IDENTIFIERS

  • Current Taxon Name (Soil Name): Cobstone
  • OSD
  • Series Extent
  • User Site ID: 84TN007 Cobstone-OSD
  • User Pedon ID: 84TN007 Cobstone-OSD
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0438
  • NCSS Pedon Lab Data NASIS Record ID - 56154
  • Print Date: 11/23/2024

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 35.4992194
  • Std. Longitude: -85.3033972
  • Datum: WGS84
  • Location Description: from College station Mountain Road take Highway 28 south 1 mile, site is 350 feet west of road and 150 feet south of Cannon Creek.
  • Map Unit: Co—Cobstone cobbly fine sandy loam, rarely flooded
  • Country: US—United States
  • State: Tennessee
  • County: TN007—Bledsoe
  • MLRA: 125—Cumberland Plateau and Mountains
  • Regional Office: 6—Morgantown, WV
  • MLRA Soil Survey Area: SE-CLI—Clinton, Tennessee
  • Non-MLRA Soil Survey Area: TN007—Bledsoe County, Tennessee
  • 7.5 Minute USGS Quad: 35085-D3—Mount Airy, Tennessee

    • PEDON

  • Describers Name: Harry Davis
  • Current Taxonomic Class: Loamy-skeletal, siliceous, semiactive, thermic Typic Hapludults
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - Cobstone (flagged as OSD)
  • PSC - 30 to 80 cm.
  • Classificaton Date - 7/11/2007
  • Classifier - Harry Davis
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Cobstone
  • Taxonomic Class - Loamy-skeletal, siliceous, thermic Typic Hapludults
  • Taxon Kind - series
  • Classificaton Date - 1/1/1984
  • Classifier - Harry Davis
  • Soil Taxonomic Edition - first edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy alluvium derived from sandstone
  • Landform: alluvial fan on stream terrace on valley
  • Geomorphic Component Terraces: tread
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: rare flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/1/1984 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—13

    30—86

    —13—

    —56—
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    2

    —

    —

    243.8

    —

    45

    1386

    —

    181

    14.7

    —

    —

    —

    —

    —

    —

    —

    TN7184

    Pikeville

    coop
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); dark grayish brown (10YR 4/2) cobbly fine sandy loam; weak medium granular structure; very friable; 3.0 medium roots and 6.0 fine roots; 6.0 fine tubular pores; 25 percent by volume nonflat strongly coherent cemented 2-80-127 millimeter sandstone, unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # 85P02154; moist when described;
    BE—13 to 30 centimeters (5.1 to 11.8 inches); strong brown (7.5YR 5/8) very cobbly fine sandy loam; weak fine and medium subangular blocky structure; very friable; 3.0 fine and medium roots; 3.0 medium tubular and 6.0 fine tubular pores; 45 percent by volume nonflat strongly coherent cemented 2-100-203 millimeter sandstone, unspecified fragments; strongly acid, pH 5.3, hellige-truog; gradual wavy boundary. Lab sample # 85P02155; moist when described;
    Bt1—30 to 71 centimeters (11.8 to 28.0 inches); strong brown (7.5YR 4/6) extremely cobbly sandy clay loam; weak fine subangular blocky structure; very friable; 0.5 fine roots; 3.0 fine and medium tubular pores; 15 percent clay films on all faces of peds; 65 percent by volume nonflat strongly coherent cemented 2-150-305 millimeter sandstone, unspecified fragments; strongly acid, pH 5.3, hellige-truog; gradual wavy boundary. Lab sample # 85P02156; moist when described;
    Bt2—71 to 86 centimeters (28.0 to 33.9 inches); strong brown (7.5YR 5/8) extremely cobbly fine sandy loam; weak fine subangular blocky structure; very friable; 3.0 fine and medium tubular pores; 15 percent clay films in root channels and/or pores; 75 percent by volume nonflat strongly coherent cemented 2-150-305 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.7, hellige-truog; gradual wavy boundary. Lab sample # 85P02157; moist when described;
    BC—86 to 160 centimeters (33.9 to 63.0 inches); yellowish brown (10YR 5/8) extremely cobbly sandy loam; weak fine subangular blocky structure; very friable; 80 percent by volume nonflat strongly coherent cemented 2-200-457 millimeter sandstone, unspecified fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # 85P02158; moist when described;