I. Pengertian" Fineness" Emas.
Termaksud dalam pengertian "fineness" emas yakni ke murnian logam emas terhadap c aapuran logam tertentu lainnya yang terdapat di alam maupun yang dibuat secara artificial. "Fineness" tersebut dapat dinyatakan dalam pengertian-nya aebagai berikut
1. Finen…
This paper is an attempt to synthesize the occurrences of Tertiary coal deposits in relation to the Tertiary sedimentary l;asin development, es~cially in its stratigraphic position. Rodern 1:asin classifications bJ Klemme (l!!'l2) and Murphy (l!!'l5) are revie~ for Indonesiao Tectonic framew:,rk of Tertiary sedimentary 1:asins bl] Koesoemadin…
Daerah eksplorasi pendahuluan meliputi seluruh wilayah Kabupaten Situbondo, Jawa Timur, yang secara geografis termasuk dalam daerah yang dibatasi oleh koordinat 113°30'00" • 114°42'00" BT dan 7°35°00"-7°44'00" LS dengan luas sekitar 1.638,50 knr'. Formasi batuan yang menyusun daerah eksplorasi terdiri dari Formasi Menur…
T. he 70's have seen carbonate reservoirs become important in Indonesia. New logging and interpretation techniques have conjointly been d~loped.
The Dual-Laterolog (DLL)* simultaneously records a deep and a shallow Iater olog and a Micro-Spherically Focused Log (MICROSFL)…
The physiological and pathological changes a{sociated with occupational exposure to mineral dusts (pneumoconioses) are briefly outlined. The minerals can be in the form of fumes, particulates, or fibres. Excessive exposure to mineral dusts results in scarring of the lung tissue and disturbance of the exchange of g…
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Deskripsi Fisik
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This revision of a former report by the same title contains numerous data on the elemental associations in all types of mineral deposits and discusses the use of various indicator elements in geochemical prospecting
The depleting of oil and gas reserves will result in the year 2000, some of the ASEAN Countries become net oil importer. Therefore export substitution should be searched. Industrial minerals development is favourable because of their quick yielding in investments. Industrial minerals are very prospective to boost the ASEAN Countries Economi…
Istilah "Toseki" pertama kali dikenal sebagai bahan baku keramik oleh Lee Cham Peung tahun 1635 di Jepang. "Toseki11 merupakan batuan yang ba.eyak mengandung serisit da.n terbe.ntuk melaJ.ui prosea ubahan hidroterma.l batua.n-batua.n riolit, perlit, da.sit da.n tu.f asam. …