History & Geology
Calcite and Limestone
February 2017 by Chris Ralph
The other distinguishing feature of calcite has to do with its chemistry. Geologists sometimes take a small bottle of dilute hydrochloric acid out into the field with them because calcite reacts with acids to make a bubbly foam.
Additional articles that might interest you...
Alaska: Kodiak Islands Mineral Resources
March 2016
The fresh material is worked and concentrated by the waves on the flat, wide beach platform. The waves wash away the lighter minerals, leaving the heavies near the bluffs and in depressions on the beach.
The fresh material is worked and concentrated by the waves on the flat, wide beach platform. The waves wash away the lighter minerals, leaving the heavies near the bluffs and in depressions on the beach.Prospecting for Diamonds
January 2013
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
The Strange History of the Utica Mine
January 2016
In the summer of 1854, John Selkirk, a discouraged placer miner who was down on his luck and ready to go back to Massachusetts, tied his mule up in a gulch north of what is now downtown Angel's Camp.
In the summer of 1854, John Selkirk, a discouraged placer miner who was down on his luck and ready to go back to Massachusetts, tied his mule up in a gulch north of what is now downtown Angel's Camp.
Critical Metals: Copper
May 2012
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
From time to time I’ve been doing a series on critical metals and how important they are to our complex and technological society. This month we are going to take a look at copper, and how important that metal is to our modern lives.
Gold Deposits of the Ivory Coast
April 2014
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
Prospecting for Surface Flood Gold Placers on Low and Intermediate Gradient Streams
February 2015
Sample panning is a very important method used to find the richest parts of a flood gold deposit before setting up equipment and running material.
Sample panning is a very important method used to find the richest parts of a flood gold deposit before setting up equipment and running material.Critical Metals: Antimony
June 2016
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony.
Subscription Required:
The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts: Looking for help on unproven claim
• Detecting Basics: Lose the Bad Habits Not the Gold
• Feather River Gold
• Detecting Alluvial Bench Deposits
• Underground Mining: Getting the Ore Out
• From Vietnam to Wedding Bands
• Trade-Ins, Swaps and Like-Kind Exchanges
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
Free:
MMAC Update
