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Latest Depressions Stories

2008-09-25 12:00:32

SOUTH PERTH, WESTERN AUSTRALIA--(Marketwire - Sept. 25, 2008) - Caldera Resources Inc. (TSX:CDR) announced today that it has entered into an agreement to acquire CanBiomine Resources Inc. ("CanBiomine"), a private Canadian mining company developing bioleach projects in Southeastern Europe. Chris Reindler, President of Caldera commented that "This transaction will add a new dimension to Caldera, by diversifying our geographic operations outside of Australia and diversify our diamond...

2008-08-06 18:00:26

By Belleville News-Democrat, Ill. Aug. 6--COLLINSVILLE -- Mine subsidence is causing cracks to appear in the foundation of the Collinsville-Maryville-Troy YMCA. YMCA CEO Jorge Perez confirmed that the cracks appear to be due to mine subsidence, and a contractor has been hired to assess the danger to the building. "Nothing right now is causing us massive concern," Perez said. "We know the horror stories of the community and don't want to be caught up in something like that. We launched...

2008-07-24 18:00:47

By Jodi Weinberger, The Record, Hackensack, N.J. Jul. 24--RINGWOOD -- The borough's message to Governor Corzine was clear: Fix our sinkholes. In particular, Ringwood wants the state's aid in applying for a new grant that will fix the SUV-sized sinkhole in Roger DeGroat's back yard at 9 Sheehan Drive. Carrying that message back to Trenton will be Jong Nee, ombudsman for the state's Smart Growth program. She crowded into Tuesday's monthly meeting of the Community Advisory Group...

2008-07-23 15:00:00

By BARBARA WILLIAMS, STAFF WRITER RINGWOOD Sinkholes above ancient mines continue to threaten Upper Ringwood's residential neighborhood. And with related state and municipal costs approaching $1 million, there's still no clear solution to the dilemma. Resident Roger DeGroat still has a SUV-sized hole in his back yard, three years after the ground suddenly gave way just as he finished mowing his grass. Across the neighborhood, two houses sit empty, already evacuated after potentially...

2008-07-04 12:00:15

By Kevin Bonham, Grand Forks Herald, N.D. Jul. 4--Raising, extending and relocating existing dikes are the most viable flood-control measures for the Devils Lake Basin, should the lake continue to rise, according to a preliminary report from the U.S. Army Corps of Engineers. The Corps will outline those potential measures in a series of public meetings next week. The meetings are: n 7 p.m. Tuesday: Spirit Lake Casino and Resort, St. Michael, N.D. n Noon Wednesday: Cooperstown...

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2008-03-14 11:50:00

A new analysis of impact cratering data from Mars reveals that the planet has undergone a series of global volcanic upheavals. These violent episodes spewed lava and water onto the surface, sculpting the landscape that ESA's Mars Express looks down on today. Using images from the High Resolution Stereo Camera (HRSC) on Mars Express, Gerhard Neukum, Freie Universität Berlin, Germany, and colleagues are discovering the history of the Red Planet's geological activity. "We can now determine...

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2007-03-08 11:55:00

AUSTIN, Texas -- Scientists return this week to the world's deepest known sinkhole, Cenote Zacat³n in Mexico, to resume tests of a NASA-funded robot called DEPTHX, designed to survey and explore for life in one of Earth's most extreme regions and potentially in outer space. If all goes well with this second round of testing and exploration, the team will return in May for a full-scale exploration of the Zacat³n system. Sinking more than 1,000 feet, Zacat³n has only been...

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2007-02-28 12:01:01

Carnegie Mellon navigation, mapping software passes Mexican field test PITTSBURGH -- An underwater robot, shaped like a flattened orange, maneuvered untethered and autonomously within a 115-meter-deep sinkhole during tests this month in Mexico, a prelude to its mission to probe the mysterious nether reaches of the world's deepest sinkhole. Bill Stone, leader of the NASA-funded Deep Phreatic Thermal Explorer (DEPTHX) mission, said the 2.5-meter-diameter vehicle performed "phenomenally well"...

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2006-11-24 10:20:00

CALIPATRIA, Calif. -- A small white gull with an ordinary name had bird watchers flocking to the Salton Sea for what they call a "mega-rarity." The Salton Sea, a 35-mile-long lake stretching across the Imperial and Riverside county line, is a popular stop for birds heading south, and Guy McCaskie, co-author of "Birds of Salton Sea," believed he spotted a Ross' gull there a week ago. The appearance of the arctic bird nearly 100 miles east of San Diego would be the first reported in California...

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2006-05-16 12:25:00

As the fragments of shattered comet 73P/Schwassmann Wachmann 3 glide harmlessly past Earth this month in full view of backyard telescopes, onlookers can't help but wonder, what if a comet like that didn't miss, but actually hit our planet? For the answer to that question, we look to the Sahara desert. In a remote windswept area named Aorounga, in Chad, there are three craters in a row, each about 10 km in diameter. "We believe this is a 'crater chain' formed by the impact of a fragmented...


Latest Depressions Reference Libraries

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2004-10-19 04:45:41

Crater -- A crater is a circular depression on the surface of a planet, moon, asteroid, or other celestial body. Craters are typically caused by meteorite impacts, although some are caused by volcanic activity. In the center of craters on Earth a crater lake often accumulates, and in craters formed by meteorites a central island (caused by rebounding crustal rock after the impact) is usually a prominent feature in the lake. Ancient craters whose relief has disappeared leaving only a...

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Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.