IDENTIFIERS

  • Current Taxon Name (Soil Name): DARWIN
  • OSD
  • Series Extent
  • User Site ID: 2007MO151004
  • User Pedon ID: 2007MO151004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0715104
  • NCSS Pedon Lab Data NASIS Record ID - 26145
  • Print Date: 11/23/2024

    • 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: 38.6822778
  • Std. Longitude: -91.7346111
  • Datum: WGS84
  • Township: T45N
  • Range: R7W
  • Section: 6
  • PLSS Details: 239 feet West and 657 feet North from the South East corner
  • Country: US—United States
  • State: Missouri
  • County: MO151—Osage
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO151—Osage County, Missouri
  • 7.5 Minute USGS Quad: 38091-F6—Morrison, Missouri

    • PEDON

  • Describers Name: Grant Butler, Mike Cook
  • Current Taxonomic Class: Fine, smectitic, mesic Fluvaquentic Vertic Endoaquolls
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - DARWIN
  • PSC - 25 to 102 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - SND
  • Classificaton Date - 5/15/2007
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: clayey alluvium derived from mixed
  • Landscape: river valley
  • Landform: flood-plain step
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: poorly
  • Flooding: occasional flooding for long periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/15/2007 (actual site observation date)
  • Air Photo ID: 38091f6sw
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    aquic conditions

    cambic horizon

    0—46

    10—

    46—175

    —46—

    —1—

    —129—
    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

    0.5

    —

    —

    160

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; clay loam; weak very fine subangular blocky structure; friable; 0.5 very fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU007417; observed in push tube
    Ap2—10 to 20 centimeters (3.9 to 7.9 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silty clay loam; moderate fine and medium angular blocky structure; firm; 0.5 very fine roots throughout; 3.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU007418; observed in push tube
    A—20 to 46 centimeters (7.9 to 18.1 inches); very dark gray (10YR 3/1) broken face, dark gray (10YR 4/1) broken face, dry; silty clay; moderate fine subangular blocky structure; firm; 0.5 very fine roots throughout; 3.0 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 # MU007419; observed in push tube
    Bg1—46 to 69 centimeters (18.1 to 27.2 inches); 60 percent dark grayish brown (10YR 4/2) broken face, 40 percent very dark grayish brown (10YR 3/2) broken face, dry; clay; weak very fine subangular blocky, and moderate fine prismatic structure; firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 40 percent very dark gray (10YR 3/1), moist, organic stains 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; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU007420; observed in push tube
    Bg2—69 to 104 centimeters (27.2 to 40.9 inches); 60 percent dark grayish brown (10YR 4/2) broken face and 40 percent dark gray (10YR 4/1) broken face clay; weak very fine subangular blocky, and moderate fine prismatic structure; firm; 0.5 fine tubular pores; 5 percent dark gray (10YR 4/1), moist, organic stains on all faces of peds; 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 dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU007421; observed in push tube
    2Bg3—104 to 150 centimeters (40.9 to 59.1 inches); 60 percent dark grayish brown (10YR 4/2) broken face and 40 percent grayish brown (10YR 5/2) broken face loam; weak fine subangular blocky, and weak medium prismatic structure; friable; 0.5 fine tubular pores; 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 dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent very dark gray (10YR 3/1), moist, worm casts throughout; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    2Bg4—150 to 175 centimeters (59.1 to 68.9 inches); 60 percent dark grayish brown (10YR 4/2) broken face and 30 percent grayish brown (10YR 5/2) broken face and 10 percent gray (10YR 5/1) broken face loam; weak fine and medium subangular blocky structure; friable; 0.5 fine tubular pores; 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 dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent dark gray (10YR 4/1), moist, worm casts throughout; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    2Cg—175 to 203 centimeters (68.9 to 79.9 inches); 60 percent dark grayish brown (10YR 4/2) broken face and 30 percent grayish brown (10YR 5/2) broken face and 10 percent gray (10YR 5/1) broken face stratified stratified silt loam to very fine sandy loam; massive; friable; 0.5 fine tubular pores; 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 dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent dark gray (10YR 4/1), moist, worm casts throughout; fragments; noneffervescent, by hcl, 1n. Lab sample # MU007424; observed in push tube