Mining, Quarrying & Prospecting

Native copper Photo by Rob Lavinsky Time and strata bound ore deposits are formed because of a specific geological event that caus...

Gabbro a dark colored mafic rock Photo by Tanno4595 Gabbro deposits are noted for their polymetallic sulfides that are often as...

An example of a shaft mine, the Oryx Mine in South Africa Photo by Babakathy A recent question that was posed to the author on www.al...

This piece of art is composed of earth materials. There are about 7,000 active mines on the face of the earth as we speak for a wide v...

Chromite the mineral of interest in Ontario's Ring of Fire Photo by Andrew Silver   USGS Located in northwestern Ontario the Ring...

During the early part of the 1400s, Eighty-Seven years before Columbus discovered the New World the largest Bluewater fleet in the world ...

According to the USGS sand & gravel is one of the most accessible natural resources in the United States second only to crushed stone ...