Looking at the moon while a graduate student at Princeton, he was convinced that it had been pockmarked not by explosive volcanism, as many geologists then thought, but by asteroid .
Spheres like these can be formed either by volcanism or by minerals accreting under water, but the way the blueberries are mixed randomly through the rock not layered on top .
Boslough describes himself as "totally agnostic" on the existence of antipodal volcanism.
Opportunistic bivalves, high-flying diatoms, mirror-like faults, and petit-spot volcanism ( Geological Society of America ) New Geology studies posted online ahead of print on Sept. 6, 2013, cover faulting and strain; mineralogy; tsunamigenic earthquakes; the formation of banded iron formations by microbial processes; stalagmites in Vanuatu; garnets; the world's largest saltpan complex and one of the world's largest inland deltas; estuaries beneath ice sheets; volcanism; erosion ...
Sept. 10, 2013 - EurekAlert!
Gerta Keller in FOXNews The asteroid-impact "theory is now facing perhaps it's most serious challenge from the Deccan volcanism and perhaps the Chicxulub impact itself," Keller said Monday during a news conference at the annual meeting of the American Geophysical...
David J. Stevenson in CNN International The presence of crystalline ice is surprising,said Stevenson, who was not involved in the new study but wrote a review of it for the journal. "Yet it might be that we are seeing evidence for 'planetary' processes such as volcanism within...