English

Noun

Rb-Sr ‎(uncountable)

1. Rubidium-strontium.
   • 2012, Wolfe AP, Csank AZ, Reyes AV, McKellar RC, Tappert R, et al., "Pristine Early Eocene Wood Buried Deeply in Kimberlite from Northern Canada", PLoS ONE 7(9): e45537. doi:10.1371/journal.pone.0045537:

     The age of the Panda intrusion has been dated precisely by Rb-Sr determinations on kimberlitic phlogopite (n = 7), yielding a robust isochron of 53.3±0.6 Ma (Early Eocene, Ypresian).