Central Arizona Geology Club

Devils Kitchen Sinkhole Sedona

noreply@blogger.com (Central Arizona Geology Club) — Wed, 30 Dec 2009 23:15:00 +0000

Here is a link to Paul Lindberg's Article on the Devils Kitchen Sinkhole in Sedona. This is one of the sinkholes we visited on the Sedona field trip that Paul lead for the Club.

Arizona Geology | Online!

Happy New Year to All

Harry Allen

Great Photo of mud bubble exploding

noreply@blogger.com (Central Arizona Geology Club) — Wed, 23 Dec 2009 22:22:00 +0000

This is a link to a great photo of a mud bubble exploding at the giant mud volcano in Indonesia.They can be up to 30 feet in diameter.

From Close Up or Far Away, Amazing Volcano Photos | Science & Nature | Smithsonian Magazine

Happy holidays to all

Harry Allen

Yellowstone’s “Super Plume” of Molten Rock Bigger Than Originally Thought | Courtney Lowery | New West Blog | NewWest.Net

noreply@blogger.com (Central Arizona Geology Club) — Mon, 21 Dec 2009 17:12:00 +0000

Ed Wolf sent us an interesting article on the Yellowstone "Super Plume"
It would be a Super volcano if it ever went off again.
Yellowstone’s “Super Plume” of Molten Rock Bigger Than Originally Thought | Courtney Lowery | New West Blog | NewWest.Net

Harry Allen

Paul Lindburgs Grand Canyon models

noreply@blogger.com (Central Arizona Geology Club) — Sat, 19 Dec 2009 19:52:00 +0000

Delores Manburg sent us a link to the You Tube videos of Paul Lindburg's Grand Canyon Lecture about the origin of Grand Canyon.

Paul gives the very best overview of the geologic history of the Canyon. His handmade models are the Greatest!!

Each of the videos run about 7 minutes.
We will be getting the rest of Mr. Lindberg's presentation posted as soon as we can work our way through them.
Here are the links
http://www.youtube.com/watch?v=oGGgwlvOUgc - 1st half
http://www.youtube.com/watch?v=3xU9a4iZuuc - 2nd half

Copy the links if they don't work.

Harry Allen

Video of Submarine Valcanic Eruption

noreply@blogger.com (Central Arizona Geology Club) — Thu, 17 Dec 2009 23:06:00 +0000

Here is a first video of a volcanic eruption at about 4000 ft sub sea -- this is how pillow lava is formed.

Harry Allen

Arizona topo maps

noreply@blogger.com (Central Arizona Geology Club) — Wed, 09 Dec 2009 15:57:00 +0000

Lee Allison reports in his blog that there are new downloadable topo maps available for Arizona

Arizona Geology: Arizona coverage with new generation topo maps

Arizona topo maps

noreply@blogger.com (Central Arizona Geology Club) — Wed, 09 Dec 2009 15:55:00 +0000

Lee Allison our state geologist reports :

New next gen topo maps are available for Arizona. They can be downloaded and printed on your printer.

Arizona Geology: Arizona coverage with new generation topo maps

Harry Allen

Geology Story of the Verde formation

noreply@blogger.com (Central Arizona Geology Club) — Sat, 21 Nov 2009 23:34:00 +0000

Steve Ayres of the Verde News wrote a good overview of those White rocks in the Verde Valley

geology story

Harry Allen

End of the BIF's

noreply@blogger.com (Central Arizona Geology Club) — Thu, 12 Nov 2009 21:28:00 +0000

Another article on what could have been the cause of the end the Banded Iron Formation Deposition about 1.85 Billion years ago.

Giant Asteroid Impact Could Have Stirred Entire Ocean | Wired Science | Wired.com

Harry Allen

Banded Iron Formations:

noreply@blogger.com (Central Arizona Geology Club) — Tue, 10 Nov 2009 16:33:00 +0000

a "new" BIF depositional model:

Banded Iron Formations: Interaction of Air, Water and Rocks

Some thoughts on how our BIFs got here.

Metamorphic Rocks Class change

noreply@blogger.com (Central Arizona Geology Club) — Mon, 09 Nov 2009 23:21:00 +0000

Hard Rock Fans take note:

Terry Steinborn's Metamorphic Rocks class At Yavapai Community Ed has been changed to the SpringII Session (April-May). It was going to be given in the SpringI session.

Harry Allen

Happy "birthday," dear planet

noreply@blogger.com (Central Arizona Geology Club) — Fri, 23 Oct 2009 20:35:00 +0000

(From the Nova Geoblog). Happy 6013th Birthday Earth.

NOVA Geoblog: Happy "birthday," dear planet

??How many of our legislators still believe in this Date is correct?? Are they having a birthday party today?

