LOCATION MOUNTAIN PARK GA+ALEstablished Series
TAXONOMIC CLASS: Fine-loamy, micaceous, thermic Typic Hapludults
TYPICAL PEDON: Mountain Park gravelly sandy loam--forested. (Colors are for moist soil unless otherwise stated.)
A--0 to 4 inches; dark yellowish brown (10YR 3/4); gravelly sandy loam; weak fine granular structure; friable; many very fine and fine and common medium and coarse roots; 24 percent gravel and 6 percent cobbles; common fine flakes of mica; very strongly acid; clear smooth boundary. (1 to 6 inches thick)
BE--4 to 10 inches; brown (7.5YR 4/4); gravelly sandy loam; weak fine subangular blocky parting to moderate fine granular structure; firm; many very fine and fine and common medium and coarse roots; 25 percent gravel and 9 percent cobbles; many fine flakes of mica; very strongly acid; clear wavy boundary.
Bt--10 to 23 inches; yellowish red (5YR 4/6) gravelly sandy clay loam; moderate fine subangular blocky structure; firm; common very fine to medium roots; common prominent clay films on faces of peds; many fine flakes of mica; 15 percent gravel and 3 percent cobbles; strongly acid; clear wavy boundary. (8 to 20 inches thick)
BC--23 to 32 inches; yellowish red (5YR 4/6) gravelly sandy loam; weak fine subangular blocky structure; firm; few very fine to medium roots; few faint clay films on faces of peds; many fine flakes of mica; 5 percent gravel, 10 percent paragravel, and 3 percent paracobbles; strongly acid; clear wavy boundary.
Cr--32 to 46 inches; moderately hard mica schist; strongly acid; clear wavy boundary.
C--46 to 55 inches; strong brown (7.5YR 4/6) sandy loam; massive; friable; many fine mica flakes; strongly acid; clear wavy boundary.
C'r--55 to 65 inches; moderately hard mica schist; strongly acid.
TYPE LOCATION: Fulton County, Georgia; about 150 feet east of Juniper St. and 800 feet north of Rocky Creek; USGS Mountain Park Quadrangle; lat. 34 degrees 04 minutes 57.5 seconds N. and long. 84 degrees 24 minutes 19 seconds W.
RANGE IN CHARACTERISTICS:
Depth to top of Argillic horizon: 4 to 18 inches
Depth to base of Argillic horizon: 21 to 37 inches
Depth to Soft Bedrock: 20 to 40 inches
Depth to Seasonal High Water Table: Greater than 60 inches
Rock Fragment Content: 0 to 34 percent, by volume, in all horizons
Surface Rock Fragment Content: 0 to 4 percent, mostly cobbles and stones
Soil Reaction: Very strongly acid to slightly acid in the A and E horizons and very strongly acid to moderately acid in the Bt, BC, C and Cr horizons.
Mica Content: 20 to 50 percent, by volume, mica flakes throughout
Glauconite Content: Weighted average of 0 to 0 percent pellets in the A, E, B, and C horizons
Other Soil Features: Clayey part of the argillic extends to a depth of 30 inches or more.
RANGE OF INDIVIDUAL HORIZONS:
A horizon:
Color-hue of 7.5YR to 2.5Y, value of 3 to 4, and chroma of 2 to 4
Texture (fine-earth fraction)-sandy loam, loam, fine sandy loam, and loamy sand.
E horizon: (where present)
Color-hue of 7.5YR to 2.5Y, value of 4 to 6, and chroma of 3 to 8
Texture (fine-earth fraction)-sandy loam, loam, fine sandy loam, and loamy sand.
BE horizon: (where present)
Color-hue of 7.5YR to 2.5Y, value of 4 to 6, and chroma of 4 to 8
Texture (fine-earth fraction)-sandy loam, sandy clay loam, and loam.
Bt horizon:
Color-hue of 2.5YR to 10YR, value of 4 to 6, and chroma of 4 to 8
Texture (fine-earth fraction)- sandy loam, sandy clay loam, and clay loam
BC horizon: (where present)
Color-hue of 2.5YR to 10YR, value of 4 to 6, and chroma of 4 to 8
Texture (fine-earth fraction)- sandy loam, sandy clay loam
C horizon: (where present)
Color-hue of 2.5YR to 10YR, value of 4 to 6, and chroma of 2 to 6
Texture (fine-earth fraction)- loamy sand, sandy loam, and sandy clay loam
Cr horizon:
Type of bedrock--weathered, moderately hard, high grade metamorphic rock high in mica such as biotite gneiss and mica schist
COMPETING SERIES:
Grover is the only other series in this family. These soils are more than 60 inches to bedrock.
