Geology

Jamaica was known as the world’s top producer of bauxite producers globally, with a capacity of up to 5 million tonnes annually (1957-1971).  Since then Jamaica has remained in the ...

Introduction Many are familiar with the platinum group element and chromite-rich rock sequences, and vanadium magnetite layers of the Bushveld Igneous Complex, South Africa, which make up the world’s largest ...

“I am the rich Potosi, the treasure of the world, the king of mountains, and the envy of kings” Charles V Emperor Holy Roman Empire, King of Spain. Despite the richness ...

In this column on great deposits, I have discussed those that were rich, big, changed destinies, broke governments and accumulated a wealth of stories. However, only one has definitively changed ...

One of the first things to recognize in the mining industry, is that all that glitters may not be gold. I’m not talking about the time the CEO of a ...

A company covered by this site in the past has released a new resource. It was: 281,059 AuEq oz in the indicated category (1.21 Million tonnes (“Mt”) grading 7.23g/t AuEq at ...

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 ...

Introduction We often find references to veins, dikes (or dykes) and sills in descriptions of mining projects or in news releases. They may host economic minerals, relate to important project ...

Introduction A magmatic arc hydrothermal system is a class of hydrothermal systems that interlink major styles of precious metal and base metal deposits. These deposits include well known types like ...

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 ...