Sections

Ecological Land Types within LTA 138.

ELT 138a

Elevation Range
Minimum: 
1485 m
Minimum in ft: 
4872 ft
Maximum: 
2302 m
Maximum in ft: 
7551 ft
Median: 
1804 m
Median in ft: 
5919 ft
Soil Summary: 
detailed soil survey information is not available for this unit; 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: 
slope alluvium, colluvium and residuum associated mostly with Rice Peak Porphyry (TKr); the Pioneer Formation and Dripping Springs Quartzite (Ypds); the Bolsa and Abrigo Formations (Cba); and the Pioneer Formation (Yp). They comprise 26%, 25%, 18% and 16% of the unit, respectively
Landforms: 
moderately to finely dissected mountain slopes with moderate to deep drainage incision

ELT 138b

Elevation Range
Minimum: 
1444 m
Minimum in ft: 
4739 ft
Maximum: 
2339 m
Maximum in ft: 
7674 ft
Median: 
1857 m
Median in ft: 
6093 ft
Soil Summary: 
detailed soil survey information is not available for this unit; 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: 
slope alluvium, colluvium and residuum associated mostly with the Middle Proterozoic Apache Group and Troy Quartzite (Ya); Oracle Granite and related rocks (Yg); and unnamed rocks similar to the Pioneer Formation (Yp). They comprise 57%, 34% and 5% of the unit, respectively
Landforms: 
moderately to finely dissected mountain slopes with shallow to moderate drainage incision

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