small deposits of undeformed stream gravels and rhyolite tuff.
The bedrock complex consists of met…
Sulawesi Island is geologically very interesting because of its typical geological position. Among others, a good understanding of the formation of Sulawesi Island contributes greatly to the SI development of the theory of plate movement which is also related to the discovery of one of important mineral resourc…
Kegiatan penelitian panas bumi daerah Mapos dilakukan untuk mengetahui karakteristik geokima panas bumi di daerah tersebut. Metode yang digunakan dalam penelitian ini meliputi pengamatan dan pengambilan conto di lapangan, analisis laboratorium serta interpretasi data. Objek penelitian ini terdiri dari manifestasi panas bumi yang muncul di permukaan,…