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UPI
The southeastern United States isn't known for its seismic activity, but the region does experience the odd earthquake.
A new study — published in the Journal of Geophysical Research: Solid Earth — offers an explanation for the phenomenon.
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The Washington Post
The crystal blue waters of the Gulf of Mexico hide evidence left by an ancient killer.
It's a "Crater of Doom" more than 100 miles across, left behind by the gigantic chunk of space rock that crash-landed here 66 million years ago. The impact was 2 million times more explosive than the most powerful man-made bomb ever detonated. It would have sparked earthquakes, triggered tsunamis, turned the Earth warm as a greenhouse and then cold as an icebox. The cataclysm is thought to be responsible for the deaths of some 75 percent of all Earth's species, including all the non-avian dinosaurs. After weeks of drilling into this prehistoric crime scene, scientists have finally uncovered the rocks that saw it happen.
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Alcalde
Earth's history has been marked by several periods of warmth, when levels of heat-trapping carbon dioxide were several times higher than today. Earth has also experienced several cooler periods, when glaciers covered much of the planet and carbon dioxide levels were generally lower. Researchers have found that during the past 720 million years when volcanoes along continental arcs were more active, Earth was more like a greenhouse.
When the planet saw less continental arc volcanic activity, it was more like an icehouse. This finding suggests that carbon dioxide from volcanoes is the primary driver of Earth's long-term climate cycles.
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AIPG
To have your abstract considered for a presentation or poster, please click here to submit an abstract online by June 6.
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AIPG
The purpose of the AIPG Student Chapter of the Year Award is to recognize the most outstanding student chapter for their participation in, and contribution to, the American Institute of Professional Geologists. The award will consist of a plaque to be presented to the student chapter, a certificate to each of the officers of the chapter at the time of their submittal, a $500 award for the chapter, and a trip for one member of the winning student chapter to the annual AIPG conference and executive meetings. The student that attends the annual meeting will observe the organization and functions of AIPG and participate in the executive board meeting.
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AIPG
The AIPG Section Leadership Award was established by the Executive Committee in 2013 to recognize one or more of our members who have demonstrated a long-term commitment and have been long-term contributors to AIPG at the section level. AIPG has many sections where one or more individuals have demonstrated exceptional leadership for their section and in many instances kept the section together and moving forward. These individuals are commonly not known at the National level or by AIPG members outside of their sections, however, their contributions have been vital to their sections and they perform this work because of their commitment to our profession and AIPG. The award will consist of a plaque (or similar) that will be presented to the awardees at the annual meeting of AIPG.
Based on the above criteria the Awards Committee may select multiple nominees for the award.
The AIPG Section Leadership Award is administered by the Executive Committee of AIPG. The selection of the winning member(s) will be decided by the AIPG Awards Committee. The deadline for submittal of nominees for the AIPG Section Leadership Award, to AIPG National Headquarters, is May 31 of each year. The nomination form for AIPG Section Leadership Award (pdf file or Word doc). The awardees will be announced in early July so they may attend the annual meeting.
AIPG
The Ohio Section of AIPG will hold a field trip on May 21, to explore the Kope formation on the Cincinnati Arch. The field trip will be led by Dr. Carlton Brett of the University of Cincinnati. The focus of this trip will be on the upper Lexington-Point Pleasant and Kope in the region of northern Kentucky from Cincinnati to the Maysville, Kentucky, area.
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| Date |
Event |
More Information |
| May 14 |
AIPG California Section — UC Davis Student Chapter Field Trip |
Registration |
| May 14-15 |
AIPG Texas Section Field Trip |
Registration |
| May 18-19 |
GSA Rocky Mountain Section |
Moscow, Idaho |
| May 20-21 |
AIPG Ohio Section Field Trip: Exploring the Lexington-Point Pleasant and Kope Formations in Northern Kentucky |
More information |
| June 14-15 |
6th Annual AIPG Michigan Section Technical Workshop — Environmental Risk Management: Why, When, Where and How |
Roscommon County, Michigan |
| June 25 |
AIPG Executive Committee Meeting |
Thornton, Colorado |
| Aug. 8-11 |
NCSL Legislative Summit |
Chicago |
| Aug. 17-18 |
17th Annual Energy Exposition |
Loveland, Colorado |
| Aug. 22-25 |
Rocky Mountain Energy Summit |
Denver |
| Aug. 27-Sept. 4 |
35th International Geological Congress |
Cape Town, South Africa |
| Sept. 10-13 |
AIPG 2016 National Conference |
Santa Fe, New Mexico |
| Sept. 18-24 |
Association of Environmental &
Engineering Geologists 2016 Annual Meeting |
Kona, Hawaii |
| Sept. 25-28 |
GSA National Conference |
Denver |
| | FROM THE AIPG ONLINE STORE |
AIPG
AIPG white T-shirt with screen print with AIPG logo on front and "Geologists are Gneiss, Tuff and a Little Wacke" on back. Sizes: Small - 2XLarge (An additional $1.50 will be added for 2XL.) AIPG Member Price is $23 and includes shipping.
