Ecological Land Types within LTA 13.

ELT 13a

Elevation Range

Minimum:

1786 m

Minimum in ft:

5858 ft

Maximum:

2632 m

Maximum in ft:

8636 ft

Median:

2347 m

Median in ft:

7700 ft

Soil Summary:

dominant soils are shallow to moderately deep to bedrock, very flaggy and flaggy loam and sandy loam and gravelly fine sandy loam surfaces over very channery and flaggy sandy loams, gravelly sandy loams and fine sandy loams, and clays, no lime present, weak to strong development; unit dominated by Pima County soil survey map units 75 (Spudrock-Boriana complex, 10 to 35 percent slopes), 76 (Spudrock-Far-Rock outcrop complex, 25 to 65 percent slopes), and 77 (Spudrock-Lemmon complex, 15 to 45 percent slopes). These units comprise 60%, 21%, and 15% of the ELT, respectively

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

coarsely to finely dissected, weakly incised mountain slopes and ridges with some widely spaced upper canyons

ELT 13b

Elevation Range

Minimum:

1834 m

Minimum in ft:

6018 ft

Maximum:

2512 m

Maximum in ft:

8240 ft

Median:

2197 m

Median in ft:

7208 ft

Soil Summary:

dominant soils are shallow to moderately deep to bedrock, very flaggy sandy loam and flaggy loam surfaces over clays and very channery and flaggy sandy loams, no lime present, weak to strong development; unit dominated by Pima County soil survey map units 75 (Spudrock-Boriana complex, 10 to 35 percent slopes) and 77 (Spudrock-Lemmon complex, 15 to 45 percent slopes). These units comprise 68% and 29% of the ELT, respectively

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

moderately to finely dissected, moderately to deeply incised mountain slopes (ridge lacks dissection)

ELT 13c

Elevation Range

Minimum:

1414 m

Minimum in ft:

4638 ft

Maximum:

2316 m

Maximum in ft:

7600 ft

Median:

1959 m

Median in ft:

6427 ft

Soil Summary:

soil survey data coverage is incomplete for this ELT; correlates with GES unit 476 characterized by extremely cobbly sandy loams shallow to deep to granite or granite-like bedrock, acid soils lacking lime throughout, minimal soil development, and associated rock outcroppings

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

moderately to finely dissected, moderately to deeply incised mountain slopes (broader ridges lack dissection)

ELT 13d

Elevation Range

Minimum:

1983 m

Minimum in ft:

6506 ft

Maximum:

2462 m

Maximum in ft:

8076 ft

Median:

2233 m

Median in ft:

7326 ft

Soil Summary:

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

moderately dissected, moderately incised mountain slopes

ELT 13e

Elevation Range

Minimum:

1236 m

Minimum in ft:

4055 ft

Maximum:

2194 m

Maximum in ft:

7199 ft

Median:

1698 m

Median in ft:

5571 ft

Soil Summary:

dominant soils are very shallow and shallow to bedrock, very cobbly loam and extremely or very gravelly sandy loam and loam surfaces over very cobbly and gravelly fine sandy loams, sandy loams and loams, no lime present, no to moderate development; unit dominated by Pima County soil survey map units 40 (Lampshire-Romero- Rock outcrop complex, 10 to 65 percent slopes) and 20 (Cortaro-Rock outcrop-Faraway complex, 15 to 45 percent slopes). These units comprise 54% and 37% of the ELT, respectively

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

moderately dissected, deeply incised mountain slopes

ELT 13f

Elevation Range

Minimum:

1734 m

Minimum in ft:

5688 ft

Maximum:

2322 m

Maximum in ft:

7619 ft

Median:

1967 m

Median in ft:

6453 ft

Soil Summary:

dominant soils are very shallow to moderately deep to bedrock, very flaggy and extremely, very gravelly, and gravelly fine sandy loam, sandy loam and loam surfaces over very channery, flaggy, and gravelly fine sandy loams, sandy loams and loams, no lime present, no to moderate development; unit dominated by Pima County soil survey map units 20 (Cortaro-Rock outcrop-Faraway complex, 15 to 45 percent slopes), 76 (Spudrock-Far-Rock outcrop complex, 25 to 65 percent slopes), and 75 (Spudrock-Boriana complex, 10 to 35 percent slopes). These units comprise 52%, 25% and 23% of the ELT, respectively

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

moderately to finely dissected, moderately incised mountain slopes

ELT 13g

Elevation Range

Minimum:

1964 m

Minimum in ft:

6445 ft

Maximum:

2644 m

Maximum in ft:

8673 ft

Median:

2394 m

Median in ft:

7854 ft

Soil Summary:

dominant soils are shallow to moderately deep to bedrock, very flaggy sandy loam surfaces over very channery and flaggy sandy loams, no lime present, weak to moderate development; unit dominated by Pima County soil survey map unit 75 (Spudrock-Boriana complex, 10 to 35 percent slopes). This unit comprises 100% of the ELT

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

coarsely dissected, weakly incised mountain slopes (ridge lacks dissection)

ELT 13h

Elevation Range

Minimum:

1708 m

Minimum in ft:

5603 ft

Maximum:

2483 m

Maximum in ft:

8147 ft

Median:

2109 m

Median in ft:

6919 ft

Soil Summary:

dominant soils are shallow to moderately deep to bedrock, very flaggy and flaggy loam and gravelly fine sandy loam surfaces over very channery sandy loams clays and very gravelly fine sandy loams, no lime present, weak to strong development; unit dominated by Pima County soil survey map units 77 (Spudrock-Lemmon complex, 15 to 45 percent slopes) and 76 (Spudrock-Far-Rock outcrop complex, 25 to 65 percent slopes). These units comprise 97% and 2% of the ELT, respectively

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

moderately dissected, moderately incised mountain slopes (especially lower two-thirds of the unit)

ELT 13i

Elevation Range

Minimum:

2044 m

Minimum in ft:

6707 ft

Maximum:

2370 m

Maximum in ft:

7776 ft

Median:

2218 m

Median in ft:

7277 ft

Soil Summary:

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

mostly undissected mountain ridge

ELT 13j

Elevation Range

Minimum:

1723 m

Minimum in ft:

5653 ft

Maximum:

2234 m

Maximum in ft:

7329 ft

Median:

2017 m

Median in ft:

6617 ft

Soil Summary:

dominant soils are very shallow to moderately deep to bedrock, very flaggy and extremely or very gravelly sandy loam and loam surfaces over very channery, flaggy, and gravelly sandy loams and loams, no lime present, no to moderate development; unit dominated by Pima County soil survey map units 75 (Spudrock-Boriana complex, 10 to 35 percent slopes) and 20 (Cortaro-Rock outcrop-Faraway complex, 15 to 45 percent slopes). These units comprise 74% and 26% of the ELT, respectively

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

coarsely dissected, weakly incised mountain slopes