10 LIVRES EN ANGLAIS EN RAPPORT AVEC «CHALCOCITE»
Découvrez l'usage de
chalcocite dans la sélection bibliographique suivante. Des livres en rapport avec
chalcocite et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Atlas of the Textural Patterns of Ore Minerals and ...
nite in addition 10 the myrmekiiic (worm-like) relic forms of the bomitc in the later
chalcocite. Further evidence that the myrmekitic-symplectites of bornite with
chalcocite are due to the replacement of the bornite by chalcocite and that the
bomite ...
2
Mineral Deposits at the Beginning of the 21st Century
3 MINERALISATION Cu mineralisation consists of chalcopyrite, bornite and
chalcocite. It is hosted within breccias that plunge SW, a trend parallel to the
intersection of two major faults (MF & PF in Fig. 1). Within the brecci- ated ore
zones, ...
3
Field Guide to Rocks & Minerals of Southern Africa
CHALCOCITE Composition: sulphide Crystal system: monoclinic Hardness: 2.5-3
Specific gravity: 5.5-5.8 Streak: grey, black Lustre: metallic Named from the Greek
'chalkos' meaning 'copper'. Chalcocite is an important copper-bearing ...
4
Changing Scopes in Mineral Processing: Proceedings of the ...
Proceedings of the 6th international symposium, Kusadasi, Turkey, 24-26
September 1996 M. Kemal, V. Arslan, M. Canbazoglu. -0.6 -0.4 -0.2 0
POTENTIAL, V (SCE) Figure 2. Cyclic voltammetry curves for chalcocite at pH
9.25 in the absence ...
M. Kemal, V. Arslan, M. Canbazoglu, 1996
5
The Geology and Ore Deposits of Ely, Nevada
Chalcocite similarly treated with ferrous sulphate solution also remained
apparently unchanged. If the reaction contemplated by equation (16) when read
from left to right could be established, the result would be noteworthy in the
theory of ...
6
United States Geological Survey Professional Paper
Pyrite is the most common metal; large and well-developed crystals have been
found. " Chalcocite, chalcopyrite, and galena are usually massive, though a few
crystals have been found. Argentiferous tetrahedrite is associated with galena in
...
7
Professional Paper - United States Geological Survey
Pyrite is the most common metal; large and well-developed crystals have been
found. " Chalcocite, chalcopyrite, and galena are usually massive, though a few
crystals have been found. Argentiferous tetrahedrite is associated with galena in
...
Geological Survey (U.S.), 1905
8
Geological Survey Professional Paper
... chalcocite, stibiconite, chrysocolla, malachite, azurite, manganese oxide, and
jarosite. 1 mm bleblike grains of limonite after pyrite (black). B, Granular pyrite in
upper right (orbicular forms) has altered to concentric layers of limonite, jarosite, ...
Geological Survey (U.S.), 1984
9
The Enrichment of Ore Deposits
C. T. Kirk,1 after a comprehensive study of the ores of the Pitts- mont mine of this
district, concluded that the chalcocite was secondary, basing his argument in part
on its association with kaolin. As a result of microscopic studies of polished ...
William Harvey Emmons, 1917
10
Geology and Mineral Resources of the Ivanpah Quadrangle, ...
Protore extends upward into chalcocite ore as "ridges" in the quartz monzonite
free of faults. The chalcocite blanket is oxidized locally, particularly along the
more open faults; streaks of malachite, chrysocolla, cuprite, and native copper
are ...
Donnel Foster Hewett, 1956
10 ACTUALITÉS CONTENANT LE TERME «CHALCOCITE»
Découvrez de quoi on parle dans les médias nationaux et internationaux et comment le terme
chalcocite est employé dans le contexte des actualités suivantes.
MOD Resources reports exceptional copper recoveries
The Company reported that the results from the bornite copper sulphide ore exceed the outstanding results from the shallower chalcocite ore announced in May ... «African Mining, juil 15»
RTG Announces Further High Grade Intercepts to the North …
The revised interpretation opens up the potential for strike extensions and off-set continuation of oxide, chalcocite mineralisation (Figure 2). «Junior Mining Network, juil 15»
Archer Exploration Limited (ASX:AXE) Significant Copper at Spring …
... copper oxides cuprite (Cu2O) and native copper (Cu) before passing vertically into transition sulphide zone consisting of chalcocite (Cu2S), ... «ABN Newswire, juil 15»
Gespeg: Exploration Update for the Port Daniel and Sullipek East …
... bornite, native copper and chalcocite. The Port Daniel property is located within the Gaspé Peninsula, along the Baie des Chaleurs portion, ... «Stockhouse, juin 15»
Drill Tracker Weekly: RTG Extends Magnetite Skarns to Depth at …
The Indicated resource includes a near surface high-grade gold zone (340,000 t @ 3.2 g/t Au) as well as a supergene Chalcocite copper zone ... «Copper Investing News, juin 15»
RTG Announces Further High Grade Extensions with the Best …
Minor instances of chalcocite and lesser base metals were also observed. MDH099 drilled on the same section observed a volcanic breccia ... «Junior Mining Network, juin 15»
Mine tales: Tortolitas attracted limited mining interest
... the Apache Mine began operation in 1882 yielding secondary copper minerals including chalcocite, azurite, cuprite and malachite along with ... «Arizona Daily Star, juin 15»
BK Copper Project – Strong Copper Results Confirm and Extend BKM
... and BKM32450 intersected high grade near surface copper in brecciated and silicified volcanoclastic rocks with significant chalcocite mineralization reported. «Junior Mining Network, juin 15»
Khoemacaue to start construction on Botswana underground copper …
... the mine comprises Zeta, Plutus and Petra prospects. The mine is found to contain copper in the form of chalcocite primarily. Follow Us:. «Mining Technology, juin 15»
Eurasian Minerals Reports Initial Resource Estimate and Project …
The porphyry mineralization consists of near-surface zones of variable chalcocite enrichment grading into chalcopyrite-rich and ... «Canadian Mining Journal, mai 15»
