IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2007MO027059
  • User Pedon ID: 2007MO027059
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0702759
  • NCSS Pedon Lab Data NASIS Record ID - 30277
  • 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: 38.9068611
  • Std. Longitude: -91.6495833
  • Datum: WGS84
  • Township: T48N
  • Range: R7W
  • Section: 25
  • PLSS Details: 2,586 feet East and 1,282 feet South from the North 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-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 #: 59
  • 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 sandy and gravelly residuum weathered from conglomerate
  • Landscape: till plain
  • Landform: divide
  • 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: convex
  • Runoff: negligible
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent moderate weathered conglomerate, unspecified at 1300cm 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: 38091h6se
  • 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

    —

    1300 - 1303

    - 3 -

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

    lithic contact

    1300—1303

    —3—
    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

    —

    —

    248.1

    —

    192

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) rubbed silty clay loam; weak very fine subangular blocky structure; friable; 10.0 very fine roots throughout and 0.5 medium roots throughout and 10.0 fine roots throughout; 10.0 very fine tubular and 0.5 medium tubular and 10.0 fine tubular pores; fragments; clear smooth boundary.; observed in push tube
    Btg1—13 to 41 centimeters (5.1 to 16.1 inches); dark grayish brown (10YR 4/2) 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; 70 percent distinct clay films on all faces of peds; 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 brown (7.5YR 4/4), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    Btg2—41 to 84 centimeters (16.1 to 33.1 inches); grayish brown (10YR 5/2) broken face silty clay loam; moderate fine subangular blocky, and weak medium prismatic 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; 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; abrupt smooth boundary.; observed in push tube
    2Btb—84 to 122 centimeters (33.1 to 48.0 inches); dark yellowish brown (10YR 4/4) broken face silty clay loam; moderate fine subangular blocky, and weak medium prismatic structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 12 percent distinct clay films on all faces of peds and 35 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds; 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; abrupt smooth boundary.; observed in push tube
    2Btxb—122 to 168 centimeters (48.0 to 66.1 inches); dark yellowish brown (10YR 4/4) broken face silty clay loam; moderate fine subangular blocky, and moderate medium subangular blocky, and weak medium prismatic structure; very firm; 12 percent distinct clay films on all faces of peds and 35 percent distinct light gray (10YR 7/1), moist, silt coats on all faces of peds; 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; clear smooth boundary.; observed in push tube
    3Btgb—168 to 244 centimeters (66.1 to 96.1 inches); gray (2.5Y 6/1) broken face silty clay; moderate fine subangular blocky, and moderate medium subangular blocky, and weak coarse prismatic structure; very firm; 12 percent distinct pressure faces on all faces of peds and 35 percent prominent clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 4 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in push tube
    3Bkb—244 to 335 centimeters (96.1 to 131.9 inches); yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky, and weak coarse prismatic structure; 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 light brownish gray (2.5Y 6/2), moist, iron depletions with clear boundaries in matrix; 4 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with clear boundaries throughout; 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Ckb1—335 to 488 centimeters (131.9 to 192.1 inches); yellowish brown (10YR 5/6) broken face silty clay; moderate thin wedge, and massive; very firm; 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; 5 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with clear boundaries throughout; 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Ckb2—488 to 610 centimeters (192.1 to 240.2 inches); yellowish brown (10YR 5/6) broken face silty clay; moderate thin wedge, and massive; very firm; 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; 2 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with clear boundaries throughout; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Ckb3—610 to 630 centimeters (240.2 to 248.0 inches); dark yellowish brown (10YR 4/6) broken face silty clay; massive, and moderate thin wedge; very firm; 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; 10 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with clear boundaries throughout; 4 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Cb—630 to 823 centimeters (248.0 to 324.0 inches); dark yellowish brown (10YR 4/6) broken face silty clay; weak thin wedge, and massive; very firm; 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 and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with clear boundaries throughout; 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Cdb—823 to 914 centimeters (324.0 to 359.8 inches); yellowish brown (10YR 5/4) broken face silty clay; 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 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; 4 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Cb—914 to 1036 centimeters (359.8 to 407.9 inches); dark yellowish brown (10YR 4/6) broken face silty clay; weak thin wedge, and 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 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 by volume nonflat subangular indurated 5-?-20 millimeter chert fragments and 5 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Cdb—1036 to 1052 centimeters (407.9 to 414.2 inches); yellowish brown (10YR 5/4) broken face silty clay; 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 yellowish brown (10YR 5/6), 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; 1 percent fine prominent cylindrical weakly coherent cemented white (10YR 8/1), moist, carbonate masses with clear boundaries throughout; 3 percent by volume nonflat rounded indurated 5-?-20 millimeter chert fragments and 4 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Cb—1052 to 1158 centimeters (414.2 to 455.9 inches); dark yellowish brown (10YR 4/6) broken face silty clay; moderate thin wedge, and 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 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; 5 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    3Cdb—1158 to 1204 centimeters (455.9 to 474.0 inches); yellowish brown (10YR 5/4) broken face silty clay; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4Cr—1204 to 1300 centimeters (474.0 to 511.8 inches); yellowish brown (10YR 5/4) broken face extremely gravelly clay loam; massive; firm; 60 percent by volume nonflat subangular indurated 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    5R—1300 to 1300 centimeters (511.8 to 511.8 inches); fragments.; observed in push tube