IDENTIFIERS

  • Current Taxon Name (Soil Name): Opequon
  • OSD
  • Series Extent
  • User Site ID: 1997MO203013M
  • User Pedon ID: 1997MO203013M
  • User Site Association ID: 8617
  • Transect:
  • User Transect ID - shannon-74D1
  • Transect Stop Number - 12
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9761313
  • NCSS Pedon Lab Data NASIS Record ID - 27793
  • Print Date: 1/30/2025

    • 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: 37.3664111
  • Std. Longitude: -91.3552889
  • 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-C3—The Sinks, Missouri

    • PEDON

  • Describers Name: SB,BM,LT,MS
  • Current Taxonomic Class: Clayey, mixed, active, mesic Lithic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Opequon
  • PSC - 10 to 43 cm.
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Opequon
  • Taxonomic Class - Clayey, mixed, active, mesic Lithic Hapludalfs
  • Taxon Kind - series
  • PSC - 10 to 43 cm.
  • Classificaton Date - 2/5/1997
  • 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: 60 percent of Percent clay in the control section and 15.8 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: residuum weathered from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/5/1997 (actual site observation date)
  • Air Photo ID: 9
  • 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

    —

    43 -

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

    mollic epipedon

    argillic horizon

    lithic contact

    0—10

    10—43

    43—

    —-

    —-

    —-
    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

    14

    —

    —

    256

    —

    272

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); very dark gray (10YR 3/1) very gravelly clay loam; weak fine subangular blocky, and moderate fine granular structure; friable; 7.0 fine to coarse roots; 7.0 fine to coarse interstitial and tubular pores; 5 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; neutral, pH 6.9, hellige-truog; clear smooth boundary. Lab sample # MU018832
    Bt1—10 to 36 centimeters (3.9 to 14.2 inches); red (10R 4/6) clay; moderate medium subangular blocky structure; firm; 7.0 fine and medium roots and 3.0 coarse roots; 0.9 medium tubular and 7.0 fine tubular pores; 35 percent distinct dark red (2.5YR 3/6), moist, clay films on faces of peds and 35 percent distinct weak red (10R 4/2), moist, clay films on faces of peds; 3 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments and 10 percent by volume 75-162-250 millimeter dolomite (dolostone) fragments; neutral, pH 7.2, hellige-truog; clear smooth boundary. Lab sample # MU018833
    Bt2—36 to 43 centimeters (14.2 to 16.9 inches); red (2.5YR 4/6) gravelly clay; weak fine subangular blocky structure; firm; 3.0 fine and medium roots and 0.9 coarse roots; 0.1 medium tubular and 7.0 fine tubular pores; 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds; 25 percent by volume 2-39-75 millimeter dolomite (dolostone) fragments; slightly alkaline, pH 7.5, hellige-truog. Lab sample # MU018834
    R—43 centimeters (16.9 inches); bedrock; fragments. Dolomite bedrock.