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

Land Type Association: LTA 25

Ecological Unit: Upper Sonoran desert on hills and mountains of sedimentary, metasedimentary, and extrusive rocks

Map with the ELT 25e polygon highlighted.