Geochronologic sample location with analysis. Results summary: UP-zirc: 200**; Location: Gardener Canyon Fm.. Accurate to within 5 minute (~5 miles) Arizona, Santa Rita Mountains (quad sheet MOUNT WRIGHTSON); Citation: Asmerom, Y., et al., 1990, Zircon U-Th-Pb and whole-rock Rb-Sr age patterns of lower Mesozoic igneous rocks in the Santa Rita Mountains, southeast AZ: GSA Bull., v. 102, p. 961-968.USGS OFR 03-236
Summary
Geochronologic sample location with analysis. Results summary: UP-zirc: 200**; Location: Gardener Canyon Fm.. Accurate to within 5 minute (~5 miles) Arizona, Santa Rita Mountains (quad sheet MOUNT WRIGHTSON); Citation: Asmerom, Y., et al., 1990, Zircon U-Th-Pb and whole-rock Rb-Sr age patterns of lower Mesozoic igneous rocks in the Santa Rita Mountains, southeast AZ: GSA Bull., v. 102, p. 961-968.USGS OFR 03-236