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Examples of mineral gold grains under the SEM (Leichliter, 2012).

Examples of mineral gold grains under the SEM (Leichliter, 2012).

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Figure 2. Geologic and structural map of the La Colosa deposit (Horner,...
Figure 3. Examples of mineral gold grains under the SEM (Leichliter, 2012).
USING GEOMETALLURGICAL MODELS TO AID IN METALLURGICAL TESTWORK FOR PRE-FEASIBILITY PROJECTS, LA COLOSA, COLOMBIA
Conference Paper
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  • Sep 2018
The La Colosa, Colombia porphyry gold deposit is currently in the pre-feasibility stage. This large deposit has many types of gold mineralization: native gold, electrum, and tellurides. These variations in the gold mineralization lead to variability in the gold recovery. The final process flowsheet may include gravity concentration with cyanide lea...
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... overall minerals directly associated with the gold mineralization are K feldspar and pyrite Leichliter, 2012). The average gold grain size is 3-4 microns (very fine grained), although there has been coarse gold grains observed at 35- 50 microns Leichliter, 2012) (Figure 3). ...

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