IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO007003
  • User Pedon ID: 2005MO007003
  • Transect:
  • User Transect ID - MexPut-27
  • Transect Stop Number - 8
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0500703
  • NCSS Pedon Lab Data NASIS Record ID - 25816
  • Print Date: 11/23/2024

    • 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: 39.2741667
  • Std. Longitude: -91.6091111
  • Datum: WGS84
  • Township: T52N
  • Range: R6W
  • Section: 20
  • PLSS Details: 142 feet East and 2,165 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: Grant Butler, Keith Knelle, Dennis Meinert
  • 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 #: 3
  • Correlated Information:
  • Soil Name - MEXICO
  • PSC - 23 to 74 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: Holocene Stage clayey loess derived from mixed over silty and clayey pedisediment derived from igneous, metamorphic and sedimentary rock
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • 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

    aquic conditions

    lithologic discontinuity

    0—23

    23—203

    23—203

    23—203

    102—

    —23—

    —180—

    —180—

    —180—

    —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

    1.5

    —

    —

    231.3

    —

    235

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); very dark grayish brown (10YR 3/2) interior, grayish brown (10YR 5/2) interior, dry; silt loam; weak very fine subangular blocky, and weak fine subangular blocky structure; friable; 10.0 very fine roots throughout and 10.0 fine roots throughout; 3.0 very fine tubular pores; fragments; clear wavy boundary. Lab sample # MU005133; observed in push tube
    Ap2—10 to 23 centimeters (3.9 to 9.1 inches); very dark grayish brown (10YR 3/2) interior silt loam; weak very fine subangular blocky, and weak fine subangular blocky, and weak fine platy structure; friable; 10.0 very fine roots throughout and 3.0 fine roots throughout; 10.0 very fine tubular pores; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; clear wavy boundary. Lab sample # MU005134; observed in push tube
    Btg1—23 to 33 centimeters (9.1 to 13.0 inches); 70 percent dark grayish brown (10YR 4/2) interior and 30 percent grayish brown (10YR 5/2) interior silt loam; weak fine platy, and weak fine subangular blocky, and weak medium platy structure; firm; 3.0 very fine roots throughout; 10.0 very 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; fragments; abrupt smooth boundary.; observed in push tube
    Btg2—33 to 51 centimeters (13.0 to 20.1 inches); dark grayish brown (10YR 4/2) interior silty clay; moderate fine prismatic, and moderate fine subangular blocky, and moderate medium prismatic structure; firm; 3.0 very fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 35 percent distinct grayish brown (10YR 5/2), moist, silt coats on all faces of peds and 70 percent faint dark grayish brown (10YR 4/2), moist, 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 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; gradual wavy boundary.; observed in push tube
    Btg3—51 to 74 centimeters (20.1 to 29.1 inches); 50 percent grayish brown (10YR 5/2) interior and 50 percent light brownish gray (10YR 6/2) interior silty clay; moderate fine subangular blocky, and moderate fine prismatic, and moderate medium prismatic structure; firm; 3.0 very fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 12 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on vertical faces of peds and 70 percent faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 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 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; fragments; gradual wavy boundary.; observed in push tube
    Btg4—74 to 102 centimeters (29.1 to 40.2 inches); 60 percent light brownish gray (10YR 6/2) interior and 40 percent grayish brown (10YR 5/2) interior silty clay loam; moderate fine subangular blocky, and moderate medium prismatic structure; firm; 3.0 very fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 12 percent distinct very dark grayish brown (10YR 3/2), moist, organic stains on vertical faces of peds and 70 percent faint grayish brown (10YR 5/2), moist, 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 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 and 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; clear wavy boundary.; observed in push tube
    2Btg5—102 to 114 centimeters (40.2 to 44.9 inches); 70 percent grayish brown (10YR 5/2) interior and 30 percent light brownish gray (10YR 6/2) interior silty clay loam; weak medium subangular blocky, and weak fine subangular blocky, and weak medium prismatic structure; firm; 3.0 very fine roots throughout; 3.0 very fine tubular and 3.0 fine tubular pores; 35 percent faint grayish brown (10YR 5/2), moist, clay films on all faces of peds; 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; fragments; gradual wavy boundary.; observed in push tube
    2Btg6—114 to 150 centimeters (44.9 to 59.1 inches); 60 percent light brownish gray (10YR 6/2) interior and 40 percent grayish brown (10YR 5/2) interior silty clay loam; weak medium prismatic, and weak coarse prismatic structure; firm; 3.0 very fine tubular and 3.0 fine tubular pores; 35 percent faint grayish brown (10YR 5/2), moist, 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 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; gradual wavy boundary.; observed in push tube
    2Btg7—150 to 203 centimeters (59.1 to 79.9 inches); 70 percent light brownish gray (10YR 6/2) interior and 30 percent grayish brown (10YR 5/2) interior silty clay loam; weak medium prismatic, and weak coarse prismatic structure; firm; 3.0 very fine tubular and 3.0 fine tubular pores; 35 percent faint grayish brown (10YR 5/2), moist, 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 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; gradual wavy boundary.; observed in push tube