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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.

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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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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Molybdenum: Commodity Overview

Introduction Molybdenum (Mo, Atomic number 42) is a silvery grey metal, notable for its extremely high melting point (2623°C). It has many uses in the aerospace, military and petroleum industries, ...

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Limestone: Commodity Overview

Limestone is one of the most important and versatile industrial mineral commodities. It is a crucial mineral in the making of Portland cement and mortar, but is also used in ...

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