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| | Summary of Citation (Site not responding. Last check: 2007-10-31) |
 | | Type area includes a stretch along trail between Madera and Gardner Canyons and north slope of Cave Creek Canyon in Santa Rita Mountains, Santa Cruz Co, AZ, Mount Wrightson quad. |
 | | Publication: Asmerom, Yemane, Zartman, R.E., Damon, P.E. and Shafiqullah, Muhammad, 1990, Zircon U-Th-Pb and whole-rock Rb-Sr age patterns of lower Mesozoic igneous rocks in the Santa Rita Mountains, southeast Arizona; implication for Mesozoic magmatism and tectonics in the southern Cordillera: Geological Society of America Bulletin, v. |
 | | New U-Pb zircon data in Santa Rita Mountains, Pima and Santa Cruz Cos, AZ, Basin-and-Range province, yield ages of 190-170 Ma (Pliensbachian to Bajocian, Late Jurassic). |
| ngmdb.usgs.gov /Geolex/Refsmry/sumry_6082.html (740 words) |
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