IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1995MO221009M
  • User Pedon ID: 1995MO221009
  • Vegetation Plot ID: 1995MO221009
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9522109
  • Print Date: 5/31/2024

    • 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: 38.0020024
  • Std. Longitude: -91.0523467
  • Datum: WGS84
  • Township: T38N
  • Range: R1W
  • Section: 20
  • PLSS Details: 890 feet E and 900 feet S of the NE corner
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: D. Skaer, G. Lindgren
  • Current Taxonomic Class: Clayey-skeletal, mixed Typic Hapludalfs
  • Pedon Type: within range of map unit
  • 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 - 23 to 73 cm.
  • Classificaton Date - 12/13/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/13/1995 (actual site observation date)
  • Air Photo ID: 10
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    QUST

    Quercus stellata

    post oak

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    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

    13

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    290

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    118

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    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 8 centimeters (1.2 to 3.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; gravelly silt loam; moderate very fine subangular blocky structure; friable; 6.0 very fine and fine roots and 3.0 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 35 percent distinct organic stains on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 25 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU054019
    E—8 to 26 centimeters (3.1 to 10.2 inches); brown (10YR 5/3) extremely gravelly silt loam; moderate fine platy parts to moderate very fine subangular blocky structure; friable; 2.0 very fine and fine roots and 0.5 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 40 percent prominent skeletans on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments and 10 percent by volume 75-162-250 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; gradual wavy boundary. Lab sample # MU054020
    Bt1—26 to 46 centimeters (10.2 to 18.1 inches); yellowish brown (10YR 5/6) extremely gravelly silty clay loam; moderate very fine subangular blocky structure; friable; 0.5 very fine and fine roots; 3.0 very fine and fine interstitial and tubular pores; 10 percent distinct clay films on faces of peds and 60 percent prominent skeletans on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 60 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.7, hellige-truog; clear smooth boundary. Lab sample # MU054021
    2Bt2—46 to 79 centimeters (18.1 to 31.1 inches); yellowish brown (10YR 5/6) very gravelly clay; moderate very fine subangular blocky structure; very firm; 0.5 very fine and fine roots and 0.5 medium and coarse roots; 0.5 very fine and fine interstitial and tubular pores; 10 percent prominent skeletans on faces of peds and 60 percent distinct clay films on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume 250-425-600 millimeter limestone, cherty fragments and 30 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.9, hellige-truog; gradual wavy boundary. Lab sample # MU054022
    2Bt3—79 to 102 centimeters (31.1 to 40.2 inches); yellowish brown (10YR 5/6) gravelly clay; moderate fine subangular blocky parts to strong very fine subangular blocky structure; very firm; 0.5 very fine and fine roots; 0.5 very fine and fine interstitial and tubular pores; 30 percent prominent manganese or iron-manganese stains on tops of soil columns and 60 percent distinct clay films on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately alkaline, pH 7.9, hellige-truog; abrupt irregular boundary. Lab sample # MU054023
    2R—102 centimeters (40.2 inches); bedrock; fragments. Dolomite bedrock