IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1998MO221185M
  • User Pedon ID: 1998MO221185
  • Vegetation Plot ID: 1998MO221185
  • Transect:
  • Transect Stop Number - 8
  • Transect Interval - 100.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9822152
  • 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: 38.1046456
  • Std. Longitude: -90.9632028
  • Datum: WGS84
  • Location Description: Pea Ridge State Park
  • State: Missouri
  • County: MO221—Washington
  • MLRA: 116A—Ozark Highland

    • PEDON

  • Describers Name: GB,DS,JS,DM
  • 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 - 15 to 66 cm.
  • Classificaton Date - 11/17/1998
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 81.28 cm of Depth to bedrock


    • SITE

  • Parent Material: slope alluvium and/or 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
  • Bedrock: s moderate weathered dolomite (dolostone)
  • Surface Fragments: 2.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/1998 (actual site observation date)
  • Air Photo ID: C1
  • 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

    QUVE

    Quercus velutina

    black oak

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    argillic horizon

    lithic contact

    15—81

    15—

    81—0

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    —-

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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

    20

    —

    —

    238

    —

    230

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    A—0 to 8 centimeters (0.0 to 3.1 inches); black (10YR 2/1), gray (10YR 5/1), dry; extremely gravelly silt loam; weak fine subangular blocky parts to moderate very fine subangular blocky structure; friable; 6.0 fine to coarse roots and 3.0 coarse roots; 6.0 fine to coarse interstitial and tubular pores; 5 percent by volume 250-425-600 millimeter limestone, cherty fragments and 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # MU061170
    E—8 to 15 centimeters (3.1 to 5.9 inches); dark yellowish brown (10YR 4/4) extremely gravelly silt loam; weak fine subangular blocky parts to moderate fine subangular blocky structure; friable; 6.0 fine to coarse roots; 6.0 fine to coarse interstitial and tubular pores; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 50 percent by volume 2-39-75 millimeter limestone, cherty fragments; moderately acid, pH 5.9, hellige-truog; clear smooth boundary. Lab sample # MU061171
    Bt1—15 to 25 centimeters (5.9 to 9.8 inches); 90 percent brown (10YR 4/3) and 10 percent dark grayish brown (10YR 4/2) very gravelly silty clay loam; moderate fine subangular blocky, and moderate very fine subangular blocky structure; friable; 3.0 fine to coarse roots; 6.0 fine to coarse interstitial and tubular pores; 15 percent distinct clay films throughout; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # MU061172. discontinuous - phpvsfiid 135263; discontinuous - phpvsfiid 135263
    2Bt2—25 to 48 centimeters (9.8 to 18.9 inches); 50 percent brown (7.5YR 4/4) and 50 percent yellowish red (5YR 4/6) very gravelly clay; weak medium prismatic parts to moderate fine subangular blocky structure; very firm; 1.0 fine and medium roots; 3.0 fine to coarse interstitial and tubular pores; 15 percent distinct manganese or iron-manganese stains throughout and 15 percent distinct organic stains in root channels and/or pores and 60 percent distinct clay films throughout; 10 percent by volume 75-162-250 millimeter limestone, cherty fragments and 35 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.6, hellige-truog; gradual smooth boundary. Lab sample # MU061173. discontinuous - phpvsfiid 135265; continuous - phpvsfiid 135264; discontinuous - phpvsfiid 135266; discontinuous - phpvsfiid 135265; continuous - phpvsfiid 135264; discontinuous - phpvsfiid 135266
    2Bt3—48 to 71 centimeters (18.9 to 28.0 inches); 80 percent brown (7.5YR 4/4) and 20 percent dark yellowish brown (10YR 4/4) gravelly clay; weak medium prismatic parts to strong fine subangular blocky structure; very firm; 1.0 very fine and fine roots; 3.0 fine and medium interstitial and tubular pores; 35 percent distinct manganese or iron-manganese stains throughout and 35 percent distinct pressure faces on all faces of peds and 60 percent distinct clay films throughout; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume 250-425-600 millimeter limestone, cherty fragments and 20 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.0, hellige-truog; clear wavy boundary. Lab sample # MU061174. continuous - phpvsfiid 135267; discontinuous - phpvsfiid 135268; discontinuous - phpvsfiid 135269; continuous - phpvsfiid 135267; discontinuous - phpvsfiid 135268; discontinuous - phpvsfiid 135269
    2Bt4—71 to 81 centimeters (28.0 to 31.9 inches); 80 percent dark yellowish brown (10YR 4/4) and 10 percent strong brown (7.5YR 4/6) and 10 percent strong brown (7.5YR 5/6) gravelly clay; strong medium prismatic structure; very firm; 1.0 very fine and fine roots; 1.0 very fine and fine interstitial and tubular pores; 15 percent distinct organic stains in root channels and/or pores and 35 percent distinct pressure faces on all faces of peds and 60 percent distinct clay films throughout; 5 percent by volume 75-162-250 millimeter limestone, cherty fragments and 5 percent by volume 250-425-600 millimeter limestone, cherty fragments and 15 percent by volume 2-39-75 millimeter limestone, cherty fragments; neutral, pH 7.0, hellige-truog; abrupt wavy boundary. Lab sample # MU061175. continuous - phpvsfiid 135270; discontinuous - phpvsfiid 135271; discontinuous - phpvsfiid 135272; continuous - phpvsfiid 135270; discontinuous - phpvsfiid 135271; discontinuous - phpvsfiid 135272
    2R—81 centimeters (31.9 inches); bedrock; fragments. Eminence Dolomite