IDENTIFIERS

  • Current Taxon Name (Soil Name): Marion
  • OSD
  • Series Extent
  • User Site ID: 1991MO019055
  • User Pedon ID: 1991MO019055
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9101955
  • NCSS Pedon Lab Data NASIS Record ID - 34322
  • 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: 38.7367019
  • Std. Longitude: -92.2033356
  • Datum: WGS84
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: MWO,FJY
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Marion
  • PSC - 51 to 101 cm.
  • Classificaton Date - 7/2/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess derived from mixed
  • Landscape: upland
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/2/1991 (actual site observation date)
  • Air Photo ID: 49
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

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    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 5/3), pale brown (10YR 6/3), dry; silt loam; weak fine subangular blocky structure; very friable; 7.0 very fine to medium roots and 4.0 coarse roots; fragments; very strongly acid, pH 4.5, hellige-truog; abrupt smooth boundary. Lab sample # MU040337
    E1—10 to 28 centimeters (3.9 to 11.0 inches); very pale brown (10YR 7/4) silt loam; weak fine subangular blocky structure; very friable; 4.0 very fine to medium roots and 0.7 coarse roots; 20 percent distinct very pale brown (10YR 8/2) silt coats on faces of peds; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU040338
    E2—28 to 51 centimeters (11.0 to 20.1 inches); very pale brown (10YR 7/4) silt loam; weak fine and medium subangular blocky structure; friable; 4.0 very fine to medium roots and 0.7 coarse roots; 60 percent distinct very pale brown (10YR 8/2) silt coats on faces of peds; fragments; strongly acid, pH 5.2, hellige-truog; abrupt smooth boundary. Lab sample # MU040339
    Bt1—51 to 64 centimeters (20.1 to 25.2 inches); dark yellowish brown (10YR 4/6) silty clay; 5 percent grayish brown (10YR 5/2) medium prominent mottles; moderate medium prismatic parts to weak fine subangular blocky structure; very firm; 4.0 very fine roots and 0.7 medium roots; 20 percent distinct clay films on faces of peds and 60 percent faint clay films on faces of peds; fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # MU040340
    Bt2—64 to 89 centimeters (25.2 to 35.0 inches); dark yellowish brown (10YR 4/6) silty clay; 5 percent grayish brown (10YR 5/2) medium prominent mottles; weak medium prismatic parts to moderate fine subangular blocky structure; very firm; 4.0 very fine roots and 0.7 medium roots; 20 percent distinct clay films on faces of peds and 20 percent manganese or iron-manganese stains in root channels and/or pores and 60 percent faint clay films on faces of peds; 1 percent fine yellowish red (5YR 5/8) masses of oxidized iron; fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # MU040341. (Note: There are a few white non-effervescent sand sized flecks.)
    Bt3—89 to 114 centimeters (35.0 to 44.9 inches); dark yellowish brown (10YR 4/6) silty clay loam; 25 percent grayish brown (10YR 5/2) medium prominent mottles; weak fine prismatic parts to moderate fine subangular blocky structure; firm; 0.7 very fine to medium roots; 20 percent manganese or iron-manganese stains and 40 percent prominent clay films on faces of peds; fragments; very strongly acid, pH 4.6, hellige-truog; diffuse boundary. Lab sample # MU040342. (Note: There are a few white non-effervescent sand sized flecks.)
    Bt4—114 to 145 centimeters (44.9 to 57.1 inches); light brownish gray (10YR 6/2) and dark yellowish brown (10YR 4/6) silty clay loam; weak fine prismatic parts to moderate medium subangular blocky structure; very firm; 0.7 very fine and fine roots; 20 percent faint silt coats on faces of peds and 30 percent manganese or iron-manganese stains and 40 percent distinct clay films on faces of peds; fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU040343
    BC—145 to 170 centimeters (57.1 to 66.9 inches); dark yellowish brown (10YR 4/6) silt loam; 25 percent light brownish gray (10YR 6/2) medium prominent mottles; moderate medium prismatic structure; firm; 0.7 very fine roots; 20 percent faint silt coats on faces of peds and 40 percent distinct clay films on faces of peds and 40 percent manganese or iron-manganese stains; fragments; neutral, pH 7.0, hellige-truog. Lab sample # MU040344