The Basics

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 ...

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 ...

Overview Alteration is a term that appears in almost every junior mining company press release or project description, often repeated many times in a single paragraph. It is usually prefaced ...

On a smaller scale they can help identify planes of weakness and channels in which fluids may have deposited economic minerals. On a larger scale they can help the geologist to ...

Heat and water combined are what creates most mineral deposits. Aside from the weathering processes which will subsequently transport (placer or alluvial deposits) or concentrate the minerals in place (laterites) ...

The world is a dynamic place, the earth that we stand on, and think of as fixed, is anything but. The most unstable areas of all are the plate boundaries, ...

Technically a placer deposit is the general term for a mineral deposit formed by the concentration of moving particles by gravity. Alluvial is the name  for placer deposits formed by ...

Geologists, are known to have more opinions than economists, so it should come as no surprise that the classification of mineral deposits, is an on-going hot topic.  The details will ...

Finding an economic mineral deposit is a big deal, but few geologists get to add “found a mine” to their resume. Why? Economic conditions such as commodity prices and availability ...