IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO219067
  • User Pedon ID: 2005MO219067
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0521967
  • NCSS Pedon Lab Data NASIS Record ID - 30336
  • Print Date: 11/23/2024

    • 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: 38.9141889
  • Std. Longitude: -91.1586722
  • Datum: WGS84
  • Township: T48N
  • Range: R2W
  • Section: 20
  • PLSS Details: 2,796 feet East and 1,105 feet South from the North West corner
  • Country: US—United States
  • State: Missouri
  • County: MO219—Warren
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO603—Montgomery and Warren Counties, Missouri
  • 7.5 Minute USGS Quad: 38091-H2—Hawk Point, Missouri

    • PEDON

  • Describers Name: LeAnn Bullard, Mike Chalfant, Amber Marshaus
  • Current Taxonomic Class: Fine, smectitic, superactive, mesic Aquertic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 67
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, superactive, mesic Aquertic Hapludalfs
  • PSC - 56 to 107 cm.
  • Classificaton Date - 7/19/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Pre-illinoian Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/19/2005 (actual site observation date)
  • Air Photo ID: 38091h2se
  • 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: landslip erosion highly deformed
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    —

    41 - 56

    - 15 -

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

    ochric epipedon

    albic horizon

    abrupt textural change

    argillic horizon

    0—56

    41—56

    41—56

    56—340

    —56—

    —15—

    —15—

    —284—
    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

    —

    —

    235.3

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 5 centimeters (0.0 to 2.0 inches); fragments; clear smooth boundary.; observed in pit, small
    Ap2—5 to 18 centimeters (2.0 to 7.1 inches); fragments; clear smooth boundary.; observed in pit, small
    E1—18 to 41 centimeters (7.1 to 16.1 inches); brown (10YR 4/3) crushed silt loam; weak fine platy, and weak fine subangular blocky structure; friable; 10.0 medium roots and 10.0 fine roots; 10.0 medium tubular and 10.0 fine tubular pores; 15 percent gray (10YR 6/1), moist, silt coats; fragments; clear smooth boundary. Lab sample # MU027336; observed in pit, small
    E2—41 to 56 centimeters (16.1 to 22.0 inches); grayish brown (10YR 5/2) crushed silt loam; moderate thin platy structure; firm; 3.0 medium roots and 3.0 fine roots; 10.0 fine tubular pores; 15 percent gray (10YR 6/1), moist, silt coats; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary. Lab sample # MU027337; observed in pit, small
    Btg1—56 to 89 centimeters (22.0 to 35.0 inches); dark grayish brown (10YR 4/2) crushed silty clay; weak medium subangular blocky structure; firm; 3.0 medium roots and 3.0 fine roots; 3.0 fine tubular pores; 1 percent gray (10YR 6/1), moist, silt coats; 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 yellowish red (5YR 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 and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU027338; observed in pit, small
    Btg2—89 to 132 centimeters (35.0 to 52.0 inches); dark grayish brown (10YR 4/2) crushed silty clay loam; moderate fine subangular blocky structure; firm; 0.5 fine roots; 3.0 fine tubular pores; 10 percent very dark grayish brown (10YR 3/2), moist, clay films; 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 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 and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU027339; observed in pit, small
    Btg3—132 to 203 centimeters (52.0 to 79.9 inches); grayish brown (10YR 5/2) crushed silty clay loam; moderate fine subangular blocky structure; firm; 0.5 fine roots; 3.0 fine tubular pores; 5 percent gray (10YR 6/1), moist, skeletans and 20 percent very dark grayish brown (10YR 3/2), 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 flat very strongly coherent cemented chert fragments; clear smooth boundary. Lab sample # MU027340; observed in pit, small
    2Btgb1—203 to 274 centimeters (79.9 to 107.9 inches); 40 percent dark yellowish brown (10YR 4/6) crushed and 60 percent gray (2.5Y 5/1) crushed silty clay; moderate fine subangular blocky structure; firm; 0.5 fine tubular pores; 25 percent very dark grayish brown (10YR 3/2), moist, 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 strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; 5 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small
    2Btgb2—274 to 340 centimeters (107.9 to 133.9 inches); olive gray (5Y 5/2) crushed silty clay loam; massive; very firm; 5 percent pressure faces; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in pit, small
    2Cg1—340 to 366 centimeters (133.9 to 144.1 inches); gray (2.5Y 5/1) crushed silty clay; massive; very firm; 5 percent pressure faces; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments; gradual smooth boundary.; observed in pit, small
    2Cg2—366 to 457 centimeters (144.1 to 179.9 inches); grayish brown (2.5Y 5/2) crushed silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments; gradual smooth boundary.; observed in pit, small
    2Cg3—457 to 592 centimeters (179.9 to 233.1 inches); gray (2.5Y 6/1) crushed clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small
    2C1—592 to 732 centimeters (233.1 to 288.2 inches); yellowish brown (10YR 5/6) crushed silty clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented light brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix; 4 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small
    2C2—732 to 866 centimeters (288.2 to 340.9 inches); brownish yellow (10YR 6/6) crushed 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments and 10 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    3C1—866 to 897 centimeters (340.9 to 353.1 inches); 60 percent light gray (2.5Y 7/2) crushed and 40 percent brownish yellow (10YR 6/8) crushed gravelly clay; 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 strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small
    3C2—897 to 945 centimeters (353.1 to 372.0 inches); light gray (10YR 7/1) crushed silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments.; observed in pit, small