IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2007MO027086
  • User Pedon ID: 2007MO027086
  • Vegetation Plot ID: 2007MO027086
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0702786
  • NCSS Pedon Lab Data NASIS Record ID - 30250
  • Print Date: 11/26/2024

    • 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: 38.7958333
  • Std. Longitude: -91.6817222
  • Datum: WGS84
  • Township: T47N
  • Range: R7W
  • Section: 34
  • PLSS Details: 79 feet East and 1,401 feet North from the South East corner
  • Country: US—United States
  • State: Missouri
  • County: MO027—Callaway
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Non-MLRA Soil Survey Area: MO027—Callaway County, Missouri
  • 7.5 Minute USGS Quad: 38091-G6—Readsville, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, LeAnn Bullard, Amber Marshaus
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 86
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 28 to 79 cm.
  • Classificaton Date - 4/25/2007
  • 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 over clayey pedisediment derived from mixed over clayey till derived from mixed
  • Landscape: till plain
  • Landform: divide
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Warner Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/25/2007 (actual site observation date)
  • Air Photo ID: 38091g6se
  • 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 sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    FESTU

    Festuca

    fescue

    —

    —

    —
    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    742 - 742

    - 1 -

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

    ochric epipedon

    albic horizon

    argillic horizon

    lithologic discontinuity

    lithologic discontinuity

    lithic contact

    0—28

    15—28

    28—457

    69—69

    140—140

    742—742

    —28—

    —13—

    —429—

    —1—

    —1—

    —1—
    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

    0

    —

    —

    261.8

    —

    1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; moderate fine subangular blocky structure; friable; 10.0 very fine roots throughout and 3.0 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine tubular and 3.0 medium tubular and 10.0 fine tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    E—15 to 28 centimeters (5.9 to 11.0 inches); dark grayish brown (10YR 4/2) broken face silt loam; weak fine subangular blocky structure; friable; 10.0 very fine roots throughout and 10.0 fine roots throughout; 10.0 very fine tubular and 10.0 fine tubular pores; 12 percent distinct very dark gray (10YR 3/1), moist, organoargillans on all faces of peds and 12 percent distinct grayish brown (10YR 5/2), 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; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    Bt—28 to 48 centimeters (11.0 to 18.9 inches); brown (10YR 4/3) broken face silty clay; moderate fine subangular blocky structure; firm; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 35 percent distinct 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 grayish brown (10YR 5/2), 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; gradual smooth boundary.; observed in push tube
    Btg1—48 to 69 centimeters (18.9 to 27.2 inches); light brownish gray (2.5Y 6/2) broken face silty clay loam; weak thick platy, and weak medium prismatic structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 3.0 fine tubular pores; 35 percent distinct 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 dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    2Btg2—69 to 140 centimeters (27.2 to 55.1 inches); light brownish gray (2.5Y 6/2) broken face silty clay loam; strong medium platy, and strong thick platy structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 12 percent distinct clay films on all faces of peds and 70 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/8), 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; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Btg3—140 to 213 centimeters (55.1 to 83.9 inches); gray (10YR 5/1) broken face silty clay; moderate fine subangular blocky structure; very firm; 0.5 very fine tubular pores; 35 percent prominent light gray (5YR 7/1), moist, silt coats on all faces of peds and 35 percent prominent clay films on all faces of peds; 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; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    3Btg4—213 to 305 centimeters (83.9 to 120.1 inches); gray (10YR 5/1) broken face silty clay loam; moderate medium subangular blocky, and moderate fine subangular blocky, and weak medium prismatic structure; very firm; 0.5 very fine tubular pores; 35 percent prominent clay films on all faces of peds and 70 percent prominent light gray (5YR 7/1), 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 yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    3Bt1—305 to 381 centimeters (120.1 to 150.0 inches); yellowish brown (10YR 5/6) broken face silty clay; weak medium subangular blocky, and weak coarse subangular blocky, and weak coarse prismatic structure; very firm; 0.5 very fine tubular pores; 12 percent distinct 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 strong brown (7.5YR 5/8), 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; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    3Bt2—381 to 457 centimeters (150.0 to 179.9 inches); strong brown (7.5YR 5/8) broken face silty clay loam; weak coarse subangular blocky, and weak medium subangular blocky, and weak coarse prismatic structure; very firm; 0.5 very fine tubular pores; 12 percent distinct clay films on all faces of peds; 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 by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    3BC1—457 to 610 centimeters (179.9 to 240.2 inches); yellowish brown (10YR 5/4) broken face silty clay; massive; very firm; 12 percent faint 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 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 and 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    3BC2—610 to 686 centimeters (240.2 to 270.1 inches); light olive brown (2.5Y 5/4) broken face clay loam; massive; very 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 and 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; 2 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with sharp boundaries throughout; 6 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3BC3—686 to 706 centimeters (270.1 to 278.0 inches); light olive brown (2.5Y 5/6) broken face sandy 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 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; 4 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with sharp boundaries throughout; 8 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3BC4—706 to 716 centimeters (278.0 to 281.9 inches); yellowish brown (10YR 5/6) broken face sandy loam; massive; firm; 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; 2 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with sharp boundaries throughout; 1 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3BCk—716 to 732 centimeters (281.9 to 288.2 inches); yellowish brown (10YR 5/6) broken face 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; 6 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with sharp boundaries throughout; 7 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    4Cr—732 to 823 centimeters (288.2 to 324.0 inches); 90 percent reddish gray (5YR 5/2) broken face and 10 percent yellow (10YR 7/6) broken face clay; massive; very firm; fragments; noneffervescent, by hcl, 1n.; observed in push tube