By Roger Taylor
This textual content concentrates upon box observations bearing on leached cappings and gossans, taking place as oxidised floor expressions of underlying ore zones.
Although the appearance of contemporary multielement geochemical sampling and more straightforward mechanical excavation help significantly in subsurface interpretation, there are nonetheless many events the place the 1st commentary and popularity are made by means of the lone box geologist. New exposures stay present in distant and infrequently tricky terrains, the place “on the spot” talents are of major importance.
In basic phrases the textual content has been prepared from the vast scale to the categorical, and it's going to be realised that every one scales supply necessary enter for ultimate interpretation. the subjects coated include:
• Theoretical perspectives
• preliminary recognition
• basic box observations
• special box observations (secondary minerals, boxworks)
• Porphyry copper leached cappings
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Extra info for Gossans and Leached Cappings: Field Assessment
Gossans and Leached Cappings: Field Assessment by Roger Taylor