ELT 7d

Elevation Range

Minimum:

920 m

Minimum in ft:

3020 ft

Maximum:

986 m

Maximum in ft:

3234 ft

Median:

951 m

Median in ft:

3120 ft

Soil Summary:

dominant soils are very shallow and shallow to granite and similar rocks; very gravelly sandy loams throughout, some soils with gravelly clay loam surfaces and gravelly clay and clay subsoils; no lime; no to moderate soil development (clay accumulation); dominated by Pima County soil survey map unit 13 (Cellar-Lehmans complex, 5 to 25 percent slopes). This unit comprises 98% of the unit

Geologic Materials:

alluvium and residuum associated with undivided surficial deposits and basin fill (QTs), the Catalina-Rincon igneous and metamorphic complex (TXm), and areas of rock exposure, mostly Pinal Schist (Xp, P1eh, Kjb) which comprise 44%, 42%, and 13% of the ELT, respectively

Landforms:

moderately to finely dissected, weakly to moderately incised fan and pediment surfaces

Land Type Association: LTA 7

Ecological Unit: Upper Sonoran desert on hills and mountains derived from granite, gneiss, and similar rocks

Map with the ELT 7d polygon highlighted.