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AIPG
Baseball Hat — AIPG's baseball cap has a velcro enclosure and embroidered lettering. Available colors: black, royal blue, tan, white, navy
Outback Hat — The "down under" styling adds a sense of adventure to any outing. Heavyweight 100 percent cotton canvas; drawstring with cord locks and fashion brass eyelets. Two-side snaps give the option of wearing the brim up or down. Available colors: canvas/canvas, canvas/navy (navy inside).
Sportsman Hat — A fun-loving choice that's a true fashion accessory, with 100 percent cotton, three-panel construction, self-fabric sweatband and stitched eyelets. Lightly brushed to soften the fabric and color. Available colors: berry, black, classic navy, faded denim, green, jet black, khaki, steel blue, white.
  
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AIPG
AIPG's lightweight jacket is perfect for spring and summer. It is 100 percent polyester with a locker loop, dyed-to-match zipper, front pouch pockets and elastic cuffs and hem. Available colors: black, red, lime, blue, navy. Available sizes: small-3XLarge.
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Trinity College Dublin via Science Daily
In a paper just published in the journal Geochimica et Cosmochimica Acta, the team proposes that large meteorite and comet impacts into the sea created structures that provided conditions favorable for life. Water then interacted with impact-heated rock to enable synthesis of complex organic molecules, and the enclosed crater itself was a microhabitat within which life could flourish.
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Science Alert
To those of us spending nearly all of our time above ground, cool and damp underground caves might not seem like they have an awful lot to do with climate change. But the geochemical composition of mineral deposits called speleothems — ie. stalactites and stalagmites — can actually tell us a whole lot about the climates of times past. A new study led by Australian researchers has found that wildfires burning on the surface can elicit a "post-wildfire response" in the cave networks below.
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ZME Science
NASA just released the first ever topographic model of Mercury, the planet closest to the Sun. This is the first time a digital elevation model (DEM) has been released of Mercury. A DEM is a 3-D representation of a terrain's surface, usually for a planet, moon or an asteroid. The model was created thanks to NASA's Messenger mission, which orbited Mercury from 2011 to 2015 and sent over 10 terabytes of Mercury science data, including nearly 300,000 images, millions of spectra and numerous map products. The model revealed a trove of interesting facts about Mercury, including rather unexpected topographic features.
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Scripps Institution of Oceanography
At the outset of the 2015-2016 El Niño season, researchers at Scripps Institution of Oceanography at UC San Diego recognized that all the ingredients of a major event were in place.
Observations of tropical Pacific water temperatures and atmospheric conditions indicated that El Niño could steer powerful storms towards California and drive numerous changes in coastal and marine ecosystems. But, tempered by the historic complexity of forecasting El Niños, they steered clear of making the breathless predictions of cataclysmic rains made by others.
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University of Cincinnati
The traditional geology curriculum has always presented severe problems of access to students with various disabilities. Physical impairment limits access to field outcrops, and visual impairment limits the use of the optical microscope for observing rocks in thin section. Ivan Carabajal, the first ever master's student in geoscience education at the University of Cincinnati, is trying to change that.
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The Siberian Times
Sixty researchers will spend ten days inside Kek-Tash Cave in the Altai mountains. It is the largest scientific expedition organised by the Russian Geographic Society over the past 20 years by the number of participants. Speleologists, geologists and bio-speleologists from all around Russia will go down the cave at the request of Sergei Shoigu, the head of Russian Geographic Society.
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University of Barcelona via ScienceNewsHub
Seismographic data of earthquakes, volcanoes and glaciers, as well as industrial activity in a gravel pit can be transformed into a sound piece with visual support. This is the original proposal raised by Earthworks, an artistic work of the British duo Semiconductor premiering in June on the Sónar festival in Barcelona. Geologists from the University of Barcelona participate in the project.
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