IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO027002
  • User Pedon ID: 2005MO027002
  • Transect:
  • User Transect ID - MexPut-31
  • Transect Stop Number - 8
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0502702
  • NCSS Pedon Lab Data NASIS Record ID - 25823
  • Print Date: 2/17/2025

    • 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: 39.0150833
  • Std. Longitude: -91.8473889
  • Datum: WGS84
  • Township: T49N
  • Range: R8W
  • Section: 19
  • PLSS Details: 948 feet West and 790 feet South from the North East corner
  • Location Description: Brinker Farm.
  • 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: Grant Butler
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Albaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 2
  • 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 - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Holocene Stage silty and clayey loess derived from mixed over Holocene Stage silty and clayey pedisediment derived from igneous, metamorphic and sedimentary rock
  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: very 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

    lithologic discontinuity

    0—18

    18—203

    18—203

    18—203

    43—

    58—

    —18—

    —185—

    —185—

    —185—

    —1—

    —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

    3

    —

    —

    252.4

    —

    280

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 8 centimeters (0.0 to 3.1 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; moderate very fine and fine subangular blocky structure; friable; 3.0 very fine roots throughout; 3.0 very fine tubular pores; fragments; clear wavy boundary. Lab sample # MU005183; observed in push tube
    Ap2—8 to 18 centimeters (3.1 to 7.1 inches); 55 percent very dark grayish brown (10YR 3/2) broken face and 45 percent dark grayish brown (10YR 4/2) broken face silt loam; weak very fine and fine subangular blocky, and weak fine and medium platy structure; friable; 3.0 very fine roots throughout; 3.0 very fine tubular 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; abrupt smooth boundary. Lab sample # MU005184; observed in push tube
    Btg1—18 to 28 centimeters (7.1 to 11.0 inches); 65 percent dark grayish brown (10YR 4/2) broken face and 35 percent grayish brown (10YR 5/2) broken face silty clay; weak very fine and fine subangular blocky, and weak fine and medium prismatic structure; firm; 0.5 fine roots throughout; 3.0 very fine tubular and 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 red (5YR 5/6), 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; fragments; clear wavy boundary. Lab sample # MU005185; observed in push tube
    Btg2—28 to 43 centimeters (11.0 to 16.9 inches); 50 percent light brownish gray (10YR 6/2) broken face and 50 percent grayish brown (10YR 5/2) broken face silty clay; weak very fine and fine subangular blocky, and weak fine and medium prismatic structure; firm; 0.5 fine roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; 12 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds and 12 percent faint grayish brown (10YR 5/2), 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 dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented very dark grayish brown (10YR 3/2), 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; fragments; gradual wavy boundary. Lab sample # MU005186; observed in push tube
    Btg3—43 to 58 centimeters (16.9 to 22.8 inches); 60 percent light brownish gray (10YR 6/2) broken face and 40 percent grayish brown (10YR 5/2) broken face silty clay loam; moderate very fine and fine subangular blocky, and moderate medium prismatic structure; firm; 0.5 fine roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; 12 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds and 12 percent faint grayish brown (10YR 5/2), 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 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 and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual wavy boundary.; observed in push tube
    2Btg4—58 to 112 centimeters (22.8 to 44.1 inches); 60 percent light brownish gray (10YR 6/2) broken face and 30 percent grayish brown (10YR 5/2) broken face and 10 percent brown (10YR 5/3) broken face silt loam; moderate very fine and fine subangular blocky, and moderate medium and coarse prismatic structure; firm; 3.0 very fine tubular pores; 3 percent faint grayish brown (10YR 5/2), 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 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 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 light gray (10YR 7/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light gray (10YR 7/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual wavy boundary. Lab sample # MU005188; observed in push tube
    3Btg5—112 to 157 centimeters (44.1 to 61.8 inches); 50 percent light brownish gray (10YR 6/2) broken face and 50 percent gray (10YR 6/1) broken face silt loam; weak fine and medium subangular blocky, and weak coarse prismatic structure; firm; 3.0 very fine tubular pores; 3 percent faint grayish brown (10YR 5/2), 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 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 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 light gray (10YR 7/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light gray (10YR 7/1), moist, iron depletions with clear boundaries in matrix; fragments; gradual wavy boundary.; observed in push tube
    3Btg6—157 to 203 centimeters (61.8 to 79.9 inches); gray (10YR 6/1) broken face silty clay loam; weak fine and medium subangular blocky, and weak coarse prismatic structure; firm; 3.0 very fine tubular pores; 3 percent faint grayish brown (10YR 5/2), moist, clay films on all faces of peds and 3 percent faint light brownish gray (10YR 6/2), 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 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 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 light gray (10YR 7/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light gray (10YR 7/1), moist, iron depletions with clear boundaries in matrix; fragments.; observed in push tube