Geology postings from April 4-16, 2013, cover volcanoes, lithospheric phenomena, convergence between north and south China, a kill mechanism for a mass extinction, fossil soils, active faults, explosivity, marine sulfate levels, base metal ore deposits, garnets and diamonds, polar reversals, earthquakes, and archeology.
Fuente : http://www.eurekalert.org/pub_releases/2013-04/gso...
Fuente : http://www.eurekalert.org/pub_releases/2013-04/gso...