Harry Allen

'Shiva' Crater In India

noreply@blogger.com (Central Arizona Geology Club) — Sun, 18 Oct 2009 18:10:00 +0000

Look at this giant Crater identified off India( 500 km diameter)

PALAEOBLOG: Did 'Shiva' Crater In India Doom The Dinosaurs?

Harry Allen

'Scary' climate message from past

noreply@blogger.com (Central Arizona Geology Club) — Thu, 15 Oct 2009 21:29:00 +0000

The blog Arizona Geology had a link to this news- It is sobering if you know anyone on the coasts. So long Flordia with a rise of the sea levelof 80 to 130 feet.

BBC NEWS | Science & Environment | 'Scary' climate message from past

Harry Allen

The Big One Video

noreply@blogger.com (Central Arizona Geology Club) — Sat, 10 Oct 2009 16:06:00 +0000

Here is a video of what could happen to California when the "Big One" goes near LA

Harry Allen

The Arizona Geological Survey

noreply@blogger.com (Central Arizona Geology Club) — Tue, 29 Sep 2009 23:52:00 +0000

Take this survey to rate the programs of the State Survey. It could determine what goes extinct.

The Arizona Geological Survey | Home |

Harry Allen

Arizona Memory Project : Browse

noreply@blogger.com (Central Arizona Geology Club) — Sun, 27 Sep 2009 17:19:00 +0000

Arizona Geology has a link to old geologic reports from some of the mining districts around the state. Some old photos are also in the data

Arizona Memory Project : Browse

Harry Allen

Walking tour of historic Walker

noreply@blogger.com (Central Arizona Geology Club) — Sun, 13 Sep 2009 18:09:00 +0000

Barbara and Jim Marcel have graciously offered to lead a 5.5 mile hike of the historic Walker mining district on Saturday, September 26. We will meet at 8 am at the Petsmart parking lot by Walker Road to carpool. Bring a lunch, water, and wear appropriate clothing including good walking shoes. The trip should be over in early afternoon. No pets, please.

Fall Adult Education Geology Classes

noreply@blogger.com (Central Arizona Geology Club) — Tue, 01 Sep 2009 17:55:00 +0000

Yavapai College has an upcoming class on the Geology of Arizona's Parks & Monuments taught by Terry Steinborn and Harry Allen. Classes will be on Thursdays, 9-11 am, at the college from September 17 through October 22. There will also be a separate Edventure field trip -"The Volcanoes of Northern Arizona" to the Flagstaff area on October 23. Visit www.yc.edu/ce (class), www.yc/edu.edv (field trip) or call 717-7755 to register.

| Geologic Structures

noreply@blogger.com (Central Arizona Geology Club) — Fri, 07 Aug 2009 22:57:00 +0000

Check out George Davis's rock collection in 3D --So that you can see all sides of the rock structure. They take a little time to load but it is almost like looking at a hand specimen.

Welcome | Geologic Structures

Harry Allen

Chinleana: Repeat Photography

noreply@blogger.com (Central Arizona Geology Club) — Mon, 27 Jul 2009 17:55:00 +0000

Bill Parker at the Petrified Forest has an interesting set of repeat photos fron the Park. As you can see there has not been much change in the rocks since the 1920's. Erosion is slow in the high desert.

Chinleana: Repeat Photography - Charles Camp and Annie Alexander - 1921

Harry Allen

San Pedro River report presages Verde's future

noreply@blogger.com (Central Arizona Geology Club) — Mon, 27 Jul 2009 17:48:00 +0000

The Camp Verde Bugle does a good job explaining how the San Pedro decision could effect the Water Wars for the Verde water. "Sub flow" is what the battle is all about.

CVBugle - San Pedro River report presages Verde's future

This will be used in the law suits for the Verde Waters

Harry Allen

Acid rain responsible for mass extinction at T/J boundary

noreply@blogger.com (Central Arizona Geology Club) — Sat, 18 Jul 2009 22:19:00 +0000

Triassic/Jurassic Extinction Info. from new paper.

Stratigraphy.net internals: Acid rain responsible for mass extinction at T/J boundary

Harry Allen

Great NewTopographic Map of the World

noreply@blogger.com (Central Arizona Geology Club) — Wed, 15 Jul 2009 22:08:00 +0000

To all Map lovers:

This is a very cool Topographic map of the World

The Most Complete Topographic Map of the World

Harry Allen

State Senator: 'Earth has lasted 6,000 years without environmental laws'

noreply@blogger.com (Central Arizona Geology Club) — Fri, 03 Jul 2009 17:58:00 +0000

Lee Allison's post on one of our senators

Arizona Geology: State Senator: 'Earth has lasted 6,000 years without environmental laws'

Do you ever wonder how we get such great laws in Arizona???

Harry Allen ( no relation )