TY - RPRT TI - Zircon geochronology and ca. 400 Ma exhumation of Norwegian ultrahigh-pressure rocks: An ion microprobe and chemical abrasion study AU - D.B. Root AU - B. R. Hacker AU - J.M. Mattinson AU - J. L. Wooden PY - 2004 DO - 10.1016/j.epsl.2004.10.019 UR - https://pubs.usgs.gov/publication/70026147 ID - 70026147 ER -