Ecological Land Type

ELT 25e

Elevation Range
Minimum: 
1049 m
Minimum in ft: 
3443 ft
Maximum: 
1105 m
Maximum in ft: 
3626 ft
Median: 
1076 m
Median in ft: 
3530 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 98% of the ELT
Geologic Materials: 
alluvium, colluvium and residuum associated with Miocene to Quaternary conglomerate with colluvial veneer (QTsc); Turkey Track Andesite (Tpv); the Lower Davidson Canyon facies of Pantano Formation, mixed conglomerate, reddish (Tpl); and upper member of Pantano Formation (Tpu) which comprise 69%, 12%, 9% and 6% of the ELT, respectively
Landforms: 
undissected to coarsely dissected, weakly incised hills and pediment surfaces