Conrey Dredge No. 4

November 2017 by Don Madore

The large buckets were favorable for the type of ground worked. The gravel was tenacious and compact, due to the existence of irregular pockets of clay.

Weathering, Erosion and Placers

April 2017
The big interest to prospectors thinking about the effect of erosion is not what might happen long into the future, but what they might find in the rivers later this summer when the water levels go down.

The Birimian Greenstone Belts of West Africa

June 2013
A few years ago I had a tremendous opportunity to visit Australia and hunt for gold there. The geology of the gold deposits there was somewhat different from what I was used to here in the US. I learned a lot about greenstone belt gold deposits while prospecting them in person, and it was an amazing trip.

Refractory Gold Processing

February 2013
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.

Nevada's Lithium Boom

March 2017
When prospecting for lithium, after confirming for macro attributes through research and field work, including examination of surface geology, the main tool is an accurate lithium assay.

WSGS Releases New Geologic Maps

December 2011
The Wyoming State Geological Survey announced ten new geologic maps have been completed and are now available.

Ask The Experts

June 2015
Gold in clastic black shale

Eolian Placer Gold

February 2012
I would first like to mention that I am not a geologist. I have, however, spent the last 8 years intently searching for gold nuggets with a metal detector. I have found gold in numerous locations, and in several different types of gold deposits.

Subscription Required:
The Bawl Mill   • Legislative and Regulatory Update   • Ask The Experts - How do I work this glacial deposit?   • Ask The Experts - How do I best recover gold in pyrite?   • It Pays to Know Your Bedrock   • BLM Cancels 10-Million-Acre Sage Grouse Mineral Withdrawal   • Take it to Bedrock   • The Beatty Mining District of Nevada   • Flood Plain Gold Deposits—What Are They Really?   • Exploring Iron Oxide Copper Gold Deposits   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
Over the Divide: Nancy Glenn; Sondra (Adelson) Bernzweig