IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2007MO027060
  • User Pedon ID: 2007MO027060
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0702760
  • NCSS Pedon Lab Data NASIS Record ID - 30276
  • 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: 38.9293611
  • Std. Longitude: -91.7093333
  • Datum: WGS84
  • Township: T48N
  • Range: R7W
  • Section: 16
  • PLSS Details: 1,382 feet East and 1,257 feet North from the South 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: 38091-H6—Williamsburg, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, LeAnn Bullard, Amber Marshaus
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 60
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 11/8/2006
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Landform: drainageway
  • Anthropogenic Feature: ditch
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent slight weathered shale, clayey at 274cm with 45 to <100 and a strike of 0 degrees and a dip of 0 to 0 degrees
  • Geology: Cheltenham Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/8/2006 (actual site observation date)
  • Air Photo ID: 38091h6sw
  • 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 gully
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    274 - 274

    - 1 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    lithic contact

    274—274

    —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

    3.8

    —

    —

    246

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 30 centimeters (0.0 to 11.8 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; weak very 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; fragments; clear smooth boundary.; observed in push tube
    Bt—30 to 91 centimeters (11.8 to 35.8 inches); brown (10YR 4/3) broken face silty clay loam; weak fine subangular blocky 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 distinct clay films; 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 dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU028567; observed in push tube
    Btg—91 to 152 centimeters (35.8 to 59.8 inches); gray (10YR 5/1) broken face silty clay loam; weak medium subangular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 35 percent distinct clay films; 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; fragments; clear smooth boundary. Lab sample # MU028568; observed in push tube
    2Btgb1—152 to 183 centimeters (59.8 to 72.0 inches); gray (10YR 5/1) broken face silty clay; weak medium subangular blocky, and weak medium angular blocky structure; firm; 35 percent distinct clay films; 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; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary. Lab sample # MU028569; observed in push tube
    2Btgb2—183 to 213 centimeters (72.0 to 83.9 inches); gray (10YR 5/1) broken face silty clay loam; weak medium subangular blocky structure; firm; 35 percent distinct clay films; 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; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary. Lab sample # MU028570; observed in push tube
    3Btgb3—213 to 274 centimeters (83.9 to 107.9 inches); 40 percent yellowish brown (10YR 5/8) broken face and 60 percent gray (2.5Y 6/1) broken face silty clay; moderate medium subangular blocky, and weak coarse prismatic structure; firm; 35 percent distinct clay films; 12 percent fine prominent cylindrical extremely weakly coherent cemented black (10YR 2/1), moist, with clear boundaries throughout; 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in push tube
    4Cg—274 to 442 centimeters (107.9 to 174.0 inches); 50 percent light gray (2.5Y 7/1) broken face and 50 percent gray (2.5Y 6/1) broken face clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments.; observed in push tube