Soil Summary:
dominant soils are very shallow and shallow to granite and similar rocks; very cobbly loams or very gravelly sandy loams throughout, some soils are very gravelly fine sandy loams or gravelly coarse sandy loam over gravelly sandy clay loam or sandy clay loam; no or modest soil development (clay accumulation); dominated by Pima County soil survey map units 16 (Chimenea very gravelly fine sandy loam, 5 to 15 percent slopes), 70 (Romero-Oracle complex, 25 to 60 percent slopes), and 40 (Lampshire-Romero-Rock outcrop complex, 10 to 65 percent slopes). These units comprise 44%, 34% and 22% of the ELT, respectively
Geologic Materials:
alluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) which comprises 100% of the unit
