TY - RPRT TI - U-Pb geochronology of zircon and monazite from Mesoproterozoic granitic gneisses of the northern Blue Ridge, Virginia and Maryland, USA AU - J. N. Aleinikoff AU - W.C. Burton AU - P. T. Lyttle AU - A. E. Nelson AU - C.S. Southworth PY - 2000 DO - 10.1016/s0301-9268(99)00056-x UR - https://pubs.usgs.gov/publication/70022509 ID - 70022509 ER -