IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1992MO099130M
  • User Pedon ID: 1992MO099130
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9209941
  • Print Date: 9/24/2024

    • 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: 38.2283883
  • Std. Longitude: -90.4895514
  • Datum: WGS84
  • State: Missouri
  • County: MO099—Jefferson
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: J. Dodd, E. Dettman, D. Skaer, B. Brown
  • Current Taxonomic Class: Fine Typic Hapludalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Sonsac
  • Taxonomic Class - Fine Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 15 to 65 cm.
  • Classificaton Date - 10/9/1992
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/9/1992 (actual site observation date)
  • Air Photo ID: 28
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    20

    —

    —

    —

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Partially decomposed roots, leaves, and twigs.
    A—3 to 11 centimeters (1.2 to 4.3 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; gravelly silt loam; weak fine granular structure; very friable; 10.0 very fine and fine roots; 1.0 very fine tubular pores; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU045146
    E—11 to 18 centimeters (4.3 to 7.1 inches); yellowish brown (10YR 5/4) gravelly silt loam; weak fine subangular blocky structure; friable; 10.0 very fine roots and 10.0 medium and coarse roots; 1.0 very fine tubular pores; 10 percent distinct skeletans on faces of peds; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU045147
    Bt1—18 to 31 centimeters (7.1 to 12.2 inches); strong brown (7.5YR 4/6) gravelly silty clay loam; moderate fine angular blocky structure; firm; 10.0 very fine and fine roots and 10.0 medium and coarse roots; 3.0 very fine and fine tubular pores; 30 percent distinct clay films on faces of peds; 31 percent by volume 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU045148
    2Bt2—31 to 77 centimeters (12.2 to 30.3 inches); dark yellowish brown (10YR 4/4) and dark yellowish brown (10YR 4/6) gravelly silty clay; moderate fine and medium angular blocky structure; very firm; 10.0 very fine and fine roots and 3.0 medium roots; 3.0 very fine and fine tubular pores; 30 percent prominent manganese or iron-manganese stains and 60 percent prominent clay films on faces of peds; 10 percent medium spherical iron-manganese concretions; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; abrupt wavy boundary. Lab sample # MU045149
    2R—77 centimeters (30.3 inches); bedrock; dolomite (dolostone) fragments.