• Cerro Rico – Greatest of the Great. Geology

    “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 of the deposits, the geology follows a well worn story. A 13.6 million year...

  • Cerro Rico – The greatest of the great.

    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 the world. Cerro Rico, or Potosi in Bolivia, is perhaps the g...

  • The Nugget Effect. What is it, and how to recognize it.

    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 junior exploration company picked up drill core freshly drilled from the corebox and called a zone of ...

  • Interview with an Exploration Geologist – Atoka Gold

    All too often, in exploration geology we only hear about the big scores. The Chuck Fipkes, the David Lowells, the Robert Friedlands. It has been my pleasure to work with many, many talented geologists who don’t have the same name brand recognition, b...

  • What is cut-off grade? An introduction to overlooked yet critical concept in mining and resource investing.

    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 3.5g/t AuEq cut-off)  319,675 AuEq oz in the inferred category (1.64 M...

Geology for Investors. Make Sense of Mining Company Investments

Exclusive evaluations and opinion of junior mining company projects, important and emerging mining and exploration districts. We provide reviews of current exploration and mining projects as well as compelling news from the world of geology and exploration. 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.

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