IDENTIFIERS

  • Current Taxon Name (Soil Name): Mexico
  • OSD
  • Series Extent
  • User Site ID: 2004MO139050
  • User Pedon ID: 2004MO139050
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0413950
  • NCSS Pedon Lab Data NASIS Record ID - 30454
  • 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: 38.8963528
  • Std. Longitude: -91.4435917
  • Datum: WGS84
  • Township: T48N
  • Range: R5W
  • Section: 26
  • PLSS Details: 2520 feet east and 2140 feet north of the southwest corner
  • Location Description: Junction of I-70 north outer road and Hiway WW at old gas station site across from Mayo Clinic
  • 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-H4—New Florence, Missouri

    • PEDON

  • Describers Name: Wyn Kelley, Mike Chalfant, LeAnn Bullard, Greg Caldwell
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Epiaqualfs
  • Current Taxon Kind: family
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: research site
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 50
  • Sampled As Information:
  • Soil Name - Mexico
  • Taxonomic Class - Fine, smectitic, mesic Vertic Epiaqualfs
  • PSC - 71 to 122 cm.
  • Classificaton Date - 12/13/2004
  • Soil Taxonomic Edition - ninth edition
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

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

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/13/2004 (actual site observation date)
  • Air Photo ID: 38091h4sw
  • 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

