Ecological Land Types within LTA 12.

ELT 12a

Elevation Range

Minimum:

1231 m

Minimum in ft:

4038 ft

Maximum:

2014 m

Maximum in ft:

6606 ft

Median:

1593 m

Median in ft:

5226 ft

Soil Summary:

soil survey data coverage is incomplete for this ELT; correlates with GES unit 475 characterized by extremely cobbly sandy loams shallow 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), landslide deposits (Qls), and felsic volcanic rocks (Tf) which comprise 96%, 1% and 1% of the unit, respectively

Landforms:

moderately to finely dissected, moderately to deeply incised mountain slopes

ELT 12b

Elevation Range

Minimum:

1194 m

Minimum in ft:

3916 ft

Maximum:

1960 m

Maximum in ft:

6430 ft

Median:

1474 m

Median in ft:

4836 ft

Soil Summary:

Geologic Materials:

Landforms:

moderately to finely dissected, deeply incised mountain slopes

ELT 12c

Elevation Range

Minimum:

1466 m

Minimum in ft:

4809 ft

Maximum:

2035 m

Maximum in ft:

6677 ft

Median:

1829 m

Median in ft:

6001 ft

Soil Summary:

dominant soils are very shallow to moderately deep, very flaggy sandy loam and extremely, very gravelly and gravelly fine sandy loams, sandy loams and loams over very channery and gravelly fine sandy loams, sandy loams and loams, no lime present, no to moderate development; dominated by Pima County soil survey map units 76 (Spudrock-Far-Rock outcrop complex, 25 to 65 percent slopes) and 20 (Cortaro-Rock outcrop-Faraway complex, 15 to 45 percent slopes). These units comprise 82% and 18% of the ELT, respectively

Geologic Materials:

Landforms:

coarsely to moderately dissected, weakly to moderately incised mountain slopes

ELT 12e

Elevation Range

Minimum:

1527 m

Minimum in ft:

5011 ft

Maximum:

1983 m

Maximum in ft:

6505 ft

Median:

1874 m

Median in ft:

6148 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; dominated by Pima County soil survey map units 20 (Cortaro-Rock outcrop-Faraway complex, 15 to 45 percent slopes) and 40 (Lampshire-Romero- Rock outcrop complex, 10 to 65 percent slopes). These units comprise 95% and 5% of the ELT, respectively

Geologic Materials:

Landforms:

coarsely to moderately dissected, weakly incised mountain slopes

ELT 12f

Elevation Range

Minimum:

1342 m

Minimum in ft:

4403 ft

Maximum:

1945 m

Maximum in ft:

6381 ft

Median:

1675 m

Median in ft:

5495 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; 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 61% and 39% of the ELT, respectively

Geologic Materials:

Landforms:

coarsely to moderately dissected, weakly to moderately incised mountain slopes

ELT 12g

Elevation Range

Minimum:

1499 m

Minimum in ft:

4919 ft

Maximum:

2319 m

Maximum in ft:

7607 ft

Median:

1960 m

Median in ft:

6430 ft

Soil Summary:

Geologic Materials:

Landforms:

coarsely dissected, deeply incised mountain slopes

ELT 12h

Elevation Range

Minimum:

1626 m

Minimum in ft:

5334 ft

Maximum:

2052 m

Maximum in ft:

6731 ft

Median:

1813 m

Median in ft:

5948 ft

Soil Summary:

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

Geologic Materials:

Landforms:

finely dissected, weakly incised mountain slopes (broad ridge lacks dissection)

ELT 12i

Elevation Range

Minimum:

1299 m

Minimum in ft:

4261 ft

Maximum:

2146 m

Maximum in ft:

7041 ft

Median:

1631 m

Median in ft:

5351 ft

Soil Summary:

Geologic Materials:

Landforms:

moderately to finely dissected, moderately to deeply incised mountain slopes

ELT 12j

Elevation Range

Minimum:

1351 m

Minimum in ft:

4433 ft

Maximum:

2406 m

Maximum in ft:

7893 ft

Median:

1745 m

Median in ft:

5725 ft

Soil Summary:

Geologic Materials:

Landforms:

finely dissected, deeply incised mountain slopes

ELT 12k

Elevation Range

Minimum:

1305 m

Minimum in ft:

4281 ft

Maximum:

2057 m

Maximum in ft:

6750 ft

Median:

1520 m

Median in ft:

4987 ft

Soil Summary:

Geologic Materials:

Landforms:

moderately dissected, moderately incised mountain slopes