Tungsten isotopic constraints on the age and origin of chondrules
Gerrit Budde, Thorsten Kleine, Thomas S. Kruijer, Christoph Burkhardt, and Knut Metzler PNAS2016 ; published ahead of print February 29, 2016, doi:10.1073/pnas.1524980113 LINK “Significance The origin of chondrules—millimeter-sized silicate-rich spherules that dominate the most primitive…