Major Land Resource Area 130A
Northern Blue Ridge
Accessed: 12/21/2024
Next steps
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1
Select an ecological site
Select an ecological site using the list, keys, photos, briefcase, or quick search option located on this page. -
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Explore the ecological site description
Next, learn more about the selected ecological site and its characteristic dynamics by browsing the ecological site description and exploring alternative state and transition model formats.
Ecological site list
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Key Characteristics
- Residuum – ridge tops, middle to upper sideslopes
- Granitic, mixed metamorphic, and igneous (Proterozoic (pre-cambrian) basement geology) (depths are lumped due to scale of mapping)
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Key Characteristics
- Residuum – ridge tops, middle to upper sideslopes
- Metabasalt (Proterozoic to early Paleozoic (Cambrian))(depths are lumped due to scale of mapping)
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Key Characteristics
- Residuum – ridge tops, middle to upper sideslopes
- Phyllites, metasandstone (Early Paleozoic (Cambrian to late Cambrian): Harpers, Weverton, Hampton) (depths are lumped due to scale of mapping)
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Key Characteristics
- Residuum – ridge tops, middle to upper sideslopes
- Quartzites, highly resistant (Early Paleozoic (Cambrian to late Cambrian) –Chilhowie group) Bedrock Mod deep to Deep
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Key Characteristics
- Colluvium - footslopes, benches
- Igneous, mixed metamorphic including metabasalts (Proterozoic to early Paleozoic geology) Well Drained and MWD
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Key Characteristics
- Colluvium - footslopes, benches
- Quartzites, phyllites, metasandstone Well Drained and MWD
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Key Characteristics
- Floodplains - alluvium
- Mixed metamorphic Well Drained and MWD
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Key Characteristics
- Toeslopes, Drainageways, and floodplains – colluvium/alluvium
- Mixed Metamorphic Poorly Drained and SPD
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Key Characteristics
- Hi elevation residuum – ridge tops and possible 130b soils
- Granitic, mixed metamorphic, meta-basalt, and igneous (Proterozoic early Paleozoic) Elevation >3000’
Ecological site map
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Zoom in to display soil survey map units for an area of interest, and zoom out to display MLRAs. Select a map unit polygon to view ecological sites correlated to that map unit. View a brief description of an ecological site by clicking on its name in the map popup. Soil survey correlations may not be accurate, and ecological site classification of a location should always be verified in the field. Each selection may require the transfer of several hundred KB of data.
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Ecological sites
Major Land Resource Areas
The Ecosystem Dynamics Interpretive Tool is an information system framework developed by the USDA-ARS Jornada Experimental Range, USDA Natural Resources Conservation Service, and New Mexico State University.
