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Oldest pterodactyloid species discovered, named by international team of researchers
Oldest pterodactyloid species discovered named by international team of researchers
2014/5/13
WASHINGTON—An international research team, including a George Washington University (GW) professor, has discovered and named the earliest and most primitive pterodactyloid—a group of flying reptiles t...
MIT team solves longstanding volcanic mystery
MIT team volcanic mystery the thermal structure
2009/6/8
For decades, geologists have been puzzled by the mechanisms that give rise to the kind of volcanoes that form the so-called "ring of fire" around the Pacific Ocean. These arc volcanoes, which account ...
Scripps/UCSD Geophysicist Among International Team Finding Evidence of First Plate Tectonics 3.8 Billion Years Ago（图）
plate tectonics
2007/3/26
March 22, 2007，Identification of the oldest preserved pieces of Earth's crust in southern Greenland has provided evidence of active plate tectonics as early as 3.8 billion years ago, according to a re...
December 17, 2006，EAST LANSING, Mich. — After nearly 30 years of waiting, Michigan State University’s Michael Velbel finally got his opportunity to analyze some mineralogical samples that were collect...