IDENTIFIERS

  • Current Taxon Name (Soil Name): Mexico
  • OSD
  • Series Extent
  • User Site ID: 2005MO113055
  • User Pedon ID: 2005MO113055
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0511355
  • NCSS Pedon Lab Data NASIS Record ID - 30892
  • 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: 38.9833333
  • Std. Longitude: -91.0500000
  • Datum: WGS84
  • Township: T49N
  • Range: R1W
  • Section: 30
  • PLSS Details: 2,988 feet West and 2,581 feet South from the North East corner
  • Location Description: In between Troy and Hawk Point towns, 1 mile north of hwy. 47.
  • Map Unit: 35B—Mexico silt loam, 1 to 5 percent slopes
  • Country: US—United States
  • State: Missouri
  • County: MO113—Lincoln
  • MLRA: 113—Central Claypan Areas
  • Regional Office: NC—North Central
  • Non-MLRA Soil Survey Area: MO113—Lincoln County, Missouri
  • 7.5 Minute USGS Quad: 38091-H1—Warrenton NE, Missouri

    • PEDON

  • Describers Name: LeAnn Bullard, Mike Chalfant, Amber Marshaus
  • Current Taxonomic Class: Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 55
  • Sampled As Information:
  • Soil Name - Mexico
  • Taxonomic Class - Fine, smectitic, mesic Aeric Vertic Epiaqualfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 7/19/2005
  • 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 over clayey till derived from mixed
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Runoff: negligible
  • Drainage Class: excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/19/2005 (actual site observation date)
  • Air Photo ID: 38091h1ne
  • 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
  • Yield Study ID -
  • Site Erosion Accelerated: landslip erosion highly deformed
    • 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

    1.3

    —

    —

    213.4

    —

    36

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 28 centimeters (0.0 to 11.0 inches); fragments; clear smooth boundary. Lab sample # MU64757; observed in pit, small
    E1—28 to 56 centimeters (11.0 to 22.0 inches); yellowish brown (10YR 5/4) crushed silty clay loam; moderate thick platy structure; firm; 10.0 fine roots throughout; 15 percent light brownish gray (10YR 6/2), moist, skeletans; 10 percent strong brown (7.5YR 5/8), moist, masses of oxidized iron and 15 percent black (10YR 2/1), moist, iron-manganese masses; fragments; clear smooth boundary. Lab sample # MU026633; observed in pit, small
    E2—56 to 86 centimeters (22.0 to 33.9 inches); brownish yellow (10YR 6/6) crushed silty clay loam; moderate thick platy structure; firm; 10.0 fine roots throughout; 20 percent light brownish gray (10YR 6/2), moist, skeletans; 5 percent yellowish brown (10YR 5/8), moist, masses of oxidized iron and 10 percent black (10YR 2/1), moist, iron-manganese masses; fragments; clear smooth boundary. Lab sample # MU026634; observed in pit, small
    Bt1—86 to 145 centimeters (33.9 to 57.1 inches); yellowish brown (10YR 5/4) crushed silty clay loam; moderate very fine subangular blocky structure; firm; 30 percent light brownish gray (10YR 6/2), moist, skeletans; 15 percent light brownish gray (10YR 6/2), moist, iron depletions and 15 percent strong brown (7.5YR 5/6), moist, masses of oxidized iron and 30 percent black (10YR 2/1), moist, iron-manganese masses; fragments; clear smooth boundary. Lab sample # MU026635; observed in pit, small
    Bt2—145 to 190 centimeters (57.1 to 74.8 inches); yellowish brown (10YR 5/6) crushed silty clay; massive; firm; 20 percent clay films; 5 percent black (10YR 2/1), moist, iron-manganese masses and 30 percent grayish brown (10YR 5/2), moist, iron depletions and 35 percent yellowish red (5YR 5/6), moist, masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU026636; observed in pit, small
    Bt3—190 to 241 centimeters (74.8 to 94.9 inches); dark yellowish brown (10YR 4/6) crushed silty clay; massive; firm; 10 percent clay films; 2 percent black (10YR 2/1), moist, iron-manganese masses and 5 percent pale brown (10YR 6/3), moist, iron depletions and 10 percent strong brown (7.5YR 5/8), moist, masses of oxidized iron; fragments; clear smooth boundary. Lab sample # MU026637; observed in pit, small
    3Btb1—241 to 409 centimeters (94.9 to 161.0 inches); strong brown (7.5YR 4/6) crushed clay loam; moderate fine subangular blocky structure; firm; 30 percent prominent clay films; 1 percent brown (10YR 5/3), moist, iron depletions and 12 percent black (10YR 2/1), moist, iron-manganese masses around rock fragments and 12 percent black (10YR 2/1), moist, iron-manganese masses on faces of peds; 12 percent by volume flat angular very strongly coherent cemented chert fragments; abrupt smooth boundary. Lab sample # MU64758; observed in pit, small
    3Btb2—409 to 439 centimeters (161.0 to 172.8 inches); strong brown (7.5YR 4/6) crushed clay; moderate fine subangular blocky structure; firm; 40 percent prominent clay films; 5 percent yellowish brown (10YR 5/8), moist, masses of oxidized iron and 15 percent black (10YR 2/1), moist, iron depletions and 15 percent black (10YR 2/1), moist, iron-manganese masses; 12 percent by volume flat angular very strongly coherent cemented chert fragments; abrupt smooth boundary. Lab sample # MU64759; observed in pit, small
    4Bwb1—439 to 457 centimeters (172.8 to 179.9 inches); pale brown (10YR 6/3) crushed silt loam; weak subangular blocky structure; firm; 6 percent clay films; 15 percent black (10YR 2/1), moist, iron-manganese masses; fragments; clear smooth boundary. Lab sample # MU64760; observed in pit, small
    4C—457 to 472 centimeters (179.9 to 185.8 inches); 50 percent brown (7.5YR 4/4) crushed and 50 percent strong brown (7.5YR 4/6) crushed loamy coarse sand; single grain; loose; 10 percent black (10YR 2/1), moist, iron-manganese masses; 5 percent by volume nonflat rounded very strongly coherent cemented 2-?-5 millimeter chert fragments; abrupt smooth boundary. Lab sample # MU64761; observed in pit, small
    5Btb1—472 to 488 centimeters (185.8 to 192.1 inches); brown (7.5YR 4/4) crushed clay; subangular blocky structure; very firm; 40 percent clay films; 25 percent light brown (7.5YR 6/4), moist, masses of oxidized iron and 40 percent black (10YR 2/1), moist, iron-manganese masses; 55 percent by volume nonflat angular very strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU64762; observed in pit, small