TY - RPRT TI - Alkalic and tholeiitic basaltic volcanism related to the Rio Grande depression, southern Colorado and northern New Mexico AU - Peter W. Lipman PY - 1969 DO - 10.1130/0016-7606(1969)80[1343:aatbvr]2.0.co;2 UR - https://pubs.usgs.gov/publication/70223872 ID - 70223872 ER -