Arizona Geology: Grand Canyon not as old as recently claimed

More on the debate about the age of the Grand Canyon that we heard about at the last meeting.

Arizona Geology: Grand Canyon not as old as recently claimed


Harry Allen

Ike Before and After Pictures

This is a link that shows the effect of a large storm (Ike)on an offshore bar near Houston
You can see that most of the sediment movement that you can really see occurs via the large storms.
It is a form of the old geologic theory of Catastrophism.

Hurricane Ike Before and After Pictures

Never own a place on a flood plain or off shore bar if you want to keep it for a long time.

Harry Allen

Virtual Seismic Atlas « Clastic Detritus

Have you ever wanted to see what goes on in the subsurface.
This is a link to a site that shows you the seismic pictures of some cool geologic
structures from all over the world.

Virtual Seismic Atlas « Clastic Detritus

This give you an idea about the data people use to intrepret the subsurface geology.

Now find the OIL.

Harry Allen

Five most important minerals

Here is a good question for all.

What are the five most important minerals to know and why?

One answer is here>
All of My Faults Are Stress-Related

What do you think?

Quartz
Calcite
Clay minerals
Feldspar
Olivine
Ice

Pick your favorite five.

Harry Allen

Arizona Geology: UA scientist verifies 'hockey stick' climate model

Feeling a little warm???

Arizona Geology: UA scientist verifies 'hockey stick' climate model

Harry Allen

Sciencedebate 2008

Presidential answers to Science questions

Part One -- Obama answers

Sciencedebate 2008

Part two -- Mc Cain later (when the answers are released)

Harry Allen

Arizona Geology: Iron King mine - Humboldt Smelter added to Superfund list

We have a new superfund site in the neighborhood

Arizona Geology: Iron King mine - Humboldt Smelter added to Superfund list

Harry Allen