Ecological Land Type

ELT 25d

Elevation Range
Minimum: 
988 m
Minimum in ft: 
3240 ft
Maximum: 
1104 m
Maximum in ft: 
3623 ft
Median: 
1044 m
Median in ft: 
3425 ft
Soil Summary: 
soils mostly shallow to bedrock in a complex of limy very gravelly over extremely cobbly loams with little or no development associated with limestone and better developed non-limy extremely channery loams over extremely channery clays related to phyllite; Pima County soil survey map unit 42 (Mabray-Deloro-Rock outcrop complex, 20 to 65 percent slopes) comprises 90% of the ELT
Geologic Materials: 
alluvium, colluvium and residuum associated with old alluvium (QTs); the Lower Davidson Canyon facies of Pantano Formation, mixed conglomerate, reddish (Tpl); upper member of Pantano Formation (Tpu); and Turkey Track Andesite (Tpv) which comprise 41%, 15%, 12% and 11% of the ELT, respectively
Landforms: 
undissected to coarsely dissected, weakly incised hills and pediment surfaces