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Back in 1965 or 1966 while looking for geodes in northeast Missouri, I noticed a small black object glistening in the water in the Fox River. Thinking I had found a really shiny pebble, I reached into the water only ...
The bolder in the attached iphone image was located just offshore in Chaumont Bay on the eastern shore of Point Peninsula. It was sitting in about 5 feet of water and was interfering with the boat dock, so it was ...
How does gold & silver occur in the Boulder Batholith in Montana? The Cretaceous-aged batholith is 50 miles long and 25 miles wide and is exposed from Butte to Helena. There are numerous digs for gold, silver and ...
Draw a cross-section along the section line AB and set the stratigraphic column for Map E with the aid of the legend.
I stumbled upon an article in “Industrial Research” from 1968 on something called “Rouse Belts”. A geochemist named George E. Rouse who was a doctoral student at the Colorado School of Mines came up with a theory about earthquake zones ...
Take a look at “tru-path.org” to review test results of smartphone & rangefinder compass accuracy (or lack thereof). Is anyone interested in improving smartphone & rangefinder compass azimuth accuracy?
Have this rock on my property that seems to be two different rocks fused together. Trying to figure out what it is and how it would be formed. Any info would be great
How many geologists are successfully using smartphone compass apps in their work?
Hello, I was wondering if a geologist from the UK would be able to identify a place from just a geological description: in my college studies, I step on a description of a place with only a geological description of the ...
Types of Blasting 1. Abrasive blasting 🔹vombines a pressurized stream of air with an abrasive, which is propelled onto the surface of steel to remove paint, rust, and contaminants. 🔹Abrasive blasting can also be used on concrete to remove discoloration and other marks, ...
Minerals containing elements of economic value are generally present in all igneous rocks, but the elements may not be concentrated enough to make mining economical. Only in relatively rare circumstances are they in sufficient abundance so that mining is profitable. If the ...