IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2006MO139077
  • User Pedon ID: 2006MO139077
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0613977
  • NCSS Pedon Lab Data NASIS Record ID - 30304
  • 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: 38.9011667
  • Std. Longitude: -91.2889444
  • Datum: WGS84
  • Township: T48N
  • Range: R3W
  • Section: 30
  • PLSS Details: 1,318 feet West and 1,217 feet South from the North East corner
  • Location Description: BS-08
  • 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-H3—Bellflower South, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, LeAnn Bullard, David Dowdy, 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 #: 77
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 5/1/2006
  • 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 sedimentary rock
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: middle 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: 5/1/2006 (actual site observation date)
  • Air Photo ID: 38091h3se
  • 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

    3

    —

    —

    250.9

    —

    6

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) broken face silt loam; weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 10.0 fine roots throughout; 10.0 medium tubular and 10.0 fine tubular pores; 30 percent very dark brown (10YR 2/2), moist, organic stains; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027988; observed in pit, small
    E—23 to 28 centimeters (9.1 to 11.0 inches); dark yellowish brown (10YR 4/6) broken face silt loam; moderate fine subangular blocky, and moderate thin platy structure; friable; 3.0 medium roots throughout and 10.0 fine roots throughout; 10.0 medium tubular and 10.0 fine tubular pores; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 3/4), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU027989; observed in pit, small
    Bt—28 to 71 centimeters (11.0 to 28.0 inches); dark yellowish brown (10YR 4/4) broken face silty clay; moderate fine subangular blocky structure; very firm; 3.0 fine roots throughout; 3.0 fine tubular pores; 45 percent dark grayish brown (10YR 4/2), moist, clay films; 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 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 # MU027990; observed in pit, small
    Btg1—71 to 86 centimeters (28.0 to 33.9 inches); gray (10YR 5/1) broken face silty clay loam; moderate fine subangular blocky, and moderate fine prismatic structure; firm; 0.5 fine roots; 0.5 fine tubular pores; 35 percent 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; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027991; observed in pit, small
    Btg2—86 to 117 centimeters (33.9 to 46.1 inches); gray (10YR 5/1) broken face silty clay loam; moderate fine subangular blocky, and moderate medium prismatic structure; firm; 30 percent gray (10YR 5/1), 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; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU027992; observed in pit, small
    2Btgb1—117 to 259 centimeters (46.1 to 102.0 inches); gray (10YR 5/1) broken face silty clay loam; weak medium platy, and weak coarse prismatic structure; firm; 20 percent gray (10YR 5/1), moist, 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 # MU027993; observed in pit, small
    2Btgb2—259 to 381 centimeters (102.0 to 150.0 inches); gray (10YR 5/1) broken face silty clay; weak coarse prismatic structure; very firm; 7 percent gray (10YR 6/1), moist, silt coats and 10 percent gray (10YR 5/1), moist, clay films; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 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; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2Btb1—381 to 457 centimeters (150.0 to 179.9 inches); yellowish brown (10YR 5/6) broken face silty clay loam; weak medium platy, and weak coarse prismatic structure; firm; 3 percent gray (10YR 5/1), moist, clay films; 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 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; 3 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
    2Bg—457 to 549 centimeters (179.9 to 216.1 inches); gray (10YR 5/1) broken face silty clay; weak medium platy, and weak coarse prismatic structure; firm; 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; 5 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
    2Bk1—549 to 592 centimeters (216.1 to 233.1 inches); yellowish brown (10YR 5/6) broken face silty clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), 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; 5 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2Bk2—592 to 701 centimeters (233.1 to 276.0 inches); yellowish brown (10YR 5/6) broken face silty clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), 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; 5 percent fine prominent white (10YR 8/1), moist, carbonate masses; 4 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2Cd1—701 to 945 centimeters (276.0 to 372.0 inches); yellowish brown (10YR 5/6) broken face silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), 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; 1 percent fine prominent white (10YR 8/1), moist, carbonate masses; 5 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2Cd2—945 to 1006 centimeters (372.0 to 396.1 inches); yellowish brown (10YR 5/6) broken face silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), 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; 7 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2Cd3—1006 to 1189 centimeters (396.1 to 468.1 inches); yellowish brown (10YR 5/8) broken face silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; 8 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2Cd4—1189 to 1250 centimeters (468.1 to 492.1 inches); yellowish brown (10YR 5/6) broken face silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; 8 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2C1—1250 to 1265 centimeters (492.1 to 498.0 inches); yellowish brown (10YR 5/6) broken face sandy loam; massive; very friable; 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; fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2C2—1265 to 1311 centimeters (498.0 to 516.1 inches); dark yellowish brown (10YR 4/6) 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 6/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2C3—1311 to 1356 centimeters (516.1 to 533.9 inches); yellowish brown (10YR 5/6) broken face sandy loam; massive; very friable; fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3C1—1356 to 1372 centimeters (533.9 to 540.2 inches); greenish black (10Y 2.5/1) broken face silty clay; massive; very firm; 7 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3C2—1372 to 1463 centimeters (540.2 to 576.0 inches); greenish black (10Y 2.5/1) broken face clay; massive; very firm; 5 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4ABkb—1463 to 1478 centimeters (576.0 to 581.9 inches); yellowish brown (10YR 5/6) broken face gravelly clay loam; weak fine subangular blocky structure; very firm; 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), 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; 3 percent fine prominent white (10YR 8/1), moist, carbonate masses; 20 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4Bab—1478 to 1539 centimeters (581.9 to 605.9 inches); yellowish brown (10YR 5/6) broken face gravelly sandy clay loam; moderate fine subangular blocky structure; friable; 20 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4BC1—1539 to 1600 centimeters (605.9 to 629.9 inches); yellowish brown (10YR 5/6) broken face clay loam; weak fine subangular blocky structure; friable; 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; 4 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4BC2—1600 to 1676 centimeters (629.9 to 659.8 inches); yellowish brown (10YR 5/6) broken face loamy sand; structureless single grain; loose; 5 percent by volume nonflat subangular very strongly coherent cemented 2-?-75 millimeter mixed fragments; strong effervescence, by hcl, 1n.; observed in pit, small