IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO139056
  • User Pedon ID: 2005MO139056
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0513956
  • NCSS Pedon Lab Data NASIS Record ID - 30372
  • Print Date: 6/3/2024

    • 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: 38.8716667
  • Std. Longitude: -91.3580556
  • Datum: WGS84
  • Township: T47N
  • Range: R4W
  • Section: 3
  • PLSS Details: 74 feet East and 1,152 feet South from the North West corner
  • Location Description: Between railroad tracks and gravel road.
  • Country: US—United States
  • State: Missouri
  • County: MO139—Montgomery
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: MO603—Montgomery and Warren Counties, Missouri
  • 7.5 Minute USGS Quad: 38091-G3—Jonesburg, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, Wyn Kelley, Bryan Mayhan, Greg Caldwell
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Argialbolls
  • Current Taxon Kind: family
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 56
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Vertic Argialbolls
  • PSC - 48 to 99 cm.
  • Classificaton Date - 4/21/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Landform: hillslope
  • Geomorphic Component Hills: head slope
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Runoff: medium
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/21/2005 (actual site observation date)
  • Air Photo ID: 38091g3nw
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - other
  • Site Obs. Cover Kind 2 - rural transportation
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    abrupt textural change

    —

    48 -

    - 1 -

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

    mollic epipedon

    albic horizon

    argillic horizon

    abrupt textural change

    0—38

    38—48

    48—714

    48—

    —38—

    —10—

    —666—

    —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

    0.4

    —

    —

    267.9

    —

    315

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 38 centimeters (0.0 to 15.0 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; moderate fine subangular blocky structure; friable; 10.0 fine roots; 10.0 fine pores; fragments; clear smooth boundary. Lab sample # MU026756; observed in push tube
    E—38 to 48 centimeters (15.0 to 18.9 inches); grayish brown (10YR 5/2) broken face silty clay loam; weak very fine subangular blocky structure; friable; 3.0 fine roots; 10.0 fine pores; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary. Lab sample # MU026757; observed in push tube
    Btg1—48 to 76 centimeters (18.9 to 29.9 inches); brown (7.5YR 4/2) broken face clay; weak fine angular blocky structure; very firm; 0.5 fine roots; 10.0 fine pores; 40 percent distinct clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # MU026758; observed in push tube
    Btg2—76 to 97 centimeters (29.9 to 38.2 inches); dark grayish brown (10YR 4/2) broken face silty clay; weak fine subangular blocky structure; very firm; 0.5 fine roots; 3.0 fine pores; 40 percent distinct clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # MU026759; observed in push tube
    Btg3—97 to 160 centimeters (38.2 to 63.0 inches); gray (10YR 6/1) broken face silty clay loam; weak fine subangular blocky, and weak medium prismatic structure; firm; 0.5 fine roots; 3.0 fine pores; 40 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 yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026760; observed in push tube
    Btg4—160 to 218 centimeters (63.0 to 85.8 inches); gray (10YR 6/1) broken face silty clay loam; moderate fine subangular blocky, and weak medium prismatic structure; firm; 0.5 fine roots; 10.0 fine pores; 40 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 yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026761; observed in push tube
    Btg5—218 to 259 centimeters (85.8 to 102.0 inches); gray (10YR 5/1) broken face silty clay loam; moderate very fine angular blocky, and weak medium platy structure; firm; 40 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 yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in push tube
    Btg6—259 to 305 centimeters (102.0 to 120.1 inches); gray (7.5YR 5/1) broken face silty clay loam; strong very fine angular blocky, and weak medium prismatic structure; firm; 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 yellowish red (5YR 5/6), moist, and yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in push tube
    2Btg7—305 to 381 centimeters (120.1 to 150.0 inches); gray (7.5YR 5/1) broken face silty clay loam; weak coarse prismatic structure; firm; 15 percent prominent skeletans and 40 percent distinct 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 5/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in push tube
    2Btg8—381 to 457 centimeters (150.0 to 179.9 inches); 50 percent gray (7.5YR 6/1) broken face and 50 percent strong brown (7.5YR 5/8) broken face silty clay; weak fine subangular blocky structure; firm; 10 percent distinct gray (2.5Y 5/1), moist, clay films on all faces of peds and 10 percent distinct pressure faces; 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary.; observed in push tube
    3Bt—457 to 549 centimeters (179.9 to 216.1 inches); 30 percent gray (10YR 6/1) broken face and 70 percent strong brown (7.5YR 5/6) broken face clay loam; weak fine subangular blocky, and strong thick platy structure; firm; 40 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; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in push tube
    3Btg—549 to 610 centimeters (216.1 to 240.2 inches); 60 percent light gray (2.5Y 7/1) broken face and 40 percent brownish yellow (10YR 6/6) broken face clay; weak fine subangular blocky structure; very firm; 40 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in push tube
    3Btk1—610 to 716 centimeters (240.2 to 281.9 inches); 40 percent strong brown (7.5YR 5/8) broken face and 60 percent strong brown (7.5YR 5/6) broken face clay loam; weak fine subangular blocky, and weak thick platy structure; firm; 10 percent prominent skeletans and 20 percent distinct carbonate coats; 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 5/1), 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; gradual smooth boundary.; observed in push tube
    3Bt—716 to 777 centimeters (281.9 to 305.9 inches); strong brown (7.5YR 5/6) broken face clay loam; weak fine subangular blocky, and weak medium platy structure; firm; 10 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n; gradual smooth boundary.; observed in push tube
    3C—777 to 1219 centimeters (305.9 to 479.9 inches); yellowish brown (10YR 5/6) broken face clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 5 percent fine prominent carbonate masses; nonflat subrounded indurated 2-?-5 millimeter granite fragments and nonflat subrounded indurated 2-?-5 millimeter shale, unspecified fragments and 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    3Cd—1219 to 1692 centimeters (479.9 to 666.1 inches); 50 percent yellowish brown (10YR 5/6) broken face and 50 percent yellowish brown (10YR 5/4) broken face clay loam; massive; extremely firm; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; nonflat subrounded indurated 2-?-5 millimeter mixed fragments and nonflat subangular indurated 2-?-5 millimeter limestone, unspecified fragments and 2 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in push tube
    4C—1692 to 1692 centimeters (666.1 to 666.1 inches); fragments.; observed in push tube