TY  - RPRT
TI  - SHRIMP U-Pb zircon ages for Big Creek gneiss, Wyoming and Boulder Creek batholith, Colorado: Implications for timing of Paleoproterozoic accretion of the northern Colorado province
AU  - Wayne R. Premo
AU  - C. Mark Fanning
PY  - 2000
DO  - 10.2113/35.1.31
UR  - https://pubs.usgs.gov/publication/70209576
ID  - 70209576
ER  -