TY - RPRT TI - Article navigation zonal distribution of variations in structural state of alkali feldspar within the Rader Creek pluton, Boulder Batholith, Montana AU - Robert I. Tilling PY - 1968 DO - 10.1093/petrology/9.3.331 UR - https://pubs.usgs.gov/publication/70211005 ID - 70211005 ER -