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Knowledge Base

Our knowledge base of articles on exploration geology and geological methods is written with the non-professional in mind. Learn the basics of geological exploration, drilling, key commodities and mining. Read about mineral deposit types and important discoveries.

Gold Commodity Overview

Aurum. Au. Geld. Gold. The ransom of kings, the symbol of royalty. The economic motor of empires since antiquity and the killer of civilizations.  For 5000 years it has held an ...

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Great Deposits – The Comstock Lode

Introduction Flying over Nevada on a clear day is one of the great joys of being an economic geologist. The Basin and Range country has abundant structural features, intrusions, deformed ...

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Ivanhoe Mines Kamoa-Kakula Project

When we write about great deposits they are most often well known mines with long established pedigrees and histories of daring exploration in isolated locations. But not all great deposits are ...

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Mining Methods: Block Caving

What is Block Caving? Block (gravity) caving is a bulk underground mining method, which allows large low-grade deposits to be mined underground. This method involves undermining the orebody to make ...

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Cobalt: Commodity Overview

Refined and purified Cobalt

Although cobalt (Co) is well known for the blue dyes that bear its name, metallic cobalt is a lustrous silver-grey. Metallic cobalt is ferromagnetic (can be magnetized) and has a very high ...

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