IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2006MO139065
  • User Pedon ID: 2006MO139065
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0613965
  • NCSS Pedon Lab Data NASIS Record ID - 30315
  • 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: 38.8747778
  • Std. Longitude: -91.5178056
  • Datum: WGS84
  • Township: T47N
  • Range: R5W
  • Section: 6
  • PLSS Details: 2,362 feet West and 1,223 feet South from the North East corner
  • Country: US—United States
  • State: Missouri
  • County: MO139—Montgomery
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO603—Montgomery and Warren Counties, Missouri
  • 7.5 Minute USGS Quad: 38091-G5—Americus, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, Amber Marshaus, John Horton, Wyn Kelley
  • 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 #: 65
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 2/23/2006
  • 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: fine-silty loess derived from mixed over clayey till derived from aa lava
  • Landscape: till plain
  • Landform: divide
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Recent Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/23/2006 (actual site observation date)
  • Air Photo ID: 38091g5ne
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - close-grown crop
  • 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

    —

    —

    259.1

    —

    0

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; weak fine subangular blocky structure; friable; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027859; observed in pit, small
    Btg1—15 to 36 centimeters (5.9 to 14.2 inches); grayish brown (10YR 5/2) broken face silty clay; moderate fine subangular blocky structure; firm; 70 percent faint grayish brown (10YR 5/2), moist, clay films; 1 percent medium faint irregular noncoherent cemented dark red (2.5YR 3/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027860; observed in pit, small
    Btg2—36 to 51 centimeters (14.2 to 20.1 inches); grayish brown (10YR 5/2) broken face silty clay loam; moderate fine subangular blocky structure; firm; 70 percent faint grayish brown (10YR 5/2), moist, clay films; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027861; observed in pit, small
    2Btgb1—51 to 152 centimeters (20.1 to 59.8 inches); grayish brown (10YR 5/2) broken face silty clay loam; prismatic structure; firm; 12 percent prominent light gray (10YR 7/1), moist, silt coats and 15 percent faint grayish brown (10YR 5/2), moist, clay films; 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 # MU027862; observed in pit, small
    2Btgb2—152 to 198 centimeters (59.8 to 78.0 inches); gray (10YR 5/1) broken face silty clay loam; weak medium angular blocky, and prismatic structure; firm; 12 percent prominent light gray (10YR 7/1), moist, silt coats and 35 percent faint gray (10YR 5/1), moist, clay films; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter unspecified fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027863; observed in pit, small
    3Btgb1—198 to 259 centimeters (78.0 to 102.0 inches); gray (10YR 5/1) broken face silty clay; moderate medium angular blocky, and prismatic structure; firm; 12 percent prominent light gray (10YR 7/1), moist, silt coats and 70 percent faint gray (10YR 5/1), moist, clay films; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027864; observed in pit, small
    3Btgb2—259 to 351 centimeters (102.0 to 138.2 inches); gray (5Y 6/1) broken face silty clay; strong prismatic structure; very firm; 35 percent faint gray (5Y 6/1), moist, clay films; 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; 1 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    3Btgb3—351 to 518 centimeters (138.2 to 203.9 inches); light olive gray (5Y 6/2) broken face silty clay loam; moderate prismatic structure; very firm; 40 percent faint light olive gray (5Y 6/2), moist, 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; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3Bkb1—518 to 594 centimeters (203.9 to 233.9 inches); light brownish gray (2.5Y 6/2) broken face silty clay loam; moderate prismatic structure; very firm; 20 percent prominent white (10YR 8/1), moist, carbonate coats; 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; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3Bkb2—594 to 701 centimeters (233.9 to 276.0 inches); light brownish gray (2.5Y 6/2) broken face silty clay loam; weak very fine subangular blocky, and weak thin platy structure; very firm; 5 percent prominent white (10YR 8/1), moist, carbonate coats; 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-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4C1—701 to 732 centimeters (276.0 to 288.2 inches); dark yellowish brown (10YR 4/6) broken face very gravelly loamy sand; structureless single grain; loose; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 30 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4C2—732 to 777 centimeters (288.2 to 305.9 inches); yellowish brown (10YR 5/4) broken face clay loam; massive, and medium platy; firm; 1 percent medium faint irregular noncoherent cemented gray (5Y 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; 10 percent by volume nonflat subrounded very strongly coherent cemented 2-?-75 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small