One of the most promising mechanisms for the mass extinction at the K/T boundary event is blockage of sunlight by sulfuric acid aerosol, which is induced by impact vaporization of sulfate in evaporite deposits around the ...
We made an extensive compilation of noble gas data obtained from MORB, oceanic island basalts (OIB) and diamonds. On the basis of this data base, we discuss the primordial noble gases in the Earth and its implications on ...