IDENTIFIERS

  • Current Taxon Name (Soil Name): Cornwall
  • OSD
  • Series Extent
  • User Site ID: 1997MO223204M
  • User Pedon ID: 1997MO223204
  • User Site Association ID: 8100
  • Transect:
  • User Transect ID - wayne-44
  • Transect Stop Number - 12
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722355
  • Print Date: 11/26/2024

    • 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: 36.9458351
  • Std. Longitude: -90.4512253
  • 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: 36090-H4—Hendrickson, Missouri

    • PEDON

  • Describers Name: RT, 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 - 28 to 76 cm.
  • Classificaton Date - 12/10/2010
  • 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 - 12/10/1997
  • 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: 12/10/1997 (actual site observation date)
  • Air Photo ID: F6
  • 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—28

    28—173

    76—173

    —-

    —-

    —-
    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

    12

    —

    —

    155

    —

    355

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silt loam; moderate fine granular structure; very friable; 10.0 very fine to medium roots; 20.0 very fine and fine vesicular pores; 2 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; extremely acid, pH 4.4, hellige-truog; clear wavy boundary. Lab sample # MU012677
    E—8 to 28 centimeters (3.1 to 11.0 inches); yellowish brown (10YR 5/4) silt loam; weak fine and medium subangular blocky structure; very friable; 10.0 very fine to medium roots; 10.0 very fine and fine vesicular and 2.0 medium tubular pores; 1 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU012678
    Bt1—28 to 48 centimeters (11.0 to 18.9 inches); strong brown (7.5YR 4/6) silty clay loam; moderate very fine and fine subangular blocky structure; firm; moderate permeability; 5.0 very fine to medium roots; 10.0 very fine and fine vesicular and 2.0 medium tubular pores; fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU012679
    Bt2—48 to 64 centimeters (18.9 to 25.2 inches); yellowish brown (10YR 5/6) silty clay loam; moderate very fine and fine subangular blocky structure; firm; 5.0 very fine to medium roots; 10.0 very fine and fine vesicular and 2.0 medium tubular pores; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU012680
    Bt3—64 to 76 centimeters (25.2 to 29.9 inches); yellowish brown (10YR 5/6) silty clay loam; moderate very fine and fine subangular blocky structure; firm; 2.0 very fine and fine roots; 10.0 very fine vesicular pores; 10 percent strong brown (7.5YR 5/6) masses of oxidized iron and 30 percent light brownish gray (10YR 6/2) iron depletions; fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU012681
    2Btx1—76 to 99 centimeters (29.9 to 39.0 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent brown (7.5YR 4/4) silty clay loam; strong coarse prismatic parts to moderate fine angular blocky structure; very firm; very slow permeability; 0.5 very fine roots; 10.0 very fine and fine vesicular pores; 20 percent light gray (10YR 7/2) silt coats and 50 percent gray (10YR 5/1) clay films; 1 percent black (10YR 2/1) iron-manganese masses; 2 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # MU012682
    2Btx2—99 to 124 centimeters (39.0 to 48.8 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent strong brown (7.5YR 4/6) loam; moderate coarse prismatic parts to moderate fine and medium subangular blocky structure; very firm; 10.0 very fine vesicular pores; 20 percent gray (10YR 5/1) clay films; 5 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog; abrupt wavy boundary. Lab sample # MU012683
    2Btx3—124 to 173 centimeters (48.8 to 68.1 inches); 60 percent light yellowish brown (10YR 6/4) and 40 percent brown (7.5YR 4/4) extremely gravelly loam; massive; 10.0 very fine vesicular pores; 10 percent gray (10YR 5/1) clay films; 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 4.5, hellige-truog; abrupt wavy boundary. Lab sample # MU012684
    3BC—173 to 203 centimeters (68.1 to 79.9 inches); 80 percent yellowish red (5YR 4/6) and 20 percent red (10R 4/8) gravelly sandy clay loam; strong coarse subangular blocky structure; very firm; 20.0 very fine vesicular pores; 50 percent red (2.5YR 4/6) clay films; 20 percent by volume subangular 2-39-75 millimeter mixed fragments; very strongly acid, pH 4.9, hellige-truog. Lab sample # MU012685