The ever increasing availability of computer programs and facilities leaves no question that a geologist can perform a factor analysis with little difficulty. Be cause of this ease, there is often a tendency to apply methods without fully understanding either the logic of the method or the …
The field programme for the year 1961 and following years is mainly based on:
1. the need of counterparts for the foreigmn experts in the execution of geological explorations for the purpose of different "foreign aid projects".
2. The need of carrying out the "home projects", which is scheduled mainly during the wet season
3. the need of continuing …
A method i:. described for the preparation of trace element reference materials by a co-precipitated gel technique. The technique is applied to the manu- facture of multi-element calibration standards for the analysis of geological materials by direct-reading emission spectrome…
Economic gold deposits may be considered to fall into four classes on the basis of the concentration and precipitation mechanism: (a) primary one-stage hydrothermal extraction. with precipitation in vein conduits or on the sea-floor, (b) hydrothermal leaching of materials which have undergone a prior Au enrichment (multistage)…
Freeport Indonesia, Incoperated adalah perusahaan yang dibentuk oleh freeport Sulphur Company. Agar pelaksanaan esplorasi di Irian Barat efisien maka eksploration departmen, freeport sulphur company ditingkatkan menjadi freeport inonesia,inc. dan berkantor pusat di new york.dengan presidennya Tn. Wilson.
Program kerjasama antara PPTM dan PT TIMAH dalam proyek Tantalum adalah sebagai berikut :
1. Analisa logam Tantalum (Ta) dengan cara X-Ray Fluorencence (XRF) dan Ion-Exchange.
2. Pengambilan contoh yang represntasi untuk penelusuran lokasi Tantalum
3. Penelitian proses peleburan timah untuk meningkatkan kadar tantalum dalam terak II.
4. Penelitian u…
The kelapakampit mine covers an areas of about 2 x 1.5 sq. km. It is underlain by a pretertiary sedimentary series consisting of hard quartzitio sands and olaystono. without the excoption of the general structure of belitung,the kelakampit sendiments have boon folded long before the tin boaring granites came into existence
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