搜索结果: 1-14 共查到“国际动态 Rocks”相关记录14条 . 查询时间(0.062 秒)
Partly melted rocks under Earth’s surface offer insights into what makes plate tectonics possible（图）
地球表面 板块构造 构造地质学
2023/6/26
Using seismic waves, scientists detect widespread partially molten rock hidden under the Earth’s tectonic plates in a new way, a step in settling a long-held geological debate that has big implication...
Turning carbon emissions into rocks（图）
碳排放 岩石 清洁能源 气候学
2023/7/7
Chemist Peter Psarras has good reason to call himself a musical rock star—after all, he plays bass and keyboard semi-professionally—but he’s more likely to claim “rock” stardom of the geological bent....
Rocks at asteroid impact site record first day of dinosaur extinction（图）
Rocks asteroid impact site record first day dinosaur extinction
2019/10/18
When the asteroid that wiped out the dinosaurs slammed into the planet, the impact set wildfires, triggered tsunamis and blasted so much sulfur into the atmosphere that it blocked the sun, which cause...
UMD-led Study Finds Ancient Earth’s Fingerprints in Young Volcanic Rocks
UMD-led Ancient Earth’s Fingerprints Young Volcanic Rocks
2017/4/27
Earth’s mantle is made of solid rock that nonetheless circulates slowly over millions of years. Some geologists assume that this slow circulation would have wiped away any geochemical traces of Earth’...
Old Rocks,Biased Data:Overcoming Challenges Studying the Geodynamo
Old Rocks Biased Data Overcoming Challenges Studying Geodynamo
2017/3/13
Gleaning data from old rocks may result in bias. Now, geophysicists have a way to improve their methods to overcome challenges in studying the history of the Earth's core and magnetic field that make ...
UW Study:Ancient Rocks of Tetons Formed by Continental Collisions
UW Study Ancient Rocks Tetons Formed Continental Collisions
2016/2/22
University of Wyoming scientists have found evidence of continental collisions in Wyoming’s Teton Range, similar to those in the Himalayas, dating to as early as 2.68 billion years ago.
Red Rocks and Ivy Tech teams place first and second in NSF Community College Innovation Challenge
Red Rocks lvy Tech teams place first and second NSF Community College Innovation Challenge
2015/7/13
Teams from Red Rocks Community College in Colorado and Ivy Tech Community College of Indiana placed first and second in the National Science Foundation's (NSF)Community College Innovation Challenge...
Scientists discover carbonate rocks are unrecognized methane sink（图）
carbonate rocks methane sink
2014/12/1
CORVALLIS, Ore. – Since the first undersea methane seep was discovered 30 years ago, scientists have meticulously analyzed and measured how microbes in the seafloor sediments consume the greenhouse ga...
Orion rocks! Pebble-size particles may jump-start planet formation（图）
rock Pebble-size particles jump-start planet formation
2014/9/1
Astronomers using the National Science Foundation’s (NSF) Green Bank Telescope (GBT) have discovered that filaments of star-forming gas near the Orion Nebula may be brimming with pebble-size particles...
Penn geophysicist teams with mathematicians to describe how river rocks round（图）
Penn geophysicist teams river rocks
2014/3/20
A new study by the University of Pennsylvania's Douglas Jerolmack, working with mathematicians at Budapest University of Technology and Economics, have found that rocks follow a distinct pattern as th...
Scientists Target East Coast Rocks For CO2 Storage（图）
Scientists Target East Coast Rocks CO2 Storage buried volcanic rocks Power Plants
2010/1/8
Scientists say buried volcanic rocks along the heavily populated coasts of New York, New Jersey and New England, as well as further south, might be ideal reservoirs to lock away carbon dioxide emitted...
Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologis...
Geologists Map Rocks to Soak CO2 From Air--6,000 Square Miles in U.S. Might Turn Emissions to Harmless Solids（图）
Geologists Map 6,000 Square Miles in U.S. Emissions Harmless Solids
2009/12/10
To slow global warming, scientists are exploring ways to pull carbon dioxide from the air and safely lock it away. Trees already do this naturally through photosynthesis; now, in a new report, geologi...
History professor’s Cradle of America: Four Centuries of Virginia History rocks to rave reviews
history
2007/4/13
BLACKSBURG, Va., March 28, 2007 -- Peter Wallenstein, professor of history at Virginia Tech, is the author of the newly released Cradle of America: Four Centuries of Virginia History. Pushing 500 page...