The Central African Copper Belt
Sediment-hosted copper deposits are the second most important source of copper next to porphyry copper deposits and account for about […]
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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.
Limestone: Commodity Overview
Limestone is one of the most important and versatile industrial mineral commodities. It is a crucial mineral in the making
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Great Deposits – Alaska’s Pebble Copper-Gold Deposit
There are big deposits and then there are supermassive deposits. A big deposit will have a good 20-40 year resource life at with
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GoldQuest Mining Corporation – Romero Project
Exploration for mineral deposits is hard. Promising geochemistry can lead nowhere, geophysical anomalies can remain anomalous, alteration zones can get
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Thomson Resources – Bygoo Tin Project
One of the joys of writing for this site, is that I get to research and discover new properties, companies and
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Great Deposits – Grasberg Part 3 – Mining and Engineering
In our first two articles we discussed the history and geology of the Grasberg Mine and it is now time to come back
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Lithium: Commodity Overview
Lithium (Li) is a metallic element that is most often found in granitic “pegmatites” (intrusive igneous rocks), brines (salty solutions),
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Ascot Resources Ltd: Premier Gold Property
Over the “doldrums” of summer I watched the usual news stream of AGM’s, depressing corporate updates, mildly unexciting exploration updates, leavened with the
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Great Deposits- Grasberg Part 2 – Geology
In Grasberg Part 1 we discussed the social and cultural aspects of the Grasberg deposit and outlined it’s long and fascinating
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Silica and Diatomite: Commodity Overview
Silica Silica (SiO2) occurs naturally as crystalline quartz, some less important forms of quartz, and opal. Quartz can be found
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