GEOGRAPHIC SETTING:
Landscape: Piedmont upland
Landform: Hill
Geomorphic Component: Summit, shoulder, side slope
Hillslope Profile Position:
Parent Material: Mica schist and biotite gneiss
Slope: 2 to 60 percent
Elevation: 900 to 1300 feet
Frost Free Period: 213 days
Mean Annual Air Temperature: 62 degrees F.
Mean Annual Precipitation: 50 inches
GEOGRAPHICALLY ASSOCIATED SOILS:
Appling soils- in clayey family, very deep to bedrock, and lower in mica content
Bethlehem soils- in clayey family
Cecil soils- in clayey family, very deep to bedrock, and lower in mica content
Grover soils- very deep to bedrock
Lloyd soils- in clayey family, very deep to bedrock, and lower in mica content
Louisa soils- shallow to soft bedrock
Madison soils- in clayey family and very deep to bedrock
Pacolet soils- in clayey family, very deep to bedrock, and lower in mica content
Rion soils- very deep to bedrock and lower in mica content
Tallapoosa soils- loamy family and shallow to soft bedrock
Wedowee soils- in clayey family, very deep to bedrock, and lower in mica content
DRAINAGE AND PERMEABILITY:
Depth Class: (20 to 40 inches to bedrock)
Drainage Class (Agricultural): Well drained
Index Surface Runoff: Medium
Permeability: moderate
Shrink-Swell Potential: low
USE AND VEGETATION:
Major Uses:
Dominant Vegetation: Where cultivated-pasture. Where wooded-mixed hardwood.
DISTRIBUTION AND EXTENT:
Distribution: Georgia and Alabama
Extent: Slight
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina
SERIES ESTABLISHED: Fulton County, Georgia, 2006.
REMARKS: These soils were previously included with the Grover and Madison series.
Diagnostic horizons and soil characteristics recognized in this pedon:
Ochric epipedon--the zone from 0 to 4 inches (A horizon)
Argillic horizon--the zone from 4 to 32 inches (BE, Bt, and BC horizons)
Paralithic contact--the contact at 32 and 55 inches with weathered bedrock (the upper boundary of the Cr and C'r horizons)
Series control section--the zone from the top of the Bt to 20 inches
ADDITIONAL DATA:
Additional reference samples are available from the University of Georgia; pedon numbers...
S01121002
S01121004
S01121005
S01121006
S01121007
S01121009
S01121010
Database Information:
OSD Data Mapunit ID--000000
Typical Pedon Data Mapunit ID--000000
Representative Pedon Data Mapunit--000000
OSD User Pedon ID-Mountain Park-OSD
TABULAR SERIES DATA:
Soil Name Slope Airtemp FrFr/Seas Precip Elevation Mountain Park 2-60 58-62 190-210 46-65 700-1200FloodL FloodH Watertable Kind Months Bedrock Hardness NONE >6.0 - >60 NONE >6.0 - >60
Depth Texture 3-Inch No-10 Clay% -CEC- 0-4 SL FSL COSL 0-5 90-100 4-18 1-4 0-4 SCL 0-5 90-100 20-35 2-5 0-4 L 0-5 90-100 7-20 1-4 4-10 SCL SL L 0-5 90-100 18-28 2-4 10-23 SCL CL SL 0-5 85-100 20-35 2-4 23-32 SCL SL L 0-5 90-100 18-28 2-4 32-46 WB - - - - 46-55 SL LS SCL 0-5 90-100 10-28 1-4 55-65 WB - - - -
0-4 GR-LS 2-10 55-75 2-15 1-5 0-4 GR-SL GR-FSL 2-10 55-75 7-20 2-8 0-4 GR-L 2-10 55-75 7-20 2-8 4-10 GR-SCL GR-L 2-10 60-90 18-28 2-4 10-23 GR-SCL GR-CL 2-10 60-90 20-35 2-4 23-32 GR-SL GR-L 2-10 60-90 18-28 2-4 32-46 WB - - - - 46-55 SL LS SCL 0-5 90-100 10-28 1-4 55-65 WB - - - -
Depth -pH- O.M. Salin Permeab Shnk-Swll 0-4 4.5-6.5 .5-2. 0-0 2.0-6.0 LOW 0-4 4.5-6.5 .5-1. 0-0 0.6-2.0 LOW 0-4 4.5-6.5 .5-2. 0-0 2.0-6.0 LOW 4-10 4.5-6.5 0.-.5 0-0 0.6-2.0 LOW 10-23 4.5-6.0 0.-.5 0-0 0.6-2.0 LOW 23-46 - - - - - 46-55 4.5-6.0 0.-.5 0-0 0.6-2.0 LOW 55-65 - - - - -