IDENTIFIERS

  • Current Taxon Name (Soil Name): Sonsac
  • OSD
  • Series Extent
  • User Site ID: 1997MO203086M
  • User Pedon ID: 1997MO203086M
  • User Site Association ID: 8653
  • Transect:
  • User Transect ID - shannon-87F1
  • Transect Stop Number - 6
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9761386
  • NCSS Pedon Lab Data NASIS Record ID - 31639
  • 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: 37.3038556
  • Std. Longitude: -91.4061222
  • 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-C4—Round Spring, Missouri

    • PEDON

  • Describers Name: MS, BM, LT
  • Current Taxonomic Class: Clayey-skeletal, mixed, superactive, mesic Mollic Hapludalfs
  • 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 64 cm.
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Sonsac
  • Taxonomic Class - Clayey-skeletal, mixed, active, mesic Typic Hapludalfs
  • Taxon Kind - series
  • PSC - 18 to 64 cm.
  • Classificaton Date - 8/26/1997
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 56 percent of Percent clay in the control section and 35.299999 Percent rock fragments in the control section (vol)


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/26/1997 (actual site observation date)
  • Air Photo ID: 8
  • 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

    —

    64 -

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

    mollic epipedon

    argillic horizon

    lithic contact

    0—18

    18—64

    64—

    —-

    —-

    —-
    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

    66

    —

    —

    244

    —

    314

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) very gravelly clay; moderate medium granular, and moderate medium subangular blocky structure; firm; 7.0 fine and medium roots; 7.0 medium interstitial and tubular pores; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # MU059625
    Bt1—18 to 36 centimeters (7.1 to 14.2 inches); brown (10YR 4/3) gravelly clay; moderate medium subangular blocky structure; firm; 3.0 fine to coarse roots; 3.0 fine vesicular pores; 35 percent distinct dark brown (10YR 3/3), moist, clay films in root channels and/or pores; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # MU059626
    Bt2—36 to 64 centimeters (14.2 to 25.2 inches); 20 percent reddish yellow (7.5YR 6/6) and 80 percent brown (7.5YR 4/4) very gravelly clay; moderate medium subangular blocky structure; firm; 0.1 fine and medium roots; 3.0 fine vesicular pores; 35 percent distinct brown (7.5YR 4/3), moist, clay films on faces of peds; 45 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments; slightly alkaline, pH 7.5, hellige-truog. Lab sample # MU059627
    R—64 centimeters (25.2 inches); bedrock; fragments.