IDENTIFIERS

  • Current Taxon Name (Soil Name): Cornwall
  • OSD
  • Series Extent
  • User Site ID: 1997MO223212M
  • User Pedon ID: 1997MO223212
  • User Site Association ID: 8100
  • Transect:
  • User Transect ID - wayne-44
  • Transect Stop Number - 17
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9722360
  • 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: 37.0152512
  • Std. Longitude: -90.3596268
  • 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 Fragiudalfs
  • 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 - 15 to 65 cm.
  • Classificaton Date - 3/8/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Cornwall
  • Taxon Kind - series
  • Classificaton Date - 12/11/1997
  • 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: side 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: 12/11/1997 (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—15

    15—137

    89—137

    —-

    —-

    —-
    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

    —

    —

    155

    —

    130

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 15 centimeters (0.0 to 5.9 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/3), dry; silt loam; weak very fine and fine subangular blocky structure; very friable; 5.0 very fine to medium roots; 20.0 very fine to medium vesicular pores; 5 percent by volume subangular 2-39-75 millimeter mixed fragments; very strongly acid, pH 4.7, hellige-truog; clear wavy boundary. Lab sample # MU059283
    Bt1—15 to 30 centimeters (5.9 to 11.8 inches); strong brown (7.5YR 5/6) silt loam; moderate very fine and fine subangular blocky structure; friable; 5.0 very fine to medium roots; 20.0 very fine to medium vesicular pores; fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU059284
    Bt2—30 to 58 centimeters (11.8 to 22.8 inches); yellowish red (5YR 4/6) silty clay loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine to medium roots; 20.0 very fine to medium vesicular pores; fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU059285
    Bt3—58 to 76 centimeters (22.8 to 29.9 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent dark yellowish brown (10YR 4/4) silty clay loam; moderate fine and medium subangular blocky, and moderate very fine and fine angular blocky structure; firm; moderate permeability; 3.0 very fine to medium roots; 20.0 very fine to medium vesicular pores; 20 percent brown (7.5YR 4/4) masses of oxidized iron and 30 percent light brownish gray (10YR 6/2) iron depletions; fragments; very strongly acid, pH 4.9, hellige-truog; gradual smooth boundary. Lab sample # MU059286
    Bt4—76 to 89 centimeters (29.9 to 35.0 inches); 70 percent yellowish brown (10YR 5/4) and 30 percent dark yellowish brown (10YR 4/4) silty clay loam; moderate very fine and fine angular blocky structure; firm; 3.0 very fine to medium roots; 8.0 very fine and fine vesicular pores; 10 percent brown (7.5YR 4/4) clay films and 10 percent brown (7.5YR 5/2) clay films; 20 percent light brownish gray (10YR 6/2) iron depletions and 20 percent brown (7.5YR 4/4) masses of oxidized iron; fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # MU059287
    2Btx1—89 to 109 centimeters (35.0 to 42.9 inches); 50 percent light yellowish brown (10YR 6/4) and 50 percent yellowish brown (10YR 5/4) silt loam; moderate coarse prismatic structure; very firm; very slow permeability; 0.5 very fine roots; 8.0 very fine vesicular pores; 10 percent pale brown (10YR 6/3) silt coats; 15 percent gray (10YR 6/1) iron depletions and 20 percent strong brown (7.5YR 4/6) masses of oxidized iron; 5 percent by volume subangular 2-39-75 millimeter mixed fragments; very strongly acid, pH 4.8, hellige-truog; gradual wavy boundary. Lab sample # MU059288
    2Btx2—109 to 137 centimeters (42.9 to 53.9 inches); 50 percent yellowish brown (10YR 5/4) and 50 percent dark yellowish brown (10YR 4/4) very gravelly silty clay loam; moderate coarse prismatic structure; very firm; 0.1 very fine roots; 8.0 very fine vesicular pores; 5 percent light brownish gray (10YR 6/2) iron depletions and 15 percent strong brown (7.5YR 4/6) masses of oxidized iron; 40 percent by volume subangular 2-39-75 millimeter mixed fragments; very strongly acid, pH 4.7, hellige-truog; gradual broken boundary. Lab sample # MU059289
    3BC—137 to 152 centimeters (53.9 to 59.8 inches); 50 percent yellowish brown (10YR 5/4) and 50 percent strong brown (7.5YR 5/6) extremely gravelly silt loam; weak very fine angular blocky structure; very firm; 8.0 very fine vesicular pores; 10 percent by volume subangular 75-162-250 millimeter mixed fragments and 50 percent by volume subangular 2-39-75 millimeter mixed fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU059290