Geochronologic sample location with analysis. Results summary: KA-wr:1.56; Location: Accurate to within 1 minute (~1 mile) Arizona, Mesa Redonda area (quad sheet MESA REDONDA); Citation: Cooper, J.L., Aronson, J.L., Condit, C.D., and Hart, W.K., 1990, New K-Ar ages of lavas from the Colorado plateau-basin and range transition zone, east-central Arizona: Isochron/West, v. 55, p. 28-31.USGS OFR 03-236; Sample description: med grained, holoxlline, diktytaxitic matrix of subophitic plag and aug
Summary
Geochronologic sample location with analysis. Results summary: KA-wr:1.56; Location: Accurate to within 1 minute (~1 mile) Arizona, Mesa Redonda area (quad sheet MESA REDONDA); Citation: Cooper, J.L., Aronson, J.L., Condit, C.D., and Hart, W.K., 1990, New K-Ar ages of lavas from the Colorado plateau-basin and range transition zone, east-central Arizona: Isochron/West, v. 55, p. 28-31.USGS OFR 03-236; Sample description: med grained, holoxlline, diktytaxitic matrix of subophitic plag and aug
