IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1992MO099133M
  • User Pedon ID: 1992MO099133
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9209943
  • Print Date: 5/20/2024

    • 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: 38.2289439
  • Std. Longitude: -90.4895514
  • Datum: WGS84
  • Township: T40N
  • Range: R4E
  • Section: 1
  • PLSS Details: 25 feet N and 2180 feet E of the SW corner
  • Location Description: sec.1, T. 40 N., R. 4 E.
  • State: Missouri
  • County: MO099—Jefferson
  • MLRA: 116B—Springfield Plain

    • PEDON

  • Describers Name: J. Dodd, E. Dettman, D. Skaer, B. Brown
  • Current Taxonomic Class: Clayey-skeletal, mixed Typic Hapludalfs
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Sonsac
  • Taxonomic Class - Clayey-skeletal, mixed Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 10/9/1992
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum and/or cherty limestone
  • 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

    23

    —

    —

    194

    —

    190

    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; moderate fine and medium granular structure; very friable; 10.0 very fine and fine roots and 1.0 medium roots; 10.0 very fine and fine tubular pores; 25 percent by volume 2-39-75 millimeter limestone, cherty fragments; clear smooth boundary. Lab sample # MU045155
    E—11 to 23 centimeters (4.3 to 9.1 inches); yellowish brown (10YR 5/4) very gravelly silt loam; weak fine subangular blocky, and weak fine granular parts to structure; very friable; 10.0 very fine and fine roots and 3.0 medium and coarse roots; 10.0 very fine tubular pores; 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; clear wavy boundary. Lab sample # MU045156
    Bt1—23 to 31 centimeters (9.1 to 12.2 inches); yellowish brown (10YR 5/6) and strong brown (7.5YR 4/6) very gravelly silt loam; weak fine subangular blocky structure; firm; 10.0 very fine and fine roots and 3.0 medium and coarse roots; 10.0 very fine tubular and 10.0 fine tubular pores; 10 percent distinct clay films on faces of peds; 55 percent by volume 2-39-75 millimeter limestone, cherty fragments; abrupt wavy boundary. Lab sample # MU045157
    2Bt2—31 to 64 centimeters (12.2 to 25.2 inches); strong brown (7.5YR 4/6) very gravelly clay; moderate fine and medium angular blocky structure; very firm; 10.0 fine and medium roots; 1.0 very fine tubular pores; 60 percent distinct clay films on faces of peds; 8 percent by volume 75-162-250 millimeter limestone, cherty fragments and 46 percent by volume 2-39-75 millimeter limestone, cherty fragments; abrupt wavy boundary. Lab sample # MU045158
    2Bt3—64 to 84 centimeters (25.2 to 33.1 inches); yellowish brown (10YR 5/6) and strong brown (7.5YR 4/6) clay; 1 percent grayish brown (10YR 5/2) fine prominent and 1 percent red (2.5YR 4/6) fine prominent mottles; moderate fine angular blocky structure; very firm; 3.0 medium roots; 3.0 very fine tubular pores; 60 percent prominent clay films on faces of peds; 10 percent fine spherical iron-manganese concretions; 8 percent by volume 2-39-75 millimeter limestone, cherty fragments; abrupt wavy boundary. Lab sample # MU045159
    2R—84 centimeters (33.1 inches); bedrock; limestone, unspecified fragments. Cherty Dolomite Bedrock