Next week, on Tuesday, October 8th, I’ll be presenting a Seminar to USGS about radiometric dating of chondritic material.  If you can’t make it to that date, I’ll be presenting the same Seminar on Wednesday, November 13th at Stanford.  Please stop on by! Details below: Title: The first 20 million years: Using geochronology of chondrites … More Back to Back Seminars on Chondrites