IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1990MO057085M
  • User Pedon ID: 1990MO057085
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9005785
  • Print Date: 11/24/2024
  • 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: 37.3539000
  • Std. Longitude: -93.8405111
  • Datum: WGS84
  • Township: T30N
  • Range: R26W
  • Section: 7
  • PLSS Details: 1000 feet E and 2100 feet S of the NW corner
  • Location Description: 1000 ft. east and 2100 ft. south of northwest corner sec. 7, T. 30 N., r. 26 W.
  • Map Unit: 70043—Sonsac-Moko-Rock outcrop complex, 3 to 15 percent slopes
  • State: Missouri
  • County: MO057—Dade
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO057—Dade County, Missouri
  • PEDON

  • Describers Name: Max Aldrich R. D. Chorice and Charles Harwood
  • Current Taxonomic Class: Clayey-skeletal, mixed, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Sonsac
  • PSC - 25 to 75 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Bardley
  • Taxon Kind - series
  • Classificaton Date - 3/18/1990
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: slope alluvium derived from cherty limestone and/or residuum weathered from cherty limestone and/or solid rock derived from cherty limestone
  • Landscape: plateau
  • Landform: hill
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: well
  • Bedrock: limestone, cherty
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/18/1990 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • 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

    lithic contact

    0—25

    25—132

    132—203

    —-

    —-

    —-

    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

    7

    309

    210

    A—0 to 13 centimeters (0.0 to 5.1 inches); brown (10YR 4/3) gravelly silt loam; strong fine granular structure; very friable; 10.0 fine roots; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # MU010256
    BA—13 to 25 centimeters (5.1 to 9.8 inches); brown (10YR 4/3) and brown (7.5YR 4/4) very gravelly silt loam; moderate very fine subangular blocky structure; friable; 3.0 fine roots; 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # MU010257
    Bt1—25 to 41 centimeters (9.8 to 16.1 inches); reddish brown (5YR 4/4) very gravelly silty clay loam; moderate very fine subangular blocky structure; friable; 3.0 fine roots; 10 percent faint clay films on faces of peds; 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # MU010258
    2Bt2—41 to 64 centimeters (16.1 to 25.2 inches); dark red (2.5YR 3/6) very gravelly silty clay; moderate very fine and fine subangular blocky structure; firm; 0.5 fine roots; 10 percent faint clay films on faces of peds; 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU010259
    2Bt3—64 to 84 centimeters (25.2 to 33.1 inches); dark red (2.5YR 3/6) extremely gravelly clay; moderate very fine and fine angular blocky structure; firm; 0.5 fine roots; 30 percent distinct clay films on faces of peds; 65 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU010260
    2Bt4—84 to 132 centimeters (33.1 to 52.0 inches); dark red (2.5YR 3/6) very gravelly silty clay; moderate very fine and fine angular blocky structure; firm; 0.5 fine roots; 30 percent faint clay films on faces of peds; 30 percent by volume 2-39-75 millimeter limestone, cherty fragments and 30 percent by volume 75-162-250 millimeter limestone, cherty fragments; moderately acid, pH 6.0, hellige-truog; abrupt wavy boundary. Lab sample # MU010261
    2R—132 centimeters (52.0 inches); bedrock; fragments.