IDENTIFIERS

  • Current Taxon Name (Soil Name): Mexico
  • OSD
  • Series Extent
  • User Site ID: 2005MO113054
  • User Pedon ID: 2005MO113054
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0511354
  • NCSS Pedon Lab Data NASIS Record ID - 30885
  • Print Date: 5/20/2024

    • 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: 38.9961128
  • Std. Longitude: -91.1774979
  • Datum: WGS84
  • Township: T49N
  • Range: R2W
  • Section: 19
  • PLSS Details: 2,560 feet West and 1,677 feet North from the South East corner
  • Map Unit: 35B—Mexico silt loam, 1 to 5 percent slopes
  • Country: US—United States
  • State: Missouri
  • County: MO113—Lincoln
  • MLRA: 115—Central Mississippi Valley Wooded Slopes
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: MO113—Lincoln County, Missouri
  • 7.5 Minute USGS Quad: 38091-H2—Hawk Point, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, David Dowdy, John Horton, Greg Caldwell
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • Current Taxon Kind: family
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 54
  • Sampled As Information:
  • Soil Name - Mexico
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 25 to 76 cm.
  • Classificaton Date - 4/27/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture SUBClass - aeric
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: fine-silty loess derived from mixed
  • Landscape: till plain
  • Landform: divide
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Cheltenham Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/27/2005 (actual site observation date)
  • Air Photo ID: 38091h2ne
  • 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
  • Yield Study ID -
  • Site Erosion Accelerated: landslip erosion highly deformed
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—25

    25—340

    23—25—27

    313—315—317
    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

    —

    —

    218.8

    —

    311

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); dark gray (10YR 4/1) broken face silt loam; weak fine subangular blocky structure; friable; 10.0 very fine roots and 10.0 fine roots; 10.0 very fine vesicular and 10.0 fine vesicular pores; fragments; clear smooth boundary. Lab sample # MU026622; observed in push tube
    Btg—25 to 48 centimeters (9.8 to 18.9 inches); dark grayish brown (10YR 4/2) broken face silty clay; weak fine subangular blocky structure; firm; 10.0 very fine vesicular and 10.0 fine vesicular pores; 35 percent distinct clay films; 1 percent fine faint grayish brown (10YR 5/2), moist, iron depletions and 30 percent fine prominent yellowish red (5YR 4/6), moist, masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU026623; observed in push tube
    Bt—48 to 74 centimeters (18.9 to 29.1 inches); brown (10YR 4/3) broken face silty clay; weak fine subangular blocky structure; firm; 10.0 very fine vesicular and 10.0 fine vesicular pores; 5 percent distinct clay films; 1 percent fine distinct brown (7.5YR 4/4), moist, masses of oxidized iron and 1 percent fine prominent strong brown (7.5YR 5/6), moist, masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU026624; observed in push tube
    2Btg1—74 to 152 centimeters (29.1 to 59.8 inches); 55 percent gray (10YR 5/1) broken face and 45 percent brown (10YR 5/3) broken face silty clay loam; weak fine subangular blocky structure; firm; 5 percent distinct clay films and 15 percent faint gray (10YR 6/1), moist, skeletans; 1 percent fine prominent black (10YR 2/1), moist, manganese masses and 2 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU026625; observed in push tube
    2Btg2—152 to 208 centimeters (59.8 to 81.9 inches); 50 percent gray (10YR 5/1) broken face and 50 percent brown (10YR 5/3) broken face silty clay loam; weak fine subangular blocky, and weak thin platy structure; firm; 10 percent distinct clay films and 15 percent distinct light brownish gray (10YR 6/2), moist, skeletans; 2 percent coarse prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; abrupt smooth boundary. Lab sample # MU026626; observed in push tube
    3Btgb—208 to 340 centimeters (81.9 to 133.9 inches); grayish brown (10YR 5/2) broken face clay; moderate medium angular blocky, and strong coarse prismatic structure; very firm; 40 percent distinct clay films and 60 percent distinct pressure faces; 12 percent coarse prominent red (2.5YR 4/8), moist, masses of oxidized iron and 12 percent fine prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n. Lab sample # MU64787; observed in push tube
    3C—340 to 538 centimeters (133.9 to 211.8 inches); dark yellowish brown (10YR 4/6) broken face clay loam; massive; very firm; 1 percent fine faint yellowish brown (10YR 5/6), moist, masses of oxidized iron and 1 percent fine prominent light gray (10YR 7/1), moist, iron depletions and 12 percent medium prominent gray (10YR 6/1), moist, iron depletions and 75 percent fine prominent black (10YR 2/1), moist, manganese coatings; 1 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments. Lab sample # MU64788; observed in push tube
    3Ck1—538 to 625 centimeters (211.8 to 246.1 inches); yellowish brown (10YR 5/4) broken face gravelly clay loam; massive; firm; 20 percent distinct clay films; 10 percent medium prominent strong brown (7.5YR 5/8), moist, masses of oxidized iron and 10 percent medium prominent gray (10YR 6/1), moist, iron depletions and 70 percent fine prominent black (10YR 2/1), moist, manganese coatings; 15 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n. Lab sample # MU64789; observed in push tube
    3Ck2—625 to 914 centimeters (246.1 to 359.8 inches); yellowish brown (10YR 5/6) broken face silty clay loam; massive; very firm; 1 percent fine distinct yellowish brown (10YR 5/8), moist, masses of oxidized iron and 70 percent fine prominent black (10YR 2/1), moist, manganese coatings; 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n. Lab sample # MU64790; observed in push tube
    3Ck3—914 to 1234 centimeters (359.8 to 485.8 inches); yellowish brown (10YR 5/4) broken face clay loam; massive; very firm; 1 percent fine distinct yellowish brown (10YR 5/8), moist, masses of oxidized iron and 70 percent fine prominent black (10YR 2/1), moist, manganese coatings; 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n. Lab sample # MU64791; observed in push tube
    4Bt—1234 to 1356 centimeters (485.8 to 533.9 inches); dark reddish brown (2.5YR 3/4) broken face very gravelly clay; moderate fine and medium angular blocky structure; very firm; 25 percent distinct and 30 percent distinct pressure faces; 3 percent fine prominent black (10YR 2/1), moist, manganese coatings; 45 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; noneffervescent, by hcl, 1n. Lab sample # MU64792; observed in push tube