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How astronomers found the hidden global ocean on Saturn's moon Enceladus
Motherboard
To astronomers, a massive global ocean looks like just the slightest wobble — a thin deviation from an anticipated orbit. Such an irregularity can't be accounted for in models of Saturn's moon Enceladus as a completely frozen sphere. The moon's icy exterior clearly isn't connected directly to its solid rock guts. In between must be liquid water, and a lot of it. This is the conclusion announced by NASA this month via a paper accepted for publication in the journal Icarus.
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Southern Ocean: Reconstructing environmental conditions over the past 30,000 years
EurekAlert
In the last 30,000 years there were, at times, more mixing in the Southern Ocean than previously thought. This meant that vast quantities of nutrients were available to phytoalgae, which in turn contributed to storing the greenhouse gas CO2 during the last glacial period. Researchers from the Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research present these new findings in a study published in the journal Nature Communications.
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Could this double crater hold secrets of mass extinction?
The Christian Science Monitor
Two meteorites slammed into the earth at the same time, about 458 million years ago, scientists say. Researchers have found two impact craters in Jämtland, Sweden, less than 10 miles from each other. One crater stretches an impressive 4.7 miles wide. The other is a bit smaller, not quite reaching 2,300 feet across. Such a simultaneous hit is rare, and this instance may be the first conclusively proved double impact on Earth.
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AIPG executive director position announcement
AIPG
The American Institute of Professional Geologists is accepting applications for the position of Executive Director. The position is to be filled as soon as a qualified candidate is vetted. Applications will be accepted until the position is filled.
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MARK YOUR CALENDAR

Date Event More Information
Sept. 29-30 AIPG Georgia Section: "Innovative Environmental Assessment of Remediation Technology Kennesaw, Georgia
Dec. 9 AIPG New England Aquifers: Elusive and Complex Conference Marlborough, Massachusetts
Dec. 16 AIPG New England Aquifers: Elusive and Complex Conference Glastonbury, Connecticut
April 5-6, 2016 AIPG Water Resources Unplugged Conference Orlando, Florida
Sept. 9-13, 2016 AIPG 2016 National Conference Santa Fe, New Mexico




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AIPG outback hat available
AIPG
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AIPG expandable briefcase
AIPG
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INDUSTRY NEWS


After more than 126,000 years, extinct steppe mammoth emerges to show off his giant tusks
The Siberian Times
Scientists are delighted at the discovery of a virtually full skeleton preserved in permafrost; however, the ancient remains, believed to date from the Middle Pleistocene stage, do not include soft tissue. It is the second major find of a steppe mammoth — the largest-ever elephant and trunked mammoth — in Russia this summer, and its tusks were each 2.5 meters in length, with the pair weighting 150 kilograms.
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New clues suggest meteor craters in 3 US states
WJFK-FM
Professionals and amateurs looking for evidence of meteor strikes on Earth often come up empty. Plate tectonics and natural erosion usually erases all traces of craters. There are only about 185 known impact craters on our planet. By contrast, the moon has more than 100,000. But new technology is making it easier for geologists to find evidence of ancient impacts, which is much easier and far more accurate than scouring satellite photos and maps.
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Svalbard peaks 100,000 years older than thought
The Local
The Norwegian mountains of Svalbard are sharp and pointy, which geologists would typically cite as evidence that they are relatively young, as older mountains become rounded off and eroded by glaciers during ice ages. However, a study led by Endre Før Gjermundsen, from the Department of Arctic Geology at The University Center in Svalbard, showed that, although the Svalbard mountains had been covered in ice for long periods, they had not been eroded.
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In US shale fields oil flow slows
The Dallas Morning News
The flow of crude from what had been the country's fastest-growing oil and gas regions, like Texas' Eagle Ford shale, is declining rapidly, according to data released by the federal government. The Energy Information Administration reports that across the country's seven largest shale deposits, oil production is expected to fall to 5.2 million barrels a day next month, the sixth consecutive month of decline and a 6 percent drop since April.
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TRENDING ARTICLES
Missed last week's issue? See which articles your colleagues read most.

    Hidden superchain of volcanoes discovered in Australia (Live Science)
University of Tasmania researchers discover surprising geological history (The Courier Mail)
Study looks closer at vulnerability of watersheds in West (KBSX-FM)
Spherical wonders: Geologists have a few theories about how concretions formed (The Columbus Dispatch)

Don't be left behind. Click here to see what else you missed.




Mount Aso: Japan's biggest active volcano erupts
Latinos Post
The largest active volcano in Japan reminds humanity of the irresistible power of nature. Mount Aso speweed smoke and ash 2,000 meters into the sky the morning of Sept. 14 just months after its last eruption, triggering the cancellation of no less than 30 flights. "We found that the smoke rose not only vertically but also horizontally. The eruption could have pyroclastic flows," said meteorologist Sadayuki Kitagawa.
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Integra's virtual gold exploration challenge kicks off, amid international fervor
Creamer Media's Mining Weekly
Amazon Web Services has joined TSX-V-listed Integra Gold's Gold Rush Challenge, which officially opened to competitors on Sept. 16. AWS would provide cloud computing capabilities to the hundreds of participants in the challenge, where entrants would analyse large amounts of mining data to locate the next big gold discovery at Integra's Sigma/Lamaque properties, in Quebec.
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Seafloor photo mosaic from 4,000 meters deep
Hydro International
The joint European project "Ecological Aspects of Deep-Sea Mining" wants to know what the ecological consequences are of mining manganese nodules. In August 2015, an international team of scientists led by the GEOMAR Helmholtz Center for Ocean Research Kiel, Germany, investigated manganese nodule fields in the eastern Pacific Ocean with the German research vessel Sonne. The team brought back amazing images and data from the seabed.
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