IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2007MO027057
  • User Pedon ID: 2007MO027057
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0702757
  • NCSS Pedon Lab Data NASIS Record ID - 30279
  • 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: 38.9185556
  • Std. Longitude: -91.7151944
  • Datum: WGS84
  • Township: T48N
  • Range: R7W
  • Section: 20
  • PLSS Details: 45 feet West and 2,681 feet North from the South East 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-H6—Williamsburg, 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: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 57
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 11/7/2006
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed over clayey till derived from sedimentary rock over clayey residuum weathered from clayey shale
  • Landscape: till plain
  • Landform: plain
  • Anthropogenic Feature: ditch
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: negligible
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: weakly coherent moderate weathered shale, clayey at 1219cm with 45 to <100 and a strike of 0 degrees and a dip of 0 to 0 degrees
  • Geology: Cheltenham Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/7/2006 (actual site observation date)
  • Air Photo ID: 38091h6sw
  • 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 Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    1219 - 1219

    - 1 -

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

    lithic contact

    1219—1219

    —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

    2

    —

    —

    256

    —

    270

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 30 centimeters (0.0 to 11.8 inches); 50 percent very dark grayish brown (10YR 3/2) rubbed and 50 percent dark grayish brown (10YR 4/2) rubbed 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; fragments; clear smooth boundary.; observed in push tube
    Ap2—30 to 46 centimeters (11.8 to 18.1 inches); very dark grayish brown (10YR 3/2) broken face silt loam; weak very fine subangular blocky, and weak fine granular structure; friable; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; fragments; clear smooth boundary. Lab sample # MU028529; observed in push tube
    EB—46 to 51 centimeters (18.1 to 20.1 inches); dark gray (10YR 4/1) broken face silty clay loam; weak very fine subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 fine tubular pores; 12 percent faint very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds; 1 percent medium faint irregular noncoherent cemented red (2.5YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary.; observed in push tube
    Bt—51 to 86 centimeters (20.1 to 33.9 inches); brown (10YR 4/3) broken face silty clay; moderate fine subangular blocky structure; firm; 70 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    Btg1—86 to 122 centimeters (33.9 to 48.0 inches); light brownish gray (2.5Y 6/2) broken face silty clay loam; weak medium subangular blocky, and weak thin platy structure; firm; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU028531; observed in push tube
    2Btgb2—122 to 244 centimeters (48.0 to 96.1 inches); yellowish brown (10YR 5/6) broken face silty clay loam; moderate fine subangular blocky, and moderate medium subangular blocky, and weak thin platy structure; friable; 12 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds and 70 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 gray (10YR 5/1), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary. Lab sample # MU028532; observed in push tube
    3Btgb3—244 to 305 centimeters (96.1 to 120.1 inches); 60 percent gray (10YR 5/1) broken face and 40 percent yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky, and weak thick platy, and weak medium prismatic structure; firm; 12 percent distinct light gray (10YR 7/1), 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; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in push tube
    4Btssgb—305 to 579 centimeters (120.1 to 228.0 inches); 80 percent 10Y 6/0 (10Y 6/0) broken face and 20 percent yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky, and moderate medium subangular blocky, and weak fine prismatic structure; very firm; 12 percent distinct pressure faces and 35 percent distinct clay films on all faces of peds and 35 percent prominent slickensides (pedogenic); 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; clear smooth boundary.; observed in push tube
    4Btb1—579 to 640 centimeters (228.0 to 252.0 inches); yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky, and weak coarse prismatic structure; very firm; 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 10Y 6/0 (10Y 6/0), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in push tube
    4Btb2—640 to 732 centimeters (252.0 to 288.2 inches); 50 percent gray (2.5Y 6/1) broken face and 50 percent yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky, and weak coarse prismatic structure; very firm; 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; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments and 3 percent by volume nonflat subangular indurated 5-?-20 millimeter chert fragments; abrupt smooth boundary.; observed in push tube
    4BC—732 to 884 centimeters (288.2 to 348.0 inches); yellowish brown (10YR 5/6) broken face silty clay; massive; firm; 3 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented light brownish gray (2.5Y 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; 3 percent by volume nonflat subrounded indurated 5-?-20 millimeter chert fragments and 4 percent by volume nonflat subrounded indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4Cd—884 to 1036 centimeters (348.0 to 407.9 inches); yellowish brown (10YR 5/6) broken face silty clay; massive; very firm; 3 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 light brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    5Cr—1036 to 1219 centimeters (407.9 to 479.9 inches); 20 percent pale red (10R 6/4) broken face and 50 percent yellow (10YR 7/6) broken face and 10 percent pale yellow (5Y 8/2) broken face and 20 percent dusky red (10R 3/3) broken face clay; massive; very firm; fragments.; observed in push tube