IDENTIFIERS

  • Current Taxon Name (Soil Name): Tanglenook
  • OSD
  • Series Extent
  • User Site ID: 1990MO019045
  • User Pedon ID: 1990MO019045
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9001945
  • NCSS Pedon Lab Data NASIS Record ID - 34378
  • Print Date: 2/2/2025

    • 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: 39.1296941
  • Std. Longitude: -92.3342886
  • Datum: WGS84
  • Range: R13W
  • Section: 12
  • Location Description: 1000 feet north and 950 feet east of the SW corner of sec. 12, T.50N.,R.13W.
  • State: Missouri
  • County: MO019—Boone
  • MLRA: 115—Central Mississippi Valley Wooded Slopes

    • PEDON

  • Describers Name: George Davis and Fred Young
  • Current Taxon Kind: taxon above family
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Sampled As Information:
  • Soil Name - Tanglenook
  • PSC - 41 to 91 cm.
  • Classificaton Date - 10/1/1990
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: alluvium
  • Landscape: river valley
  • Landform: terrace
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/1/1990 (actual site observation date)
  • Air Photo ID: 10
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—64

    41—188

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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

    5

    —

    —

    —

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    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silty clay loam; weak fine subangular blocky structure; friable; 0.1 very fine and fine roots; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # MU037115
    A1—20 to 41 centimeters (7.9 to 16.1 inches); very dark gray (10YR 3/1) silty clay loam; moderate fine and medium subangular blocky structure; friable; 3.0 very fine roots and 0.1 fine roots; fragments; slightly acid, pH 6.5, hellige-truog; gradual smooth boundary. Lab sample # MU037116
    Bt1—41 to 64 centimeters (16.1 to 25.2 inches); very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2) silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine roots and 0.0 fine roots; 10 percent faint clay films; yellowish brown (10YR 5/6) masses of oxidized iron; 1 percent fine dark yellowish brown (10YR 4/6); 3 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog; gradual smooth boundary. Lab sample # MU037117
    Bt2—64 to 119 centimeters (25.2 to 46.9 inches); dark yellowish brown (10YR 4/4) silty clay loam; 15 percent dark brown (7.5YR 3/2) fine distinct mottles; moderate fine prismatic parts to strong very fine and fine subangular blocky structure; firm; very dark gray (10YR 3/1) on faces of peds and 15 percent distinct clay films; 1 percent fine iron-manganese concretions and 10 percent fine dark yellowish brown (10YR 4/6) masses of oxidized iron; 8 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU037118
    Bt3—119 to 150 centimeters (46.9 to 59.1 inches); dark brown (10YR 3/3) silty clay loam; 1 percent dark gray (10YR 4/1) fine faint mottles; moderate fine subangular blocky structure; firm; very dark gray (10YR 3/1) on faces of peds and 15 percent faint clay films; dark yellowish brown (10YR 4/6) masses of oxidized iron; 1 percent fine dark yellowish brown (10YR 3/4); 4 percent by volume 2-39-75 millimeter unspecified fragments; moderately acid, pH 5.9, hellige-truog; gradual smooth boundary. Lab sample # MU037119
    Bt4—150 to 188 centimeters (59.1 to 74.0 inches); dark yellowish brown (10YR 4/4) clay loam; moderate fine and medium angular blocky structure; firm; very dark gray (10YR 3/1) on faces of peds and 10 percent distinct clay films and 10 percent prominent clay films in root channels and/or pores; 1 percent fine dark yellowish brown (10YR 4/6) masses of oxidized iron; 2 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.3, hellige-truog. Lab sample # MU037120