IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO113002
  • User Pedon ID: 2005MO113002
  • Transect:
  • User Transect ID - MexPut-16
  • Transect Stop Number - 11
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0511302
  • NCSS Pedon Lab Data NASIS Record ID - 25826
  • 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: 39.1127222
  • Std. Longitude: -91.2435000
  • Datum: WGS84
  • Township: T50N
  • Range: R3W
  • Section: 9
  • PLSS Details: 347 feet West and 371 feet North from the South East corner
  • Country: US—United States
  • State: Missouri
  • County: MO113—Lincoln
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO113—Lincoln County, Missouri
  • 7.5 Minute USGS Quad: 39091-A2—Truxton, Missouri

    • PEDON

  • Describers Name: Keith Knelle, Grant Butler, Dennis Meinert
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 2
  • 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 - 11/3/2005
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Holocene Stage silty and clayey loess derived from mixed over Holocene Stage silty and clayey pedisediment derived from igneous, metamorphic and sedimentary rock over pre-Illinoian Stage clayey till derived from mixed
  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • 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: 11/3/2005 (actual site observation date)
  • Air Photo ID: 39091a2nw
  • 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

    aquic conditions

    argillic horizon

    reduced matrix

    lithologic discontinuity

    0—15

    0—183

    15—183

    15—183

    79—

    —15—

    —183—

    —168—

    —168—

    —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

    —

    —

    216.4

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    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; 100 percent silt; moderate thin platy, and weak fine subangular blocky structure; friable; 3.0 medium roots throughout and 3.0 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular and 0.5 coarse tubular pores; 1 percent medium faint irregular noncoherent cemented dark red (2.5YR 3/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 3/4), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU005207; observed in push tube
    Btg1—15 to 23 centimeters (5.9 to 9.1 inches); 40 percent very dark grayish brown (10YR 3/2) broken face and 60 percent dark grayish brown (10YR 4/2) broken face silt loam; 100 percent silt; weak fine and medium subangular blocky structure; friable; 3.0 fine roots throughout; 10.0 medium tubular and 10.0 fine tubular and 0.5 coarse tubular pores; 2 percent faint very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds and 5 percent distinct grayish brown (10YR 5/2), moist, silt coats on all faces of peds and 5 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/8), 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; clear smooth boundary.; observed in push tube
    Btg2—23 to 38 centimeters (9.1 to 15.0 inches); dark grayish brown (10YR 4/2) broken face silty clay loam; 100 percent silt; moderate fine and medium subangular blocky structure; firm; 0.5 fine roots throughout; 3.0 medium tubular and 3.0 fine tubular pores; 12 percent distinct grayish brown (10YR 5/2), moist, silt coats on all faces of peds and 12 percent faint very dark grayish brown (10YR 3/2), moist, organic stains on all faces of peds and 35 percent faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/8), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in push tube
    Btg3—38 to 64 centimeters (15.0 to 25.2 inches); dark grayish brown (10YR 4/2) broken face silty clay; 100 percent silt; moderate fine subangular blocky, and moderate fine prismatic structure; firm; 0.5 fine roots throughout; 3.0 fine tubular pores; 12 percent prominent very dark gray (10YR 3/1), moist, clay films on all faces of peds and 35 percent distinct dark gray (10YR 4/1), 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 yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary.; observed in push tube
    Btg4—64 to 79 centimeters (25.2 to 31.1 inches); 70 percent dark gray (10YR 4/1) broken face and 30 percent very dark gray (10YR 3/1) broken face silty clay loam; 100 percent silt; moderate medium subangular blocky structure; firm; 0.5 fine roots throughout; 3.0 fine tubular pores; 12 percent prominent dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/8), 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; gradual smooth boundary.; observed in push tube
    2Btg5—79 to 91 centimeters (31.1 to 35.8 inches); 40 percent dark grayish brown (10YR 4/2) broken face and 30 percent brown (10YR 4/3) broken face and 30 percent grayish brown (10YR 5/2) broken face silty clay loam; 100 percent silt; weak medium prismatic structure; firm; 3.0 fine tubular pores; 35 percent distinct very dark gray (10YR 3/1), moist, clay films 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 brown (10YR 5/3), 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; gradual smooth boundary.; observed in push tube
    2Btg6—91 to 117 centimeters (35.8 to 46.1 inches); grayish brown (10YR 5/2) broken face silty clay loam; 100 percent silt; weak medium subangular blocky, and weak medium prismatic structure; very firm; 3.0 fine tubular pores; 35 percent prominent very dark gray (10YR 3/1), moist, 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    2Btg7—117 to 152 centimeters (46.1 to 59.8 inches); gray (10YR 5/1) broken face silty clay loam; 100 percent silt; weak medium subangular blocky, and weak medium prismatic structure; very firm; 3.0 fine tubular pores; 35 percent distinct dark grayish brown (10YR 4/2), 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 yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark brown (7.5YR 3/4), 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
    2Btg8—152 to 183 centimeters (59.8 to 72.0 inches); gray (10YR 5/1) broken face silty clay; 100 percent silt; weak medium subangular blocky, and weak medium prismatic structure; very firm; 3.0 fine tubular pores; 35 percent distinct dark grayish brown (10YR 4/2), 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 yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented dark brown (7.5YR 3/4), 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 dark red (2.5YR 3/6), moist, iron depletions with clear boundaries in matrix; fragments.; observed in push tube