IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2007MO027069
  • User Pedon ID: 2007MO027069
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0702769
  • NCSS Pedon Lab Data NASIS Record ID - 30267
  • Print Date: 6/2/2024

    • 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: 38.7763056
  • Std. Longitude: -91.6495000
  • Datum: WGS84
  • Township: T46N
  • Range: R7W
  • Section: 1
  • PLSS Details: 1,315 feet West and 119 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 #: 69
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 3/27/2007
  • 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: divide
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • 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: 3/27/2007 (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 gully
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    lithologic discontinuity

    lithologic discontinuity

    168—168

    498—498

    —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

    0.5

    —

    —

    273.7

    —

    315

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    ABp—0 to 137 centimeters (0.0 to 53.9 inches); fragments; gradual smooth boundary.; observed in push tube
    Bt—137 to 168 centimeters (53.9 to 66.1 inches); yellowish brown (10YR 5/6) broken face silty clay; moderate fine subangular blocky structure; firm; 0.5 fine roots throughout; 0.5 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 grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU028690; observed in push tube
    2Btb1—168 to 203 centimeters (66.1 to 79.9 inches); light olive brown (2.5Y 5/3) broken face silty clay; moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 0.5 fine tubular pores; 35 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 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 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 # MU028691; observed in push tube
    2Btb2—203 to 290 centimeters (79.9 to 114.2 inches); light brownish gray (2.5Y 6/2) broken face silty clay; moderate fine angular blocky, and moderate coarse prismatic structure; firm; 35 percent prominent pressure faces 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; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    2Btssb—290 to 498 centimeters (114.2 to 196.1 inches); olive gray (5Y 5/2) broken face silty clay loam; moderate medium angular blocky, and moderate medium prismatic structure; firm; 3 percent distinct slickensides (pedogenic) on all faces of peds and 35 percent prominent clay films on all faces of peds and 35 percent prominent pressure faces 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; clear smooth boundary.; observed in push tube
    3Btb1—498 to 610 centimeters (196.1 to 240.2 inches); yellowish brown (10YR 5/8) broken face clay; weak coarse subangular blocky structure; firm; 12 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 subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in push tube
    3Btb2—610 to 762 centimeters (240.2 to 300.0 inches); strong brown (7.5YR 5/8) broken face clay loam; moderate fine subangular blocky, and moderate medium subangular blocky structure; firm; 12 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented light olive gray (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 by volume nonflat subangular indurated 5-?-20 millimeter chert fragments; noneffervescent, by hcl, 1n.; observed in push tube