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Did Theia Leave a Trace Deep Within Earth?
By Jim Brace-Thompson
Per one theory, Earth gained its companion Moon thanks to a violent collision with a Mars-sized “proto-planet” dubbed Theia some 4.5 billion...
Parting Shot: Indonesian Marcasite in Agate
This large cabochon of Indonesian Marcasite in agate is made from material mined in Sumatra, Indonesia. Keith Dull obtained the slab from which he...
Rewriting the History of Plants on Earth
By Jim Brace-Thompson
For some 90 years, paleobotanists have known about an ancient group of plants known as Noeggerathiales from 325 to 251 million years...
Trilobite of the Week: ALBERTELLA longwelli
By Joseph "PaleoJoe" Kchodl
The Cambrian trilobite ALBERTELLA longwelli has a very small pygidium or tail section, but it ends with two very long, rearward-pointing...
A Rookie Prospector’s Tale
By Gary A. Monroe
I developed an interest in rockhounding a few years ago. I was watching a television show about hunting opals in Australia....
Food for Fuel and Fun: Chocolate Pineapple Delights
By Antoinette Rahn
I’m not always a huge fan of cooking, but I like to eat (don’t we all?), so such is the case of...
American Copper Forged Nearly 10,000 Years Ago!
By Jim Brace-Thompson
Populations of humans on Earth have been divided into such time periods as the Ice Age, Stone Age, Iron Age, Bronze Age,...
To the Moon and Beyond!
By Jim Brace-Thompson
News hit the stands recently about two of our close celestial neighbors, the Moon and Mars. Sadly, Michael Collins, the third member...
Unexpected Find Becomes Tumbling Treasure
Editor's Note: The regular Tumbling Talk is sponsored by Kingsley North, www.kingsleynorth.com.
By Bob Rush
I have a 40-pound rotary tumbler and two 12-pound rotary units...
The Return of Fall 2021 Wildacres Workshop
By Helen Serras-Herman
We are very excited that after more than a year of canceling three EFLMS Wildacres Workshops due to COVID-19, finally the EFLMS...
