IDENTIFIERS

  • Current Taxon Name (Soil Name): Cornwall
  • OSD
  • Series Extent
  • User Site ID: 1997MO223211M
  • User Pedon ID: 1997MO223211
  • User Site Association ID: 8100
  • Transect:
  • User Transect ID - wayne-44
  • Transect Stop Number - 20
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722362
  • 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: 37.0270348
  • Std. Longitude: -90.3700867
  • Datum: WGS84
  • Map Unit: 84D—Tilk, occasionally flooded-Cornwall-Poynor complex, 3 to 15 percent slopes75428—Tilk, occasionally flooded-Cornwall-Poynor complex, 0 to 15 percent slopes
  • State: Missouri
  • County: MO223—Wayne
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO223—Wayne County, Missouri
  • 7.5 Minute USGS Quad: 37090-A3—Shook, Missouri

    • PEDON

  • Describers Name: DH, RT and KG
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Typic Fragiudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Cornwall
  • PSC - 18 to 43 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Cornwall
  • Taxonomic Class - Fine-silty, mixed, active, mesic Fragiaquic Paleudults
  • Taxon Kind - series
  • Classificaton Date - 12/15/1997
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess over slope alluvium over residuum
  • Landscape: plateau
  • Landform: valley side
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Runoff: medium
  • Drainage Class: moderately well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/15/1997 (actual site observation date)
  • Air Photo ID: H5
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    fragipan

    0—18

    18—122

    43—97

    —-

    —-

    —-
    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

    10

    —

    —

    168

    —

    160

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; gravelly silt loam; moderate very fine and fine granular structure; very friable; 5.0 very fine to medium roots; 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # MU059297
    BA—8 to 18 centimeters (3.1 to 7.1 inches); brownish yellow (10YR 6/6) silt loam; moderate very fine and fine subangular blocky structure; very friable; moderate permeability; 5.0 very fine to medium roots; 10 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU059298
    Bt1—18 to 43 centimeters (7.1 to 16.9 inches); strong brown (7.5YR 5/6) silty clay loam; moderate fine subangular blocky structure; firm; 0.2 very fine to coarse roots; 1.0 very fine and fine tubular pores; 5 percent brownish yellow (10YR 6/6) silt coats; 3 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; abrupt smooth boundary. Lab sample # MU059299
    2Btx1—43 to 71 centimeters (16.9 to 28.0 inches); 70 percent pale brown (10YR 6/3) and 30 percent yellowish brown (10YR 5/6) very gravelly clay loam; moderate medium prismatic parts to moderate fine subangular blocky structure; very firm; very slow permeability; 0.1 fine roots; 0.5 very fine and fine tubular pores; 35 percent light gray (10YR 7/2) iron depletions; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU059300
    2Btx2—71 to 97 centimeters (28.0 to 38.2 inches); light brown (7.5YR 6/4) extremely gravelly loam; massive; extremely firm*; 0.5 very fine and fine tubular pores; 5 percent brown (7.5YR 4/4) clay films and 5 percent light brown (7.5YR 6/3) silt coats; 10 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 50 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; abrupt smooth boundary. Lab sample # MU059301
    3Bt2—97 to 122 centimeters (38.2 to 48.0 inches); 90 percent yellowish brown (10YR 5/8) and 10 percent red (10R 4/6) clay; moderate medium platy parts to moderate very fine and fine angular blocky structure; very firm; 5.0 very fine and fine vesicular pores; 5 percent brown (7.5YR 5/4) clay films; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU059302
    3BC1—122 to 157 centimeters (48.0 to 61.8 inches); 80 percent yellowish brown (10YR 5/8) and 15 percent red (10R 4/6) and 5 percent light gray (10YR 7/2) gravelly clay; moderate medium platy parts to moderate very fine and fine angular blocky structure; very firm; 5.0 very fine and fine vesicular pores; 15 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU059303
    3BC21—157 to 183 centimeters (61.8 to 72.0 inches); 80 percent yellowish brown (10YR 5/6) and 15 percent red (10R 4/6) and 5 percent light gray (10YR 7/2) gravelly clay loam; moderate medium platy parts to moderate very fine and fine angular blocky structure; very firm; 5.0 very fine and fine vesicular pores; 25 percent by volume nonflat angular indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.1, hellige-truog. Lab sample # MU059304
    3BC22—183 to 203 centimeters (72.0 to 79.9 inches); 80 percent yellowish brown (10YR 5/6) and 15 percent dark yellowish brown (10YR 4/6) and 5 percent light gray (10YR 7/2) gravelly silty clay; moderate medium platy parts to moderate very fine and fine angular blocky structure; very firm; 2.0 very fine and fine vesicular pores; fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU059305