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…
geochemistry indicated several copper values of grea't'er than 1000 ppm. where the eastern cr o ss l Lne of the soil grid is still open to the ea s t . Follow-up geological work in Ligi was based on the above date focussed attention on Ligi Stream and its tributaries. were started on February 12 and lasted to Harch 26, 1974.…
Naturally, gypsum occures as a sulphate mineral containing water of crystallization. Gypsum is used widely in industrial, construction and medical sectors. Anhydrite as its name implies is the sulphate without water of crystallization. In addition anhydrite is found in association with gypsum. Recently, domestic gypsum end-users show some sig…
lt management of a p-ow1dwuter irricot:i.:m project covers a wide field, requi r.ing vcj ose cooperation with other orsanis2.tions, an intensive on farm extension effort and ;i centralised repair arid madrrt enanc e serv i ce , Tho t ot.e L number o f…
This report covers my activities from August 2 to November 5,1972, in geochemical exploration as a part of the U. S. Geological Survey (USGS) program in cooperation with the Geological Survey of Indonesia (GS!) sponsored by the Government of Indonesia and the Agency for International Development (AID) under Participating Agency• Agreelll…
Bahan galian industri (mineral industri dan batuan) mer-upakan ahan tambang yang sangat di perlukan untuk kehidupan sehari-hari, ermasuk dalam menunjang pembangunan fisik. Meskipun nilai atau arga bahan gal i an i ndu st r i r el ati f mur ah , namun dalam pengelolaanya cepat menghasilkan ( quick yi e Ldi n qs ) sehing…
Whitney, Ph.R., 1975. Relationship of manganese+iron oxides and associated heavy metals to grain size in stream sediments. J. Geochem. Explor., 4: 251-263.The distribution of ammonium citrate-leachable lead, zinc and cadmium among size fractions in stream sediments is strongly influenced by the presence of hydrous Mn-Fe oxides in the …
During the early part of August until 7th 1 was in Bangka. We had Intended to leave on 3rd August, but the Garuda Flight scheduled for that day was cancelled, so i though it would be a good opportunity to view the terrain in Sumatera, and on 7th Agustust crossed by small boat to Palembang where we took a train to pandjang and crossed to djawa where …