IDENTIFIERS

  • Current Taxon Name (Soil Name): Arkana
  • OSD
  • Series Extent
  • User Site ID: 1999MO203053M
  • User Pedon ID: 1999MO203053M
  • Vegetation Plot ID: 1999MO203053M
  • Transect:
  • Transect Stop Number - 4
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9961353
  • NCSS Pedon Lab Data NASIS Record ID - 31519
  • Print Date: 4/29/2025

    • LOCATION

  • Map Unit: 99001—Water
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-B4—Alley Spring, Missouri

    • PEDON

  • Describers Name: DMM, JK, MC
  • Current Taxonomic Class: Very-fine, mixed, active, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Arkana
  • PSC - 18 to 68 cm.
  • Classificaton Date - 1/31/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Arkana
  • Taxonomic Class - Very-fine, mixed, active, mesic Mollic Hapludalfs
  • Taxon Kind - series
  • PSC - 18 to 68 cm.
  • Classificaton Date - 3/15/1999
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium over residuum weathered from dolomite
  • Landscape: hills
  • Landform: valley side
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: h dolomite (dolostone)
  • Surface Fragments: 2.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/15/1999 (actual site observation date)
  • 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

    ACSA3

    QUAL

    QURU

    Acer saccharum

    Quercus alba

    Quercus rubra

    sugar maple

    white oak

    northern red oak

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

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    97 -

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

    mollic epipedon

    argillic horizon

    lithic contact

    0—18

    18—97

    97—

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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

    32

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    232

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    100

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    A—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) extremely gravelly silt loam; strong fine granular, and strong fine subangular blocky structure; very friable; 7.0 very fine and fine roots and 3.0 medium roots and 0.9 coarse roots; 3.0 very fine and fine interstitial and tubular and 0.9 fine tubular pores; 65 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; neutral, pH 7.1, hellige-truog; clear smooth boundary. Lab sample # MU063964
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); 70 percent dark grayish brown (10YR 4/2) and 30 percent brown (7.5YR 4/4) very gravelly clay; moderate fine subangular blocky structure; firm; 3.0 very fine and fine roots; 0.9 very fine and fine interstitial and tubular pores; 35 percent faint brown (10YR 4/3), moist, clay films on faces of peds; 55 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; neutral, pH 7.0, hellige-truog; clear smooth boundary. Lab sample # MU063965
    Bt2—30 to 56 centimeters (11.8 to 22.0 inches); 60 percent dark yellowish brown (10YR 4/4) and 40 percent yellowish brown (10YR 5/4) gravelly clay; weak very fine angular blocky structure; firm; 3.0 very fine and fine roots and 0.9 medium and coarse roots; 0.1 very fine interstitial and tubular pores; 35 percent faint yellowish brown (10YR 5/4), moist, clay films on faces of peds and 35 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds; 2 percent fine spherical extremely weakly coherent cemented very dark gray (10YR 3/1) iron-manganese concretions throughout; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; neutral, pH 7.3, hellige-truog; clear smooth boundary. Lab sample # MU063966
    Bt3—56 to 69 centimeters (22.0 to 27.2 inches); brown (10YR 4/3) gravelly clay; weak very fine angular blocky structure; firm; 3.0 very fine and fine roots; 0.1 very fine interstitial and tubular pores; 15 percent prominent red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent faint brown (10YR 4/3), moist, clay films on faces of peds; 2 percent fine spherical extremely weakly coherent cemented black (10YR 2/1) iron-manganese concretions throughout; 30 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # MU063967
    Bt4—69 to 97 centimeters (27.2 to 38.2 inches); dark yellowish brown (10YR 4/4) gravelly clay; weak very fine angular blocky structure; firm; 3.0 very fine and fine roots; 15 percent prominent dark red (2.5YR 3/6), moist, clay films on faces of peds and 35 percent faint brown (10YR 4/3), moist, clay films on faces of peds; 2 percent fine spherical extremely weakly coherent cemented very dark gray (10YR 3/1) iron-manganese concretions throughout; 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU063968
    R—97 centimeters (38.2 inches); bedrock; fragments.