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

 A new lead zinc silver deposit found in southern Arizona.


http://arizonageology.blogspot.com/2016/09/zinc-lead-silver-mineral-deposit.html


Harry Allen

The geologists are coming

From the AZ geologic survey

 A short geology rap

Harry Allen

Geo tour of Northern Arizona

The Arizona  Geologic Survey posted a  Geo tour of Northern Arizona -- A virtual Field trip

Geotour

Check it out

Harry Allen

airplane geology

On your next flight --find out the geology of flyover country/

rocks from above

Harry Allen