Tuesday, January 7, 2020
Moving to Facebook
For up to date postings we have moved to Facebook group Central Arizona Geology Club
Thursday, August 31, 2017
Tuesday, May 23, 2017
Thursday, February 16, 2017
Grand Falls are flowing
Photos from Daryl and Karen Austermiller's flight over the falls. Note the black lava damn that caused the Little Colorado River to flow around it and form the falls as it returned to its former river bed.
Harry Allen
Thursday, October 20, 2016
Evidence for an Old Canyon
the Geology Page presented some of the evidence for an Old Canyon
grand-canyon-at-least-70-million-years-old.html
The debate continues,
Harry Allen
grand-canyon-at-least-70-million-years-old.html
The debate continues,
Harry Allen
Saturday, September 10, 2016
A new lead zinc silver deposit found in southern Arizona.
http://arizonageology.blogspot.com/2016/09/zinc-lead-silver-mineral-deposit.html
Harry Allen
Wednesday, March 23, 2016
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