IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO139053
  • User Pedon ID: 2005MO139053
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0513953
  • NCSS Pedon Lab Data NASIS Record ID - 30375
  • 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: 38.9338889
  • Std. Longitude: -91.2913889
  • Datum: WGS84
  • Township: T48N
  • Range: R3W
  • Section: 7
  • PLSS Details: 2,232 feet West and 31 feet North from the South East corner
  • Location Description: Legeman, Ditch next to farm ground
  • 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, Keith Knelle, Greg Caldwell
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Argialbolls
  • Current Taxon Kind: family
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 53
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Vertic Argialbolls
  • PSC - 46 to 97 cm.
  • Classificaton Date - 4/14/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed
  • Landscape: till plain
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/14/2005 (actual site observation date)
  • Air Photo ID: 38091h3se
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - other
  • Site Obs. Cover Kind 2 - rural transportation
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    albic horizon

    argillic horizon

    0—28

    28—46

    46—84

    —28—

    —18—

    —38—
    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

    —

    —

    241.7

    —

    325

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 28 centimeters (0.0 to 11.0 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; weak fine subangular blocky structure; friable; 0.5 medium roots and 10.0 fine roots; 10.0 fine tubular pores; fragments; abrupt smooth boundary. Lab sample # MU026708; observed in push tube
    E—28 to 46 centimeters (11.0 to 18.1 inches); dark grayish brown (10YR 4/2) broken face silt loam; weak fine subangular blocky structure; friable; 10.0 fine roots; 10.0 fine tubular pores; 3 percent faint very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026709; observed in push tube
    Bt—46 to 84 centimeters (18.1 to 33.1 inches); dark yellowish brown (10YR 4/4) broken face silty clay loam; moderate fine and medium subangular blocky structure; firm; 3.0 fine tubular pores; 5 percent distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 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 grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU026710; observed in push tube
    B—84 to 213 centimeters (33.1 to 83.9 inches); fragments.; observed in push tube
    2Bw—213 to 249 centimeters (83.9 to 98.0 inches); yellowish brown (10YR 5/6) broken face silt loam; moderate medium platy, and weak very fine subangular blocky structure; friable; 10.0 fine tubular pores; 4 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and 5 percent faint dark yellowish brown (10YR 3/4), moist, organic stains on all faces of peds and 15 percent prominent gray (10YR 6/1), moist, silt coats on all faces of peds; 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    2Btb—249 to 340 centimeters (98.0 to 133.9 inches); yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky structure; firm; 0.5 fine tubular pores; 6 percent faint white (10YR 8/1), moist, silt coats on all faces of peds and 25 percent distinct dark yellowish brown (10YR 4/4), moist, and grayish brown (10YR 5/2), moist, clay films on all faces of peds; 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 (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    2Btssb—340 to 427 centimeters (133.9 to 168.1 inches); 50 percent dark yellowish brown (10YR 4/6) broken face and 50 percent strong brown (7.5YR 5/6) broken face silty clay; weak fine angular blocky structure; firm; 2 percent faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and 2 percent prominent grayish brown (10YR 5/2), moist, clay films on all faces of peds and 2 percent distinct brownish yellow (10YR 6/8), moist, clay films on all faces of peds and 25 percent distinct slickensides (pedogenic); 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 (2.5Y 5/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; gradual smooth boundary.; observed in push tube
    3Btb1—427 to 579 centimeters (168.1 to 228.0 inches); yellowish brown (10YR 5/8) broken face clay loam; moderate medium subangular blocky structure; very firm; 25 percent prominent yellowish brown (10YR 5/4), moist, clay films on all faces of peds and 25 percent distinct strong brown (7.5YR 4/6), moist, clay films on all faces of peds; 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 brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    3Btb2—579 to 762 centimeters (228.0 to 300.0 inches); yellowish brown (10YR 5/6) broken face clay loam; thick platy, and moderate fine subangular blocky structure; very firm; 5 percent faint strong brown (7.5YR 4/6), moist, clay films on all faces of peds and 15 percent distinct gray (2.5Y 6/1), moist, clay films on all faces of peds; 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 olive yellow (2.5Y 6/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/8), moist, iron depletions with clear boundaries in matrix; 10 percent fine prominent carbonate nodules; 3 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Btkb—762 to 950 centimeters (300.0 to 374.0 inches); yellowish brown (10YR 5/8) broken face loam; moderate thin platy, and moderate medium platy structure; very firm; 3 percent prominent gray (10YR 6/1), moist, silt coats on all faces of peds and 10 percent distinct dark yellowish brown (10YR 4/6), moist, clay films on all faces of peds; 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 red (5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (2.5Y 5/1), moist, iron depletions with clear boundaries in matrix; 10 percent fine prominent carbonate nodules; 3 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    4Ck1—950 to 1102 centimeters (374.0 to 433.9 inches); strong brown (7.5YR 5/8) broken face coarse sand; massive; loose; 3 percent distinct strong brown (7.5YR 5/8), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark grayish brown (10YR 4/2), moist, iron depletions with clear boundaries in matrix; 10 percent fine prominent carbonate nodules; fragments; strong effervescence, by hcl, 1n; gradual wavy boundary.; observed in push tube
    4Ck2—1102 to 1219 centimeters (433.9 to 479.9 inches); yellowish brown (10YR 5/4) broken face coarse sand; massive; loose; 1 percent medium faint irregular noncoherent cemented reddish brown (2.5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish yellow (7.5YR 6/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    5C—1219 to 1250 centimeters (479.9 to 492.1 inches); yellowish brown (10YR 5/4) broken face clay loam; massive, and strong extremely coarse prismatic; very firm; 5 percent prominent carbonate coats on all faces of peds; 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 strong brown (7.5YR 4/6), 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; 5 percent fine prominent carbonate nodules; 7 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    6C—1250 to 1280 centimeters (492.1 to 503.9 inches); yellowish brown (10YR 5/4) broken face silt loam; massive; friable; 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 strong brown (7.5YR 4/6), 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; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    7C—1280 to 1311 centimeters (503.9 to 516.1 inches); dark yellowish brown (10YR 4/4) broken face clay loam; 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 strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    7Cd—1311 to 1415 centimeters (516.1 to 557.1 inches); yellowish brown (10YR 5/4) 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 reddish yellow (7.5YR 6/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light gray (2.5Y 7/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n.; observed in push tube