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August 27, 2015

Geology News - Wed, 08/26/2015 - 23:10

Gem Corundum from Snezhnoe, Tajikistan
Gemological Institute of America

Properties and Uses of Corundum

Isn’t Pennsylvania Already Mapped?
Pennsylvania Geology (editorial, page 2)

Inspecting Oil Rigs With Drones Captures Huge Savings

Oil Sands Producer to Begin Test Operation in Utah

What Are Oil Sands ?

Saudi Arabia Discovers That World Producers Are Not Very Responsive to Low Prices

Alaska Governor Plans to Call for TransCanada Buyout in Gas Project
Alaska Dispatch News

Arizona Mining Review (Gold King Mine Spill / Global Mining Law Center)
Arizona Geological Survey

0:00 Arizona Mining Update with Nyal Niemuth

7:44 Gold King Mine Spill – An elegant solution for remediating acid mine drainage, Gail Heath (Research Professor, Lowell Institute for Mineral Resources, University of Arizona)

19:30 University of Arizona Global Mining Law Center with Professor John Lacy

Categories: Geology news

The Acid Test

Geology News - Wed, 08/26/2015 - 23:05

The Acid Test: Geologists use dilute hydrochloric acid to identify carbonate minerals and detect their presence in rocks.

Categories: Geology news

Rock and Mineral Identification

Geology News - Tue, 08/25/2015 - 23:05

The ability to identify rocks and minerals in the field is a very important skill. The Geology.com store has a selection of rock, mineral, fossil and gem mineral kits that can be used for learning and practice. Testing tools are also available.

Categories: Geology news

Mohs Hardness Scale

Geology News - Mon, 08/24/2015 - 23:05

Mohs Hardness Scale is a set of reference minerals used to estimate the relative hardness of mineral specimens. It is widely used by students and geologists in field and laboratory studies.

Categories: Geology news


Geology News - Sun, 08/23/2015 - 23:05

Peridotite is a host rock of chromite, a source rock of diamonds, a potential sink for atmospheric carbon dioxide and the rock that makes up much of Earth’s mantle. Did you realize it was so important?

Related: Misconception: Diamonds Don’t Form From Coal

Categories: Geology news

What is a Maar?

Geology News - Wed, 08/19/2015 - 23:05

Maars are the second most common volcanic feature on Earth.

The largest maars are found on the Seward Peninsula of Alaska. Do you know what they are and how they form?

Categories: Geology news

Wall Maps of US States

Geology News - Tue, 08/18/2015 - 23:01

Raven Maps are beautiful examples of shaded-relief wall maps that display the elevation of a US state in vibrant colors.

These large maps look great in a classroom, den or office. They can be perfect for marking your corporate locations.

Categories: Geology news

August 18, 2015

Geology News - Mon, 08/17/2015 - 23:10

Devonian Shales in the Broadtop Synclinorium, Appalachian Basin
United States Geological Survey

Scientists Share Their Funniest Blunders
The Washington Post

EPA’s Report on the Gold King Mine Spill
The United States Environmental Protection Agency

Shell Gets Final Approval to Drill for Arctic Oil

Arctic Ocean Seafloor Features

Enormous Boulders Moved by Arizona Flooding
Arizona Geology

Washington DC is Sinking
Discovery News

Obama Administration Allows Oil Trading with Mexico
The U.S. can sell locally abundant light crude to Mexico and Mexico can sell heavy crude to the U.S.
The New York Times

Seaweed Smothers Caribbean Beaches
The Washington Post

Using Parents’ Highest Education Level as a Proxy for the Socioeconomic Status of Science and Engineering Students
American Geosciences Institute

Gulf of Aden Earthquake
This earthquake occurred yesterday on the transform fault that separates the West Sheba Ridge from the East Sheba Ridge – a spreading center between Africa and Asia
United States Geological Survey

Categories: Geology news


Geology News - Mon, 08/17/2015 - 23:05

Olivine is the name of a group of rock-forming minerals. These minerals are usually found in mafic and ultramafic igneous rocks. They are also found in Earth’s mantle and in some meteorites. Although olivine is not often used in industry, high clarity specimens with good color are cut into a gemstone known as peridot.

Categories: Geology news

Geological Fieldbooks

Geology News - Sun, 08/16/2015 - 23:02

Rite in the Rain bound books are manufactured with true outdoor-durable components. This bound book with factory-numbered pages and project identification form (project/client location, date) on every page is suitable for taking important notes that might be required for regulatory review or legal testimony. Included are 20 reference pages and removable photographic scale. Book has 63 leaves (136 pages) and measures 7 1/2″ x 4 3/4″.

Categories: Geology news

The Strangest Volcanic Landscape

Geology News - Thu, 08/13/2015 - 23:04

One of the world’s strangest volcanic landscapes is located 269 feet below sea level in the Danakil Depression of Ethiopia. It is the Dallol crater, where phreatic eruptions through salt created a maar with colorful and caustic salt deposits.

Related: What is a Maar?

Categories: Geology news
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