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All Articles Tagged As: craters
Evidence suggests that 'sick Earth' extinctions more likely
...> Full Article
 | The asteroid presumed to have wiped out the dinosaurs struck the Earth with such force that carbon deep in the Earth's crust liquefied, rocketed skyward, and formed tiny airborne beads that blanketed the planet ...> Full Article |
 | Meteorite linked to mass extinction 65 million years ago was four to six kilometers in diameter ...> Full Article |
Evidence of the biggest meteorite ever to hit the British Isles has been found by scientists
...> Full Article
 | The most detailed three-dimensional seismic images yet of the Chicxulub crater, a mostly submerged and buried impact crater on the Mexico coast, may modify a theory explaining the extinction of 70 percent of life on Earth 65 million years ago. ...> Full Article |
 | Researchers have taken cores from the sediments of a Canadian Arctic lake and found an interglacial record indicating two ice-free periods that could pre-date the Holocene Epoch. ...> Full Article |
 | A spectacular megabreccia (a coarse rock assemblage composed of large angular-to-rounded fragments, some over 6m in length, held together by a mineral cement - in this particular case by melted rock in the form of fine crystalline glassy material) in the Kraaipan granite-greenstone terrane, located roughly midway between Mafikeng and Vryburg, has provided the first clues to the recognition of a new meteorite impact locality. The discovery adds a sixth impact site to the list previously recorded in southern Africa and is exceeded in size only by the Vredefort and Morokweng impact structures. ...> Full Article |
 | New scientific findings suggest that a large comet may have exploded over North America 12,900 years ago, explaining riddles that scientists have wrestled with for decades, including an abrupt cooling of much of the planet and the extinction of large mammals. ...> Full Article |
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