IDENTIFIERS

  • Current Taxon Name (Soil Name): AUXVASSE
  • OSD
  • Series Extent
  • User Site ID: 2006MO027092
  • User Pedon ID: 2006MO027092
  • User Site Association ID: SDJR-MLRA115B-WinfieldSIL,5to9er
  • Transect:
  • User Transect ID - 05B-1
  • Transect Stop Number - 8
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0602792
  • NCSS Pedon Lab Data NASIS Record ID - 26232
  • Print Date: 11/21/2024

    • 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: 38.7184722
  • Std. Longitude: -91.7773889
  • Datum: WGS84
  • Township: T46N
  • Range: R8W
  • Section: 36
  • PLSS Details: 739 feet East and 590 feet South from the North West corner
  • Country: US—United States
  • State: Missouri
  • County: MO027—Callaway
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO027—Callaway County, Missouri
  • 7.5 Minute USGS Quad: 38091-F7—Mokane East, Missouri

    • PEDON

  • Describers Name: Greg Caldwell, Larry Slechta, Wyn Kelley, Amber Marshaus
  • Current Taxonomic Class: Fine, smectitic, superactive, mesic Chromic Vertic Epiaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 92
  • Correlated Information:
  • Soil Name - AUXVASSE
  • PSC - 18 to 69 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - WINFIELD
  • Classificaton Date - 7/31/2006
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty and clayey alluvium derived from mixed
  • Landscape: river valley
  • Landform: stream terrace
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: low
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/31/2006 (actual site observation date)
  • Air Photo ID: 38091f7ne
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - other grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—18

    18—203

    —18—

    —185—
    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

    2

    —

    —

    202.7

    —

    5

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) broken face silt loam; 26 percent sand; moderate fine subangular blocky structure; friable; 10.0 very fine roots throughout and 10.0 fine roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 35 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU008099; observed in push tube
    Btg1—18 to 33 centimeters (7.1 to 13.0 inches); dark grayish brown (10YR 4/2) broken face silty clay loam; 32 percent sand; moderate fine subangular blocky structure; friable; 10.0 fine roots throughout; 10.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU008100; observed in push tube
    Btg2—33 to 48 centimeters (13.0 to 18.9 inches); dark grayish brown (10YR 4/2) broken face silty clay; 45 percent sand; moderate fine subangular blocky, and weak fine prismatic structure; firm; 10.0 very fine roots throughout and 10.0 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct clay films on all faces of peds and 35 percent distinct silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU008101; observed in push tube
    Btg3—48 to 74 centimeters (18.9 to 29.1 inches); dark grayish brown (10YR 4/2) broken face silty clay; 51 percent sand; moderate fine subangular blocky, and weak medium prismatic structure; firm; 10.0 very fine roots throughout and 10.0 fine roots throughout; 10.0 fine tubular pores; 35 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU008102; observed in push tube
    Btg4—74 to 107 centimeters (29.1 to 42.1 inches); grayish brown (10YR 5/2) broken face silty clay loam; 37 percent sand; weak medium subangular blocky, and moderate medium prismatic structure; firm; 10.0 very fine roots throughout and 10.0 fine roots throughout; 3.0 fine tubular pores; 12 percent distinct silt coats on all faces of peds and 35 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU008103; observed in push tube
    Bt1—107 to 137 centimeters (42.1 to 53.9 inches); dark yellowish brown (10YR 4/4) broken face silty clay loam; 33 percent sand; weak medium subangular blocky, and weak medium prismatic structure; firm; 0.5 fine tubular pores; 35 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark grayish brown (10YR 4/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU008104; observed in push tube
    Bt2—137 to 178 centimeters (53.9 to 70.1 inches); dark yellowish brown (10YR 4/4) broken face silty clay loam; 31 percent sand; weak coarse subangular blocky, and weak medium prismatic structure; firm; 0.5 fine tubular pores; 35 percent distinct dark grayish brown (10YR 4/2), moist, clay films on vertical faces of peds; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU008105; observed in push tube
    Bt3—178 to 203 centimeters (70.1 to 79.9 inches); 60 percent dark yellowish brown (10YR 4/4) broken face and 30 percent dark grayish brown (10YR 4/2) broken face and 10 percent grayish brown (10YR 5/2) broken face silty clay loam; 30 percent sand; weak medium prismatic structure; firm; 0.5 fine tubular pores; 35 percent distinct dark gray (10YR 4/1), moist, clay films on vertical faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n. Lab sample # MU008106; observed in push tube