    mollic epipedon

    albic horizon

    aquic conditions

    abrupt textural change

    argillic horizon

    0—38

    38—71

    38—

    71—

    71—305

    —0—

    —0—

    —0—

    —0—

    —0—
    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

    4

    —

    —

    267.6

    —

    90

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 38 centimeters (0.0 to 15.0 inches); very dark grayish brown (10YR 3/2) interior and yellowish brown (10YR 5/6) interior and strong brown (7.5YR 4/6) interior silty clay loam; friable; 7.0 fine to coarse roots; 7.0 fine tubular pores; fragments; clear smooth boundary. Lab sample # MU026029
    E—38 to 71 centimeters (15.0 to 28.0 inches); light brownish gray (10YR 6/2) interior silt loam; weak fine subangular blocky structure; friable; 7.0 fine roots; 7.0 fine tubular pores; 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; fragments; abrupt smooth boundary. Lab sample # MU026030
    Btg1—71 to 91 centimeters (28.0 to 35.8 inches); grayish brown (10YR 5/2) interior silty clay; moderate medium prismatic structure; firm; 0.9 fine roots; 0.9 fine tubular pores; 30 percent distinct clay films on all faces of peds and 30 percent distinct gray (10YR 6/1), moist, silt coats; 1 percent medium faint irregular noncoherent cemented 2.5Y 4/6 (2.5Y 4/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026031
    2Btg2—91 to 183 centimeters (35.8 to 72.0 inches); gray (10YR 5/1) interior silty clay loam; weak medium subangular blocky structure; firm; 30 percent faint gray (10YR 6/1), moist, silt coats; 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 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent; clear smooth boundary. Lab sample # MU026032
    2Btg3—183 to 244 centimeters (72.0 to 96.1 inches); gray (2.5Y 6/1) interior silty clay loam; weak medium prismatic structure; firm; 30 percent distinct clay bridges 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; 1 percent by volume 2-?-5 millimeter chert fragments; noneffervescent; clear smooth boundary. Lab sample # MU026033
    2Btg4—244 to 305 centimeters (96.1 to 120.1 inches); gray (2.5Y 6/1) interior silty clay loam; weak medium prismatic structure; firm; 30 percent distinct 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; 1 percent by volume 2-?-5 millimeter chert fragments; noneffervescent; gradual smooth boundary.
    2CBssg—305 to 488 centimeters (120.1 to 192.1 inches); gray (2.5Y 6/1) interior silty clay; weak coarse prismatic structure; firm; 60 percent distinct slickensides (pedogenic); 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume 2-?-5 millimeter chert fragments; noneffervescent; clear smooth boundary.
    3Bwb1—488 to 610 centimeters (192.1 to 240.2 inches); 70 percent yellowish brown (10YR 5/6) interior and 30 percent gray (2.5Y 6/1) interior clay loam; weak medium prismatic structure; firm; 5 percent distinct clay films; 1 percent by volume 2-?-5 millimeter chert fragments; noneffervescent; clear smooth boundary. discontinuous - phpvsfiid 886400; discontinuous - phpvsfiid 886400
    3Bwb2—610 to 701 centimeters (240.2 to 276.0 inches); 60 percent yellowish brown (10YR 5/6) interior and 40 percent gray (2.5Y 6/1) interior clay loam; weak fine and medium subangular blocky structure; firm; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 2 percent by volume 2-?-5 millimeter chert fragments; noneffervescent; clear smooth boundary.
    3Cd—701 to 1036 centimeters (276.0 to 407.9 inches); 50 percent yellowish brown (10YR 5/6) interior and 50 percent gray (2.5Y 6/1) interior silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented 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 iron depletions with clear boundaries in matrix; 1 percent fine carbonate masses throughout; 2 percent by volume 2-?-5 millimeter chert fragments and 3 percent by volume greenstone fragments and 3 percent by volume granite fragments; slight effervescence; gradual smooth boundary.
    4Bwb—1036 to 1128 centimeters (407.9 to 444.1 inches); yellowish brown (10YR 5/6) interior clay loam; weak thick platy structure; very firm; 5 percent faint clay films; 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 5 percent fine carbonate concretions throughout; 2 percent by volume 2-?-5 millimeter chert fragments and 3 percent by volume quartzite fragments and 3 percent by volume coal fragments and 3 percent by volume shale, unspecified fragments; strong effervescence; gradual smooth boundary. patchy - phpvsfiid 886401; patchy - phpvsfiid 886401
    4BCb—1128 to 1219 centimeters (444.1 to 479.9 inches); 70 percent yellowish brown (10YR 5/6) interior and 30 percent gray (2.5Y 6/1) interior clay loam; weak medium platy structure; very firm; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; 2 percent by volume 2-?-5 millimeter chert fragments and 3 percent by volume limestone, unspecified fragments and 3 percent by volume quartzite fragments and 3 percent by volume greenstone fragments; strong effervescence.
    1219 to 1311 centimeters (479.9 to 516.1 inches); fragments.
    4Cd1—1311 to 1372 centimeters (516.1 to 540.2 inches); yellowish brown (10YR 5/6) interior 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 and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 2 percent by volume 2-?-5 millimeter chert fragments and 3 percent by volume limestone, unspecified fragments and 3 percent by volume shale, unspecified fragments; strong effervescence.
    1372 to 1463 centimeters (540.2 to 576.0 inches); fragments.
    4Cd2—1463 to 1935 centimeters (576.0 to 761.8 inches); yellowish brown (10YR 5/6) interior 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; 2 percent by volume 2-?-5 millimeter chert fragments and 3 percent by volume limestone, unspecified fragments and 3 percent by volume shale, unspecified fragments and 3 percent by volume quartzite fragments and 3 percent by volume coal fragments; strong effervescence; gradual smooth boundary. samples for horizon split at 55 and 60 feet
    4C—1935 to 1981 centimeters (761.8 to 779.9 inches); 90 percent yellowish brown (10YR 5/6) interior and 10 percent gray (5Y 6/1) interior clay loam; weak thick platy structure; very firm; 3 percent by volume argillite fragments and 3 percent by volume limestone, unspecified fragments and 3 percent by volume charcoal fragments and 5 percent by volume 2-?-20 millimeter chert fragments; strong effervescence; gradual smooth boundary. similar P.M. larger broke out because of geoplates but similar material/formation and maybe interstial feature
    4Cd—1981 to 2042 centimeters (779.9 to 803.9 inches); yellowish brown (10YR 5/4) interior clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (5Y 6/1), 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 2-?-15 millimeter chert fragments and 3 percent by volume limestone, unspecified fragments and 3 percent by volume igneous, unspecified fragments; strong effervescence.
    2042 to 2347 centimeters (803.9 to 924.0 inches); fragments.
    5Cr—2347 to 2365 centimeters (924.0 to 931.1 inches); fragments.
    2365 to 2365 centimeters (931.1 to 931.1 inches); fragments.