TY - RPRT TI - 87Sr/86Sr ratios in some eugeosynclinal sedimentary rocks and their bearing on the origin of granitic magma in orogenic belts AU - Z. E. Peterman AU - C. E. Hedge AU - R. G. Coleman AU - P. D. Snavely PY - 1967 DO - 10.1016/0012-821x(67)90185-9 UR - https://pubs.usgs.gov/publication/70010565 ID - 70010565 ER -