Tag: geology
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Earth’s Moving Magnetic Pole
From National Geographic: Santa better check his compass, because the North Pole is shifting—the north magnetic pole, that is, not the geographical one. New research shows the pole moving at rapid clip—25 miles (40 kilometers) a year.
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Devils Kitchen Sinkhole Imminent Collapse
Via Geology.com from Arizona Geology … In 1990, the U.S. Forest Service, concerned for the safety of unwary visitors, prompted a geologic study of one sinkhole, Devils Kitchen. This article summarizes study results of the geometry, origin and potential hazards of Devils Kitchen sinkhole…
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Buried Mountains
From BBC: Scientists who mapped one of the most enigmatic mountain ranges on Earth have given a first glimpse of their data. An international team spent two months in 2008/9 surveying the Gamburtsevs in Antarctica – a series of peaks totally buried under the ice cap.
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Undocumented Volcano
ScienceDaily (Dec. 7, 2009) — South Dakota State University researchers and their colleagues elsewhere in America and in France have found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809. The discovery helps explain the record cold decade from 1810-1819.
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Oil Sand Pollution
Via University of Alberta: After an exhaustive study of air and water pollution along the Athabasca River from Fort McMurray to Lake Athabasca, researchers say pollution levels have increased as a direct result of nearby oilsands operations. University of Alberta biological sciences professor David Schindler was part of the team that conducted a long-term air…
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ESCONI Meetings This Friday and Saturday – Learn about Field Museum Meteorites & Split Geodes
Friday, January 8 – General Meeting. 8:00 p.m. Jim Holstein, of the Department of Geology at the Field Museum will be speaking on “The Field Museum’s Meteorite Collection.” Learn about meteorites, what they are, the different types, how they’re identified, and what we can learn from them. College of Dupage Building K, Room #131. Saturday, January…
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Meetings This Weekend
Friday, 11/13, General Meeting, 8:00 pm, College of Dupage, Rm K 131, Speaker: Dr. David Malone speaking on Exploring for Manto-Style Pb-Zn-Ag Deposits in the Forty-Mile Range, East Central Alaska Saturday, 11/14, Mineralogy Meeting, 7:30 pm, College of Dupage, Building K – Rm 131. Micromineralogy of the Upper Pennisula, explanation of how to create a…
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One Million Year Storage
Informative article about Yucca Mountain from Bldgblog: Abraham Van Luik is a geoscientist with the U.S. Department of Energy; he is currently based at the nuclear waste-entombment site proposed for Yucca Mountain, Nevada. Yucca Mountain, a massive landform created by an extinct supervolcano inside what is now Nellis Air Force Base’s Nevada Test and Training…
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New Theories on Midwest Banded Rocks
Via R&D: A study appearing today (Oct. 11) as an advance online publication in Nature Geoscience offers a new picture of how these colorful bands developed and what they reveal about the composition of the early ocean floor, seawater, and atmosphere during the evolution of the Earth. Previous hypotheses about band formation involved seasonal fluctuations,…
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Here is a Method of Helping Geologists Get a Map in the Field
An IPhone App provides maps for the states of Arizona, California, Texas, New York, New Jersey and Connecticut, Florida, Washington/Oregon, with more states to be available.
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The Secrets of Geo Mysteries
The Children’s Museum of Indianapolis offers a website on the secrets of geo mysteries.
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Listening to Rocks
Via Science Daily: …Earth is not a quiet planet. The key is knowing how to listen to the ever-present ambient noise. University of Illinois seismologist Xiaodong Song and graduate student Zhen J. Xu have become good listeners, especially to the sounds beneath our feet. Using a technique called “ambient noise correlation,” Xu and Song have…
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(?) Geologic Processes
Interesting and informative web site with animations explaining all types of geologic processes. via Novageoblog
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(broken link) Iron of Earth’s Past
Via Geology.com from Science News: Scientists are decoding the geological secrets of banded iron formations, By Sid Perkins: …. BIFs, as they’re known to geologists, are enigmatic. All seem to have started out as sediments on ancient seafloors, and by some estimates the oxide mineral accumulated in all known BIFs contains about 20 times as much oxygen…
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Wolfram Alpha: Brand New Way to Do Knowledge Based Computing
Wolfram Alpha is a brand new knowledge-based computing site. The esteemed inventor of Wolfram Mathematica, Stephen Wolfram, explains the purpose of the site: … long-term goal is to make all systematic knowledge immediately computable and accessible to everyone. We aim to collect and curate all objective data; implement every known model, method, and algorithm; and…
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If I Could Turn Back Time: Over a Decade With ESCONI by Mary Fairchild
“The Mazon Creek flora is renowned for being almost completely collected by amateurs. Since 1858, in an area covering approximately 100 square miles, untold numbers of collectors have gathered fossils in quantities unprecedented in North America.” Jack Wittry In the mid-1990s when our family first became interested in collecting fossils, one of our…
