IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2007MO027073
  • User Pedon ID: 2007MO027073
  • Vegetation Plot ID: 2007MO027073
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0702773
  • NCSS Pedon Lab Data NASIS Record ID - 30263
  • 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: 38.8055278
  • Std. Longitude: -91.9588611
  • Datum: WGS84
  • Township: T47N
  • Range: R9W
  • Section: 32
  • PLSS Details: 1,687 feet East and 2,592 feet North from the South West 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-G8—Fulton, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, 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 #: 73
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 41 to 91 cm.
  • Classificaton Date - 4/2/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • 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: 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: medium
  • 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: 4/2/2007 (actual site observation date)
  • Air Photo ID: 38091g8sw
  • 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
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    FESTU

    Festuca

    fescue

    —

    —

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

    mollic epipedon

    argillic horizon

    lithologic discontinuity

    lithologic discontinuity

    lithologic discontinuity

    0—41

    41—698

    61—61

    152—152

    912—912

    —41—

    —657—

    —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

    3

    —

    —

    256.9

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 41 centimeters (0.0 to 16.1 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; weak very 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; abrupt smooth boundary.; observed in push tube
    Btg—41 to 61 centimeters (16.1 to 24.0 inches); grayish brown (10YR 5/2) broken face silty clay loam; moderate medium subangular blocky, and moderate coarse prismatic structure; firm; 3.0 very fine roots throughout and 0.5 medium roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 medium tubular and 3.0 fine tubular pores; 35 percent distinct clay films 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 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 # MU028744; observed in push tube
    2Bg1—61 to 112 centimeters (24.0 to 44.1 inches); 50 percent gray (10YR 5/1) broken face and 50 percent grayish brown (10YR 5/2) broken face silt loam; weak fine subangular blocky, and weak medium prismatic, and moderate thick platy structure; friable; 3.0 very fine tubular and 0.5 medium tubular and 3.0 fine tubular pores; 12 percent distinct gray (10YR 6/1), moist, silt coats on all faces of peds and 12 percent distinct 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 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 # MU028745; observed in push tube
    2Bg2—112 to 152 centimeters (44.1 to 59.8 inches); 50 percent gray (10YR 5/1) broken face and 50 percent gray (10YR 6/1) broken face silt loam; moderate thick platy, and weak coarse prismatic structure; friable; 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 light gray (10YR 7/1), moist, silt coats on all faces of peds and 12 percent distinct 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 and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), 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; clear smooth boundary. Lab sample # MU028746; observed in push tube
    3Btg—152 to 366 centimeters (59.8 to 144.1 inches); gray (2.5Y 6/1) broken face silty clay loam; moderate medium subangular blocky, and moderate medium prismatic structure; very firm; 0.5 very fine roots throughout; 0.5 very fine tubular and 0.5 fine tubular pores; 35 percent distinct clay films 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 and 1 percent medium faint irregular noncoherent cemented brown (7.5YR 5/4), 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. Lab sample # MU028747; observed in push tube
    3Bt1—366 to 457 centimeters (144.1 to 179.9 inches); strong brown (7.5YR 5/6) broken face clay; weak medium subangular blocky, and weak coarse prismatic structure; very firm; 0.5 very fine tubular and 0.5 fine tubular pores; 12 percent distinct pressure faces and 35 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; 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Bt2—457 to 610 centimeters (179.9 to 240.2 inches); yellowish brown (10YR 5/4) broken face clay; weak coarse subangular blocky, and weak coarse prismatic structure; very firm; 0.5 very fine tubular pores; 12 percent prominent clay films on vertical 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; 2 percent fine distinct cylindrical weakly coherent cemented light gray (10YR 7/1), moist, carbonate masses with sharp boundaries throughout; 4 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Btk1—610 to 671 centimeters (240.2 to 264.2 inches); yellowish brown (10YR 5/4) broken face silty clay; moderate thick platy structure; very firm; 0.5 very fine tubular pores; 12 percent distinct clay films on surfaces along pores; 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 6/1), moist, iron depletions with clear boundaries in matrix; 3 percent fine distinct cylindrical weakly coherent cemented light gray (10YR 7/1), moist, carbonate masses with sharp boundaries throughout; 4 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    3Btk2—671 to 701 centimeters (264.2 to 276.0 inches); yellowish brown (10YR 5/4) broken face silty clay; 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 yellowish brown (10YR 5/6), 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; 3 percent fine distinct cylindrical weakly coherent cemented light gray (10YR 7/1), moist, carbonate masses with sharp boundaries throughout; 3 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    3Bw—701 to 716 centimeters (276.0 to 281.9 inches); dark yellowish brown (10YR 3/4) broken face silty clay loam; weak medium subangular blocky structure; very firm; 0.5 fine tubular pores; 3 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/4), 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; 2 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    3Bt—716 to 762 centimeters (281.9 to 300.0 inches); yellowish brown (10YR 5/4) broken face silty clay; weak coarse prismatic structure; very firm; 0.5 fine tubular pores; 12 percent faint 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 gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; 3 percent fine distinct cylindrical weakly coherent cemented light gray (10YR 7/1), moist, carbonate masses with sharp boundaries throughout; 3 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3C—762 to 914 centimeters (300.0 to 359.8 inches); yellowish brown (10YR 5/6) broken face silty clay; massive, and weak thick platy; very firm; 0.5 fine tubular pores; 12 percent faint clay films on vertical faces of peds; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent fine prominent cylindrical weakly coherent cemented light gray (10YR 7/1), moist, carbonate masses with sharp boundaries throughout; 4 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4C—914 to 1067 centimeters (359.8 to 420.1 inches); yellowish brown (10YR 5/4) broken face silty clay loam; massive; very firm; 0.5 fine tubular pores; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    4Ck—1067 to 1204 centimeters (420.1 to 474.0 inches); yellowish brown (10YR 5/6) broken face silty clay; massive; very firm; 0.5 fine tubular pores; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 6 percent fine prominent cylindrical weakly coherent cemented light gray (10YR 7/1), moist, carbonate masses with sharp boundaries throughout; 1 percent by volume nonflat subrounded indurated 5-?-20 millimeter chert fragments and 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    4C—1204 to 1219 centimeters (474.0 to 479.9 inches); light olive brown (2.5Y 5/4) broken face loamy sand; massive; 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 black (10YR 2/1), 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; 3 percent fine prominent cylindrical weakly coherent cemented light gray (10YR 7/1), moist, carbonate masses with sharp boundaries throughout; 4 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n.; observed in push tube