IDENTIFIERS

  • Current Taxon Name (Soil Name): MEXICO
  • OSD
  • Series Extent
  • User Site ID: 2005MO139054
  • User Pedon ID: 2005MO139054
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0513954
  • NCSS Pedon Lab Data NASIS Record ID - 30374
  • 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: 38.9716667
  • Std. Longitude: -91.2788889
  • Datum: WGS84
  • