Alluvial Paystreaks

November 2018 by Matteo Oberto

The gravels in contact with the bedrock or false bedrock base are often the richest. The same facts apply to the alluvial paystreaks that are formed on gravel bars; the lowest level of the gold-bearing gravel is normally the richest.

All About Chalcopyrite

March 2017
…there are loads of different copper minerals, but a large number of them form first in the ground as chalcopyrite and then through the effects of weathering are changed into other minerals like malachite, cuprite and chrysocolla.

Placer Gold Deposits of Utah

December 2018

The placer deposits of Utah occur in two distinct types of environments. These are 1) placers found adjacent to, and derived from, gold, silver and base-metal deposits; and 2) placers found in major rivers and derived from unknown, distant sources.

Gold Placers of the Kenai Peninsula, Alaska

January 2014
The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.

The Silver Islet Mountains of Utah

January 2014
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.

WSGS Releases New Geologic Maps

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

Ganes Creek After The Flood

October 2014
Doug told me that there had been a 100-year flood that took place in October of 2013 and it washed out part of the mile-long landing strip. It also washed a large, wide gully down below and above the camp.

Prospecting for Diamonds in Kimberlite

January 2014
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.

Subscription Required:
The Bawl Mill   • Ask The Experts - Skim Bar Placers article clarification   • Ask The Experts - Is LR2000 working correctly?   • Ask The Experts - What claim papers am I required to file at the county level?   • Fall Drywashing—Just the Right Time of Year   • Humble Beginnings   • Understanding Large Gold Deposit Types: Discovering New Mines   • Roads to Nowhere   • Treasure Hunters Challenge FBI Over Dig for Civil War Gold   • Out of the Ashes—New Access to Gold   • Arizona Prospector Rescued from Mine Shaft   • California State and US National Gold Panning Championships   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:
Legislative and Regulatory Update   • Gold Prospecting for Better or Worse: Doomed from the Start   • PLP Update