IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO027051
  • User Pedon ID: 2005MO027051
  • Transect:
  • User Transect ID - MexPut-31
  • Transect Stop Number - 7
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0502751
  • NCSS Pedon Lab Data NASIS Record ID - 25868
  • Print Date: 5/20/2024
  • 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: 39.0151944
  • Std. Longitude: -91.8545833
  • Datum: WGS84
  • Township: T49N
  • Range: R8W
  • Section: 19
  • PLSS Details: 2,950 feet East and 787 feet South from the North West corner
  • Country: US—United States
  • State: Missouri
  • County: MO027—Callaway
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO027—Callaway County, Missouri
  • 7.5 Minute USGS Quad: 39091-A7—Mexico SE, Missouri
  • PEDON

  • Describers Name: Ralph Tucker, Teresa Gerber
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 51
  • Correlated Information:
  • Soil Name - MEXICO
  • 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 - MEXICO
  • Classificaton Date - 12/5/2005
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: silty and clayey loess derived from mixed over silty and clayey pedisediment derived from igneous, metamorphic and sedimentary rock
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/5/2005 (actual site observation date)
  • Air Photo ID: 39091a7sw
  • Surface Water Kind: none observed
  • 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 sheet
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    aquic conditions

    reduced matrix

    lithologic discontinuity

    0—18

    18—145

    18—145

    18—145

    74—

    —18—

    —127—

    —127—

    —127—

    —1—

    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

    1

    256

    116

    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior, dry; silt loam; weak very fine subangular blocky, and weak very fine platy structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine vesicular and 3.0 very fine tubular and 3.0 fine vesicular and 3.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU005545; observed in push tube
    Ap2—10 to 18 centimeters (3.9 to 7.1 inches); 80 percent very dark grayish brown (10YR 3/2) interior and 20 percent grayish brown (10YR 5/2) interior silt loam; weak very fine platy structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 12 percent prominent gray (10YR 6/1), moist, 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; clear smooth boundary. Lab sample # MU005546; observed in push tube
    Btg1—18 to 30 centimeters (7.1 to 11.8 inches); 60 percent grayish brown (10YR 5/2) interior and 40 percent dark grayish brown (10YR 4/2) interior silt loam; moderate medium subangular blocky structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 5 percent faint clay films on all faces of peds and 12 percent prominent gray (10YR 6/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 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; fragments; clear smooth boundary.; observed in push tube
    Btg2—30 to 43 centimeters (11.8 to 16.9 inches); 60 percent grayish brown (10YR 5/2) interior and 40 percent dark gray (10YR 4/1) interior silty clay; moderate medium subangular blocky, and weak fine prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 12 percent prominent gray (10YR 6/1), moist, silt coats on all faces of peds and 12 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 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; fragments; clear smooth boundary.; observed in push tube
    Btg3—43 to 56 centimeters (16.9 to 22.0 inches); 70 percent grayish brown (10YR 5/2) interior and 20 percent dark grayish brown (10YR 4/2) interior and 10 percent brown (10YR 4/3) interior silty clay; moderate medium subangular blocky, and moderate fine prismatic structure; firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 12 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), 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; clear smooth boundary.; observed in push tube
    Btg4—56 to 74 centimeters (22.0 to 29.1 inches); 70 percent gray (10YR 6/1) interior and 20 percent grayish brown (10YR 5/2) interior and 10 percent dark grayish brown (10YR 4/2) interior silty clay loam; moderate medium subangular blocky, and moderate fine prismatic structure; firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 12 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), 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 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; clear smooth boundary.; observed in push tube
    2Btg5—74 to 109 centimeters (29.1 to 42.9 inches); 70 percent gray (10YR 6/1) interior and 20 percent grayish brown (10YR 5/2) interior and 10 percent gray (10YR 5/1) interior silty clay loam; moderate medium angular blocky, and moderate fine prismatic structure; very firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 12 percent faint dark grayish brown (10YR 4/2), moist, 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 strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), 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 gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    2Btg6—109 to 145 centimeters (42.9 to 57.1 inches); 80 percent gray (10YR 5/1) interior and 20 percent gray (10YR 6/1) interior silt loam; moderate medium angular blocky, and moderate fine prismatic structure; very firm; 0.5 very fine roots throughout; 0.5 fine tubular pores; 12 percent distinct brown (10YR 4/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 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 gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube