Sections

Ecological Land Types within LTA 115.

ELT 115a

Elevation Range
Minimum: 
800 m
Minimum in ft: 
2624 ft
Maximum: 
965 m
Maximum in ft: 
3166 ft
Median: 
881 m
Median in ft: 
2890 ft
Soil Summary: 
very deep, very gravelly sandy loam to sandy loam surfaces with very gravelly sandy clay loam to clay subsoils, lime is absent or deeper in the soil profile, well developed (subsoil clay accumulation); nearly complete coverage of the unit indicates Pima County soil survey map units 73 (Sasabe-Caralampi complex, 1 to 15 percent slopes) and 9 (Caralampi extremely gravelly sandy loam, 5 to 15 percent slopes) dominate
Geologic Materials: 
alluvium and residuum associated with Boulder Conglomerate of Oro Valley, late Miocene to Quaternary (QTsb); late to latest Pleistocene alluvium (Qi3); and Holocene piedmont alluvium, undivided (Qo) which comprise 77%, 11% and 8% of the unit, respectively
Landforms: 
moderately dissected, moderately to strongly incised fan and pediment surfaces

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