IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1992MO057024M
  • User Pedon ID: 1992MO057024
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9205724
  • Print Date: 6/1/2024
  • 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: 37.5126556
  • Std. Longitude: -93.8144528
  • Datum: WGS84
  • Township: T32N
  • Range: R26W
  • Section: 17
  • PLSS Details: 2700 feet N and 1800 feet E of the SW corner
  • Location Description: 2700 feet north and 1800 feet east of the southwest corner of section 17, T. 32 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 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 - 43 to 93 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Bardley
  • Taxon Kind - series
  • Classificaton Date - 3/10/1992
  • 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: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: well
  • Bedrock: limestone, cherty
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/10/1992 (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—43

    43—117

    117—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

    4

    288

    270

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); brown (7.5YR 4/3), brown (7.5YR 5/3), dry; extremely cobbly silt loam; weak fine granular structure; very friable; 6.0 fine roots; 30 percent by volume 2-39-75 millimeter limestone, cherty fragments and 30 percent by volume 75-162-250 millimeter limestone, cherty fragments; strongly acid, pH 5.5, hellige-truog; abrupt smooth boundary. Lab sample # MU010290
    AB—20 to 43 centimeters (7.9 to 16.9 inches); yellowish red (5YR 4/6) extremely cobbly silt loam; weak fine subangular blocky structure; friable; 4.0 fine roots; 30 percent by volume 2-39-75 millimeter limestone, cherty fragments and 35 percent by volume 75-162-250 millimeter limestone, cherty fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # MU010291
    Bt1—43 to 58 centimeters (16.9 to 22.8 inches); reddish brown (5YR 4/4) extremely gravelly clay; weak fine subangular blocky structure; firm; 4.0 fine roots; 30 percent distinct clay films on faces of peds; 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.1, hellige-truog; clear smooth boundary. Lab sample # MU010292. discontinuous - phpvsfiid 153504; discontinuous - phpvsfiid 153504
    2Bt2—58 to 79 centimeters (22.8 to 31.1 inches); dark reddish brown (2.5YR 3/4) very cobbly clay; weak fine and medium angular blocky structure; firm; 0.5 fine roots; 3 percent manganese or iron-manganese stains on faces of peds and 30 percent distinct clay films on faces of peds; 20 percent by volume 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.9, hellige-truog; clear wavy boundary. Lab sample # MU010293. continuous - phpvsfiid 153505; discontinuous - phpvsfiid 153511; continuous - phpvsfiid 153505; discontinuous - phpvsfiid 153511
    2Bt3—79 to 102 centimeters (31.1 to 40.2 inches); dark reddish brown (2.5YR 3/4) very cobbly clay; moderate fine and medium angular blocky structure; firm; 0.5 fine roots; 3 percent manganese or iron-manganese stains on faces of peds and 3 percent organic stains on faces of peds and 30 percent distinct clay films on faces of peds; 20 percent by volume 2-39-75 millimeter limestone, cherty fragments and 20 percent by volume 75-162-250 millimeter limestone, cherty fragments; slightly acid, pH 6.5, hellige-truog; clear wavy boundary. Lab sample # MU010294. discontinuous - phpvsfiid 153669; continuous - phpvsfiid 153668; discontinuous - phpvsfiid 153670; discontinuous - phpvsfiid 153669; continuous - phpvsfiid 153668; discontinuous - phpvsfiid 153670
    2Bt4—102 to 117 centimeters (40.2 to 46.1 inches); dark reddish brown (2.5YR 3/4) very stony clay; moderate fine and medium angular blocky structure; firm; 0.5 fine roots; 3 percent manganese or iron-manganese stains on faces of peds and 30 percent distinct clay films on faces of peds; 50 percent by volume 250-425-600 millimeter limestone, cherty fragments; neutral, pH 6.6, hellige-truog; abrupt wavy boundary. Lab sample # MU010295. discontinuous - phpvsfiid 153672; continuous - phpvsfiid 153671; discontinuous - phpvsfiid 153672; continuous - phpvsfiid 153671
    2R—117 centimeters (46.1 inches); bedrock; fragments.