IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2007MO027071
  • User Pedon ID: 2007MO027071
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0702771
  • NCSS Pedon Lab Data NASIS Record ID - 30265
  • 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: 38.8362778
  • Std. Longitude: -91.9979722
  • Datum: WGS84
  • Township: T47N
  • Range: R10W
  • Section: 24
  • PLSS Details: 1,615 feet East and 2,641 feet South from the North West corner
  • Country: US—United States
  • State: Missouri
  • County: MO027—Callaway
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO027—Callaway County, Missouri
  • 7.5 Minute USGS Quad: 38091-G8—Fulton, 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 #: 71
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 10 to 61 cm.
  • Classificaton Date - 3/29/2007
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 3
  • 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: summit
  • 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: Pre-illinoian Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 3/29/2007 (actual site observation date)
  • Air Photo ID: 38091g8nw
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    lithologic discontinuity

    lithologic discontinuity

    lithologic discontinuity

    lithologic discontinuity

    0—10

    10—963

    10—10

    239—239

    536—536

    1064—1064

    —10—

    —953—

    —1—

    —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

    1

    —

    —

    265.8

    —

    45

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3) broken face silt loam; weak very 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; 5 percent by volume nonflat subangular indurated 2-?-75 millimeter mixed fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    2Btg1—10 to 43 centimeters (3.9 to 16.9 inches); light brownish gray (2.5Y 6/2) broken face silty clay loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 10.0 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 strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark red (2.5YR 3/6), 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 # MU028713; observed in push tube
    2Btg2—43 to 183 centimeters (16.9 to 72.0 inches); grayish brown (10YR 5/2) broken face silty clay loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout and 0.5 fine roots throughout; 10.0 very fine tubular and 3.0 fine tubular pores; 12 percent distinct gray (10YR 6/1), moist, silt coats on all faces of peds and 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 strong brown (7.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU028714; observed in push tube
    2Btg3—183 to 239 centimeters (72.0 to 94.1 inches); grayish brown (10YR 5/2) broken face silty clay loam; weak medium subangular blocky structure; firm; 0.5 very fine roots throughout; 10.0 very fine tubular and 0.5 medium tubular and 3.0 fine tubular pores; 12 percent distinct clay films on all faces of peds and 35 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 dark yellowish brown (10YR 4/4), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU028715; observed in push tube
    3Btg4—239 to 376 centimeters (94.1 to 148.0 inches); gray (2.5Y 6/1) broken face silty clay loam; moderate medium subangular blocky structure; very firm; 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 strong brown (7.5YR 4/6), 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; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Btg5—376 to 538 centimeters (148.0 to 211.8 inches); gray (2.5Y 5/1) broken face silty clay; weak medium subangular blocky, and weak coarse prismatic structure; very firm; 0.5 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 brown (10YR 5/6), 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; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    4Btg6—538 to 610 centimeters (211.8 to 240.2 inches); gray (10YR 5/1) broken face clay loam; moderate fine subangular blocky, and moderate medium subangular blocky, and weak coarse prismatic structure; very firm; 0.5 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 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; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    4Btg7—610 to 676 centimeters (240.2 to 266.1 inches); gray (10YR 6/1) 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 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; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    4Btg8—676 to 762 centimeters (266.1 to 300.0 inches); 60 percent grayish brown (2.5Y 5/2) broken face and 40 percent yellowish brown (10YR 5/6) broken face clay loam; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    4Bt—762 to 965 centimeters (300.0 to 379.9 inches); dark yellowish brown (10YR 4/6) broken face clay; weak coarse prismatic structure; very firm; 0.5 very fine tubular pores; 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 gray (10YR 5/1), 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; 1 percent by volume nonflat subangular indurated 5-?-20 millimeter chert fragments and 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4Bw1—965 to 1067 centimeters (379.9 to 420.1 inches); grayish brown (2.5Y 5/2) broken face silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/4), 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; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    5Bw2—1067 to 1219 centimeters (420.1 to 479.9 inches); 60 percent yellowish brown (10YR 5/6) broken face and 40 percent light brownish gray (2.5Y 6/2) broken face silty clay; weak coarse subangular blocky structure; very firm; 0.5 very fine tubular pores; 12 percent faint clay films on vertical 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments and 2 percent by volume nonflat subangular indurated 5-?-20 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    5Bk—1219 to 1402 centimeters (479.9 to 552.0 inches); strong brown (7.5YR 5/6) broken face silty clay; weak coarse subangular blocky structure; very firm; 0.5 very fine tubular pores; 3 percent faint clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented gray (10YR 5/1), 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; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    5C1—1402 to 1422 centimeters (552.0 to 559.8 inches); yellowish brown (10YR 5/4) broken face sandy clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    6C2—1422 to 1433 centimeters (559.8 to 564.2 inches); yellowish brown (10YR 5/4) broken face clay loam; massive; very firm; 0.5 very fine tubular pores; 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 subangular indurated 2-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n.; observed in push tube