Map showing the oxygen isotope composition of granitoid rocks of the Basin-Range province

This map presents oxygen suite of granitoid rocks from Province of Nevada, Utah, isotope data for a the Basin and Range California, and Arizona. Two random samples were collected each of two randomly selected plutons within 1° x 1° area. For this study, only the m.nnbered sample was analyzed except in instance when sample GR-128 was substituted its odd-numbered counterpart (CR-127), which lost.