IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO219060
  • User Pedon ID: 2005MO219060
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0521960
  • NCSS Pedon Lab Data NASIS Record ID - 30343
  • 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: 38.9708333
  • Std. Longitude: -91.2597222
  • Datum: WGS84
  • Township: T49N
  • Range: R3W
  • Section: 33
  • PLSS Details: 1,368 feet East and 2,612 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-H3—Bellflower South, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, Keith Knelle, LeAnn Bullard, Greg Caldwell
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • Current Taxon Kind: variant
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 60
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 64 to 114 cm.
  • Classificaton Date - 4/7/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • 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: 4/7/2005 (actual site observation date)
  • Air Photo ID: 38091h3ne
  • 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

    ochric epipedon

    argillic horizon

    0—25

    64—114

    —25—

    —50—
    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

    2

    —

    —

    232

    —

    135

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark grayish brown (10YR 3/2) rubbed loam; weak very fine subangular blocky structure; friable; 20 percent by volume nonflat subangular indurated 2-?-75 millimeter limestone, unspecified fragments; abrupt smooth boundary.; observed in push tube
    C—25 to 41 centimeters (9.8 to 16.1 inches); yellowish brown (10YR 5/6) broken face coarse sandy loam; single grain; loose; 20 percent by volume nonflat subangular indurated 2-?-75 millimeter limestone, unspecified fragments; abrupt smooth boundary.; observed in push tube
    Ap—41 to 56 centimeters (16.1 to 22.0 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; weak very fine subangular blocky, and moderate thin platy structure; friable; fragments; abrupt smooth boundary.; observed in push tube
    Ep—56 to 64 centimeters (22.0 to 25.2 inches); 50 percent grayish brown (10YR 5/2) broken face and 50 percent gray (10YR 5/1) broken face silt loam; weak very fine subangular blocky structure; friable; 1 percent medium faint irregular noncoherent cemented 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; fragments; abrupt smooth boundary. Lab sample # MU027228; observed in push tube
    Btg—64 to 74 centimeters (25.2 to 29.1 inches); dark grayish brown (10YR 4/2) broken face silty clay; moderate very fine subangular blocky structure; very firm; 40 percent prominent clay films; 1 percent medium faint irregular noncoherent cemented 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; fragments; abrupt smooth boundary. Lab sample # MU027229; observed in push tube
    Bt—74 to 114 centimeters (29.1 to 44.9 inches); 50 percent dark yellowish brown (10YR 4/4) broken face and 50 percent brown (10YR 4/3) broken face silty clay loam; moderate fine subangular blocky structure; firm; 30 percent distinct 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 grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU027230; observed in push tube
    2Bw1—114 to 137 centimeters (44.9 to 53.9 inches); 33 percent dark yellowish brown (10YR 4/4) broken face and 33 percent gray (10YR 6/1) broken face and 34 percent strong brown (7.5YR 5/6) broken face silty clay loam; moderate fine subangular blocky structure; firm; 0.5 fine pores; 20 percent distinct white (10YR 8/1), moist, skeletans; 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; fragments; gradual smooth boundary. Lab sample # MU027231; observed in push tube
    2Bw2—137 to 213 centimeters (53.9 to 83.9 inches); 50 percent dark yellowish brown (10YR 4/4) broken face and 50 percent gray (2.5Y 6/1) broken face silt loam; weak fine subangular blocky, and moderate medium platy structure; firm; 3.0 fine pores; 8 percent faint dark yellowish brown (10YR 4/4), moist, clay films and 8 percent distinct white (10YR 8/1), moist, skeletans; 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; fragments; gradual smooth boundary. Lab sample # MU027232; observed in push tube
    2Bg—213 to 290 centimeters (83.9 to 114.2 inches); 50 percent light gray (10YR 7/1) broken face and 50 percent gray (2.5Y 6/1) broken face silty clay loam; moderate fine subangular blocky, and weak prismatic, and weak thick platy structure; firm; 0.5 fine tubular pores; 8 percent faint brown (7.5YR 4/4), moist, clay films and 30 percent faint light gray (10YR 7/1), moist, skeletans; 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary.; observed in push tube
    3Bgss—290 to 351 centimeters (114.2 to 138.2 inches); gray (2.5Y 5/1) broken face silty clay; massive; very firm; 5 percent distinct slickensides (pedogenic) and 20 percent pressure faces; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 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
    3C—351 to 411 centimeters (138.2 to 161.8 inches); gray (2.5Y 5/1) broken face silty clay; massive; very firm; 3 percent distinct pressure faces; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; abrupt smooth boundary.; observed in push tube
    4Bwb1—411 to 594 centimeters (161.8 to 233.9 inches); 70 percent gray (2.5Y 5/1) broken face and 30 percent gray (2.5Y 6/1) broken face clay loam; massive; firm; 1 percent distinct black (10YR 2/1), moist, organic stains on surfaces along root channels and 2 percent distinct white (10YR 8/1), moist, skeletans; 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; nonflat subrounded indurated 2-?-5 millimeter mixed fragments and 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; gradual smooth boundary.; observed in push tube
    4Bwb2—594 to 640 centimeters (233.9 to 252.0 inches); 33 percent dark yellowish brown (10YR 4/4) broken face and 33 percent gray (10YR 6/1) broken face and 34 percent strong brown (7.5YR 4/6) broken face loam; moderate thin platy structure; friable; 1 percent faint brown (7.5YR 4/4), moist, clay films and 5 percent distinct white (10YR 8/1), moist, skeletans; 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 brown (5YR 4/4), 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; abrupt smooth boundary.; observed in push tube
