IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1995MO221014M
  • User Pedon ID: 1995MO221014
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9522114
  • Print Date: 11/21/2024

    • 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: 37.9928358
  • Std. Longitude: -91.0459576
  • Datum: WGS84
  • Township: T38N
  • Range: R1W
  • Section: 21
  • PLSS Details: 910 feet E and 900 feet N of the SW corner
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: D. Skaer, G. Lindgren
  • Current Taxonomic Class: Loamy-skeletal over clayey, 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 - Loamy-skeletal over clayey, mixed Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 20 to 70 cm.
  • Classificaton Date - 12/18/1995
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from cherty limestone
  • Landscape: hills
  • Landform: hillside
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Surface Fragments: 0.50 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/18/1995 (actual site observation date)
  • Air Photo ID: 10
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    32

    —

    —

    299

    —

    114

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    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Partially decomposed roots, twigs, and leaves.
    A—3 to 11 centimeters (1.2 to 4.3 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; very gravelly silt loam; moderate very fine granular structure; friable; 6.0 very fine and fine roots and 2.0 medium and coarse roots; 6.0 very fine and fine interstitial and tubular pores; 30 percent distinct organic stains on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU054038
    E—11 to 23 centimeters (4.3 to 9.1 inches); pale brown (10YR 6/3) very gravelly silt loam; weak fine platy parts to moderate very fine subangular blocky structure; friable; 6.0 very fine and fine roots and 2.0 medium and coarse roots; 3.0 very fine and fine interstitial and tubular pores; 30 percent distinct skeletans on faces of peds; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU054039
    Bt1—23 to 36 centimeters (9.1 to 14.2 inches); yellowish brown (10YR 5/6) extremely gravelly silt loam; moderate very fine subangular blocky structure; friable; 2.0 very fine and fine roots and 2.0 medium and coarse roots; 3.0 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds and 30 percent distinct 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; strongly acid, pH 5.1, hellige-truog; gradual irregular boundary. Lab sample # MU054040
    2Bt2—36 to 59 centimeters (14.2 to 23.2 inches); strong brown (7.5YR 5/6) very gravelly clay; moderate very fine subangular blocky structure; firm; 2.0 very fine and fine roots and 0.5 medium and coarse roots; 0.5 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds and 60 percent prominent skeletans on faces of peds; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU054041
    2Bt3—59 to 84 centimeters (23.2 to 33.1 inches); yellowish red (5YR 4/6) gravelly clay; weak very fine angular blocky parts to moderate very fine angular 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; 60 percent distinct clay films on faces of peds and 60 percent prominent skeletans on faces of peds; 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; gradual irregular boundary. Lab sample # MU054042
    2Bt4—87 to 100 centimeters (34.3 to 39.4 inches); yellowish red (5YR 4/6) very stony clay; weak very fine angular blocky parts to moderate very fine angular blocky structure; very firm; 0.5 very fine and fine interstitial and tubular pores; 30 percent distinct clay films on faces of peds; 10 percent by volume 2-39-75 millimeter limestone, cherty fragments and 60 percent by volume 250-425-600 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; gradual irregular boundary. Lab sample # MU054043
    2R—100 centimeters (39.4 inches); bedrock; fragments. Weathered Chert