Platinum—Group Metals

September 1999 by Guest Writer

Ask the Experts

February 2014
Marketing other minerals recovered while gold mining

Volume is the Key to Success

June 2017

While recovery rates are important, they must necessarily be secondary to the volume of material processed. Running more material at lower recovery rates is generally preferable to increasing the efficiency of the system.

Gold in Panama

November 2001
Panama is a long, narrow isthmus, 30,200 square miles in area, that separates Costa Rica from Colombia. It is best noted for the Panama Canal, which is now under the control of the Panamanian government, aided by the United States. The canal bisects the country and is an engineering marvel that was opened in 1914.

Proposal Submitted for Lab at Homestake

July 2001
Rapid City, S.D. (AP)—Scientists and a team of South Dakotans have submitted a $281 million, five-year plan to turn Homestake Mine in Lead into the world’s largest underground laboratory.

Visionaries, Scoundrels, and Gamblers

February 2000
Ask leading historians to name Colorado's top 10 builders and the list quickly grows to 50 people. The list includes visionaries, scoundrels and gamblers.

Maitland Bar Nugget to Go On Display

January 2016
The box sat in a hallway and employees began using it for impromptu cricket games, no knowing what it contained.

Estimating Gold Values in Placer Gravels

May 2005
The single most important question to be answered when evaluating a placer deposit is: “How much is it worth?” Accurate sampling of placer gravels is essential to obtain a reasonable estimate of the total gold values contained in the deposit.

Subscription Required:
The Bawl Mill   • Over the Divide   • Our Readers Say   • Feds Eye Restrictions on AZ Archaeological Sites   • IMF Reconsidering Gold Sales to Finance Debt   • Governors Focus on Aid for Laid-off Miners   • Nevada Counties, Towns Get Forest Service Grants   • Labor Dept. Approves Aid to Laid-off Nevada Miners   • Company Notes   • ISEE Celebrates 25 Years   • Picks & Pans: Basic Dry Washing Operations in Gold Placer Mining   • Washington Miner Wins Poetry Contest   • Gold Coin Sales Boosted by Low Prices   • The Klamath Mountains   • Silver Posts Best Price in 11 Years—Strong Investment Interest and Steady Demand Cited   • Historic Mining at Mount Diablo, CA   • Gold in the Drum Mountains   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

Free:
Legislative Update