A regional geochemical survey of northern sumatra was carried out between 1975-1980 the projeck was called the intgrated geological survey of nothern sumatra and was run by the directorate of mineral resources (DMR), indonesia,in coopration with british geological survey (BGS) ,united kingdom.
Penyelidikan ini bertujuan untuk menilai dan menyempitkan daerah anomali geokimia hasil penyelidikan pendahulian (oleh proyek Penyelidikan Geologi Terpadu Sumatera Bagian Utara )>
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Deskripsi Fisik
24 halaman , tidak berwarna, bergambar , cover ber
One of the main taks in geochemical exploration is the selection of thresholds for anomaly identification and classifying values on geochemical map.
Between 1969 - 1974 geochemical anomalies were selected using the upper 2.5 % of the number samples. This method of Hawkes and Webb (1962) was used for data from West Java.
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Deskripsi Fisik
Warna : Biru Halaman : 18
Judul Seri
Anomaly Definition Methods In Geochemical Exploration Used At Directorate of Mineral Resources, Indonesia