IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2006MO139052
  • User Pedon ID: 2006MO139052
  • Transect:
  • User Transect ID - Michael Chalfant
  • Transect Stop Number - 1
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0613952
  • NCSS Pedon Lab Data NASIS Record ID - 30328
  • 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: 38.9093611
  • Std. Longitude: -91.5139722
  • Datum: WGS84
  • Township: T48N
  • Range: R5W
  • Section: 19
  • PLSS Details: 1,459 feet West and 696 feet North from the South East corner
  • Location Description: SW1/4, SW1/4, SE1/4, SE1/4
  • Country: US—United States
  • State: Missouri
  • County: MO139—Montgomery
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO603—Montgomery and Warren Counties, Missouri
  • 7.5 Minute USGS Quad: 38091-H5—Montgomery City, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, Greg Caldwell, Amber Marshaus, Mike Chalfant
  • 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 #: 52
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 1/3/2006
  • 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

  • Parent Material: clayey loess derived from mixed over clayey till derived from aa lava
  • Landscape: till plain
  • Landform: ridge
  • Anthropogenic Feature: ditch
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Recent Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/3/2006 (actual site observation date)
  • Air Photo ID: 38091h5se
  • 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
    • 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

    —

    —

    256.9

    —

    180

    —

    —

    —

    —

    —

    —

    —

    —

    —

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    Ap—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; weak very fine subangular blocky structure; firm; 10.0 very fine roots; 10.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU027689; observed in pit, small
    Bt1—10 to 30 centimeters (3.9 to 11.8 inches); dark yellowish brown (10YR 4/4) broken face silty clay loam; moderate fine subangular blocky structure; firm; 3.0 very fine roots; 10.0 fine tubular pores; 30 percent distinct clay films; 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 grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027690; observed in pit, small
    Bt2—30 to 53 centimeters (11.8 to 20.9 inches); 30 percent grayish brown (10YR 5/2) broken face and 70 percent yellowish brown (10YR 5/4) broken face silty clay; moderate fine subangular blocky structure; firm; 10.0 very fine roots; 3.0 fine tubular pores; 50 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027691; observed in pit, small
    Btg—53 to 112 centimeters (20.9 to 44.1 inches); 25 percent yellowish brown (10YR 5/6) broken face and 75 percent grayish brown (10YR 5/2) broken face silty clay loam; weak medium subangular blocky, and weak medium prismatic structure; firm; 0.5 fine roots; 10.0 fine tubular pores; 20 percent distinct clay films; 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; gradual smooth boundary. Lab sample # MU027692; observed in pit, small
    2Btb—112 to 168 centimeters (44.1 to 66.1 inches); 20 percent gray (10YR 5/1) broken face and 80 percent brown (7.5YR 4/4) broken face clay; strong fine subangular blocky structure; very firm; 50 percent prominent pressure faces; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU027693; observed in pit, small
    2Btgb1—168 to 290 centimeters (66.1 to 114.2 inches); gray (10YR 5/1) broken face clay; moderate fine subangular blocky structure; very firm; 20 percent clay films and 20 percent pressure faces; 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 yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # MU027694; observed in pit, small
    2Btgbss—290 to 518 centimeters (114.2 to 203.9 inches); 25 percent yellowish brown (10YR 5/6) broken face and 75 percent gray (10YR 5/1) broken face clay; moderate medium angular blocky structure; very firm; 20 percent clay films and 20 percent pressure faces; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2Btgb2—518 to 625 centimeters (203.9 to 246.1 inches); 35 percent yellowish brown (10YR 5/6) broken face and 65 percent gray (10YR 5/1) broken face silty clay; weak medium subangular blocky, and weak coarse prismatic structure; firm; 20 percent clay films; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2BC—625 to 686 centimeters (246.1 to 270.1 inches); 30 percent gray (10YR 5/1) broken face and 70 percent yellowish brown (10YR 5/6) broken face silty clay loam; weak thick platy structure; firm; 5 percent clay films; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent fine prominent white (10YR 8/1), moist, carbonate masses; 3 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter unspecified fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2Ck1—686 to 732 centimeters (270.1 to 288.2 inches); 30 percent gray (10YR 5/1) broken face and 70 percent yellowish brown (10YR 5/6) broken face silty clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 10 percent fine prominent white (10YR 8/1), moist, carbonate masses; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2Ck2—732 to 884 centimeters (288.2 to 348.0 inches); 20 percent yellowish brown (10YR 5/4) broken face and 80 percent yellowish brown (10YR 5/6) broken face clay loam; massive; 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; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2C1—884 to 1036 centimeters (348.0 to 407.9 inches); yellowish brown (10YR 5/6) broken face silty clay loam; weak thick platy structure; very firm; 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), 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; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2C2—1036 to 1082 centimeters (407.9 to 426.0 inches); yellowish brown (10YR 5/6) broken face clay loam; massive; very firm; 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 5/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter unspecified fragments; strong effervescence, by hcl, 1n.; observed in pit, small