Monday, June 29, 2015

Wednesday, June 24, 2015

New Breccia pipe Maps from the Geologic Survey

The AZGS just put out a new map that shows a partial listing of the Breccia pipes in Northern Arizona.

Map

The high density areas with many black features are the areas that have been mapped in detail. This implies that there are many more pipes out there that are not yet mapped.

Harry Allen

Saturday, April 25, 2015

Yellowstone Magma

Here is the new picture of what is happening under Yellowstone.

Yellowstone Magma

Harry Allen

Friday, April 10, 2015

Columbia Gorge Video

Terry sent a link to a 22 min. Video on the development  of the Columbia gorge.
Have a look.
Columbia Gorge

Harry Allen

Saturday, March 14, 2015

Theory on why Denver and Prescott is a Mile High

Here is the word on a new theory why Denver and probably Arizona is at a high elevation.


Mile High Theory

From Terry Steinborn.

Thursday, March 12, 2015

Route 89 ready to open after landslide

Arizona Geology blog states the the road to Page will be open by march 27.

89 to Open

Harry Allen