IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1999MO203016M
  • User Pedon ID: 1999MO203016M
  • User Site Association ID: 8623
  • Transect:
  • User Transect ID - shannon-74F4
  • Transect Stop Number - 4
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9961316
  • NCSS Pedon Lab Data NASIS Record ID - 31544
  • Print Date: 2/1/2025
  • 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: 37.1095778
  • Std. Longitude: -91.1123583
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-A1—Van Buren North, Missouri
  • PEDON

  • Describers Name: BM,LT,MS,SE
  • Current Taxonomic Class: Loamy-skeletal, mixed, active, mesic Argiudolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Sonsac
  • PSC - 18 to 68 cm.
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Alred
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 18 to 100 cm.
  • Classificaton Date - 2/10/1999
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3


  • SITE

  • Parent Material: residuum weathered from dolomite
  • Landscape: hills
  • Landform: hillslope
  • 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: 2/10/1999 (actual site observation date)
  • Air Photo ID: 15
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    76 -

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

    mollic epipedon

    argillic horizon

    lithic contact

    0—38

    18—76

    76—

    —-

    —-

    —-

    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

    30

    198

    A—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (7.5YR 3/1) very cobbly clay; moderate medium subangular blocky structure; firm; 7.0 fine to coarse roots; 7.0 fine to coarse tubular pores; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments and 25 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments; clear smooth boundary. Lab sample # MU063774
    Bt1—18 to 38 centimeters (7.1 to 15.0 inches); reddish yellow (5YR 6/8) and dark reddish brown (5YR 3/3) very cobbly sandy clay; weak fine subangular blocky structure; firm; 3.0 fine to coarse roots; 3.0 fine to coarse tubular pores; 35 percent distinct dark reddish brown (5YR 3/2) clay films on faces of peds; 15 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments and 35 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments; clear wavy boundary. Lab sample # MU063775
    Bt2—38 to 61 centimeters (15.0 to 24.0 inches); pink (7.5YR 8/4) and red (2.5YR 4/6) extremely cobbly sandy clay; weak fine subangular blocky structure; firm; 3.0 fine to coarse roots; 3.0 fine and medium tubular pores; 35 percent distinct dark reddish brown (2.5YR 3/4) clay films on faces of peds and 35 percent distinct reddish brown (2.5YR 4/3) clay films on faces of peds; 20 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments and 50 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments; abrupt wavy boundary. Lab sample # MU063776
    2Bt3—61 to 76 centimeters (24.0 to 29.9 inches); reddish brown (2.5YR 4/3) extremely cobbly fine sandy loam; weak fine subangular blocky structure; firm; 0.9 fine to coarse roots; 3.0 fine and medium tubular pores; 35 percent distinct dark reddish brown (2.5YR 3/4) clay films on faces of peds; 10 percent fine irregular very dark gray (10YR 3/1) iron-manganese concretions; 10 percent by volume 250-425-600 millimeter dolomite (dolostone) fragments and 10 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments and 60 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments; moderately alkaline, pH 7.9, hellige-truog. Lab sample # MU063777
    2R—76 centimeters (29.9 inches); bedrock; fragments.