IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO007004
  • User Pedon ID: 2005MO007004
  • Transect:
  • User Transect ID - MexPut-27
  • Transect Stop Number - 10
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0500704
  • NCSS Pedon Lab Data NASIS Record ID - 25817
  • Print Date: 2/17/2025

    • 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: 39.2761667
  • Std. Longitude: -91.6086944
  • Datum: WGS84
  • Township: T52N
  • Range: R6W
  • Section: 20
  • PLSS Details: 250 feet East and 1,433 feet South from the North West corner
  • Country: US—United States
  • State: Missouri
  • County: MO007—Audrain
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO007—Audrain County, Missouri
  • 7.5 Minute USGS Quad: 39091-C5—Farber, Missouri

    • PEDON

  • Describers Name: Teresa Gerber, Ralph Tucker
  • Current Taxonomic Class: Fine, smectitic, mesic 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 #: 4
  • Correlated Information:
  • Soil Name - MEXICO
  • PSC - 15 to 66 cm.
  • Classificaton Date - 2/1/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - MEXICO
  • Classificaton Date - 11/17/2005
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty and clayey loess derived from mixed over silty and clayey pedisediment derived from igneous, metamorphic and sedimentary rock
  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Runoff: very high
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/2005 (actual site observation date)
  • Air Photo ID: 39091c5sw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion sheet
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    reduced matrix

    lithologic discontinuity

    0—15

    15—203

    15—203

    46—

    —15—

    —188—

    —188—

    —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

    —

    —

    231.3

    —

    160

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); very dark grayish brown (10YR 3/2) broken face, grayish brown (10YR 5/2) broken face, dry; silt loam; moderate fine and medium subangular blocky 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; abrupt smooth boundary. Lab sample # MU005142; observed in push tube
    Btg1—15 to 23 centimeters (5.9 to 9.1 inches); dark grayish brown (10YR 4/2) broken face silty clay loam; strong fine and medium subangular blocky 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; 5 percent faint dark grayish brown (10YR 4/2), moist, 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 red (2.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    Btg2—23 to 46 centimeters (9.1 to 18.1 inches); gray (10YR 5/1) broken face silty clay; moderate fine and medium subangular blocky, and moderate fine and medium prismatic structure; firm; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 35 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    2Btg3—46 to 74 centimeters (18.1 to 29.1 inches); dark gray (10YR 4/1) broken face silty clay loam; strong fine angular blocky, and strong medium and coarse prismatic structure; firm; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 70 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; fragments; clear smooth boundary.; observed in push tube
    2Btg4—74 to 107 centimeters (29.1 to 42.1 inches); gray (10YR 5/1) broken face silty clay loam; moderate fine and medium subangular blocky, and strong medium and coarse prismatic structure; firm; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 70 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented reddish yellow (7.5YR 6/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in push tube
    2Btg5—107 to 150 centimeters (42.1 to 59.1 inches); gray (10YR 5/1) broken face silty clay loam; strong coarse prismatic structure; very firm; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 70 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in push tube
    2Btg6—150 to 203 centimeters (59.1 to 79.9 inches); gray (10YR 6/1) broken face silty clay; strong coarse prismatic structure; very firm; 70 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/6), 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.; observed in push tube