TY  - RPRT
TI  - SHRIMP and Conventional UPb ages of Ordovician granites and tonalites in the central Appalachian Piedmont: Implications for Paleozoic tectonic events
AU  - John N. Aleinikoff
AU  - J. Wright Horton,
AU  - Avery Ala Drake
PY  - 2002
DO  - 10.2475/ajs.302.1.50
UR  - https://pubs.usgs.gov/publication/70209291
ID  - 70209291
ER  -