    4B/C—640 to 686 centimeters (252.0 to 270.1 inches); 50 percent gray (2.5Y 6/1) broken face and 50 percent strong brown (7.5YR 5/8) broken face sandy loam; massive; friable; 2 percent faint gray (2.5Y 6/1), moist, clay films and 8 percent distinct white (10YR 8/1), moist, skeletans; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary.; observed in push tube
    4Cg—686 to 732 centimeters (270.1 to 288.2 inches); 50 percent gray (2.5Y 6/1) broken face and 50 percent strong brown (7.5YR 4/6) broken face silty clay; massive; firm; 8 percent distinct white (10YR 8/1), moist, skeletans; 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; 3 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    4Bw—732 to 762 centimeters (288.2 to 300.0 inches); 50 percent dark yellowish brown (10YR 4/4) broken face and 50 percent light gray (10YR 7/2) broken face loamy sand; massive; very friable; 5 percent prominent very dark gray (10YR 3/1), moist, organic stains on all faces of peds; 1 percent medium faint irregular noncoherent cemented reddish yellow (7.5YR 6/8), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    5C—762 to 823 centimeters (300.0 to 324.0 inches); 50 percent strong brown (7.5YR 4/6) broken face and 50 percent 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 strong brown (7.5YR 5/8), 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; nonflat subangular indurated 2-?-5 millimeter limestone, unspecified fragments and 5 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; gradual smooth boundary.; observed in push tube
    5Cgb1—823 to 945 centimeters (324.0 to 372.0 inches); gray (2.5Y 5/1) broken face clay loam; massive; very firm; 20 percent distinct pressure faces; 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), 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; nonflat subangular indurated 2-?-5 millimeter limestone, unspecified fragments and 5 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    5Cgb2—945 to 1052 centimeters (372.0 to 414.2 inches); 50 percent dark yellowish brown (10YR 4/6) broken face and 50 percent gray (2.5Y 6/1) broken face silty clay loam; massive; very firm; 2 percent faint white (10YR 8/1), moist, carbonate coats and 2 percent distinct pressure faces; 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; nonflat subangular indurated 2-?-5 millimeter limestone, unspecified fragments and 4 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    5C1—1052 to 1143 centimeters (414.2 to 450.0 inches); 80 percent dark yellowish brown (10YR 4/4) broken face and 20 percent light brownish gray (2.5Y 6/2) broken face silty clay loam; moderate thick platy, and moderate thick wedge structure; very firm; 20 percent distinct very pale brown (10YR 8/2), moist, silt coats; 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; nonflat subangular indurated 2-?-5 millimeter limestone, unspecified fragments and 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    5C2—1143 to 1265 centimeters (450.0 to 498.0 inches); 50 percent dark yellowish brown (10YR 4/6) broken face and 50 percent pale red (2.5YR 6/2) broken face silty 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; 2 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    5C3—1265 to 1509 centimeters (498.0 to 594.1 inches); 60 percent dark yellowish brown (10YR 4/4) broken face and 40 percent light brownish gray (2.5Y 6/2) broken face silty clay loam; massive; very firm; 3 percent distinct 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 and 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; 4 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    5Cd—1509 to 1585 centimeters (594.1 to 624.0 inches); dark yellowish brown (10YR 4/6) broken face silty 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 5/6), 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; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    6Cgd—1585 to 1798 centimeters (624.0 to 707.9 inches); black (2.5Y 2.5/1) broken face clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented greenish gray (10G 5/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    6Cg—1798 to 1824 centimeters (707.9 to 718.1 inches); gray (N 5/0) broken face clay loam; massive; very firm; 20 percent prominent pressure faces; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; nonflat subangular indurated 2-?-5 millimeter chert fragments and 35 percent by volume nonflat angular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    7C—1824 to 1849 centimeters (718.1 to 728.0 inches); 50 percent dark yellowish brown (10YR 4/4) broken face and 50 percent brown (10YR 4/3) broken face clay; massive; very firm; 30 percent prominent pressure faces; 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 dark gray (2.5Y 4/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    8Cg—1849 to 1910 centimeters (728.0 to 752.0 inches); gray (2.5Y 5/1) broken face clay; massive; very firm; 60 percent prominent pressure faces; 1 percent medium faint irregular noncoherent cemented dark gray (2.5Y 4/1), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    8Bgb—1910 to 1941 centimeters (752.0 to 764.2 inches); 90 percent light gray (5Y 7/1) broken face and 10 percent dark gray (5Y 4/1) broken face clay; moderate fine angular blocky structure; very firm; 20 percent prominent pressure faces; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/4), moist, iron depletions with clear boundaries in matrix; fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    8C—1941 to 1966 centimeters (764.2 to 774.0 inches); 50 percent gray (5Y 6/1) broken face and 50 percent light olive gray (5Y 6/2) broken face clay; massive; very firm; 10 percent distinct pressure faces; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, and dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat angular indurated unspecified fragments; very slight effervescence, by hcl, 1n.; observed in push tube