Key words: Acid leaching; Copper refractory ore (CRO); Gangue acid consumption (GAC); (mica, asbolane and iron oxides) and do not dissolve easily.
Porphyry copper ore is challenging X-ray mineralogy. The mineralogy of Swelling clay and kaolinite may prevent the flow of liquids within the leach pad. Calcite Agglomera
Influence of chelating reagents on leaching of copper ore. diameter laboratory columns containing copper ore. oclase, mica, chalcopyrite, bornite, co-.
and Santa Cruz Joint Venture in a copper deposit near Casa Grande, AZ. Discussions in- ing in situ leach mining of shallow to moderately deep copper oxide ores. 9 pct mic
The copper ore bodies mined from 1911 to 1938 at Kennecott, Alaska (now within In-situ leaching technologies are based on geology, geochemistry, solution wet-ground mica
Konkola concentrates at Nchanga, with the leach liquor being treated by solvent refractory copper-bearing micas in the CRO ore at elevated temperatures.
Bio-leaching - A process for recovering metals from low-grade ores by Biotite - A platy magnesium-iron mica, common in igneous rocks. Chalcopyrite - A sulphide mineral of
Supergene sulfide ores rich in native copper minerals are refractory to treatment with sulfuric acid leaching on all practicable time
Dump leaching - waste rock, low grade ore or concentrator tailings (low grade, oxides and secondary sulfides) are leached
The mineralogical analysis showed that about 90 % of the cupriferous mica dissolved into solution whilst chrysocolla and pseudomalachite completely dissolved in
Nov 1, 1992 The results of these experiments indicate that biotite may absorb copper during in situ and heap leach mining, which could result in lowered
In the case of secondary sulphide copper ores, heap leaching can offer a be associated with quartz, feldspars, and some types of mica (Watling et al., 2014).