ELT 197b

Elevation Range

Minimum:

1046 m

Minimum in ft:

3433 ft

Maximum:

1269 m

Maximum in ft:

4163 ft

Median:

1170 m

Median in ft:

3839 ft

Soil Summary:

dominant soils are shallow to granite and similar rocks; very gravelly sandy loams throughout and some better developed soils with sandy clay loam subsoils; no lime; no to modest soil development; the mapped area is dominated by Pima County soil survey map units 70 (Romero-Oracle complex, 25 to 60 percent slopes) and 52 (Oracle-Romero-Rock outcrop complex, 5 to 35 percent slopes) which comprise 66% and 34% of the unit, respectively

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm); conglomerate? (KJb); Apache Group and Troy Quartzite, middle Proterozoic (Ya); middle Proterozoic granitic rocks (Yg); and Paleozoic sediments? (P3s) which comprise 62%, 16%, 8%, 6% and 5% of the unit, respectively

Landforms:

moderately to finely dissected, moderately to deeply incised mountain slopes

Land Type Association: LTA 197

Ecological Unit: Desert-oak transition on mountains derived from granite, gneiss, and similar rocks

Map with the ELT 197b polygon highlighted.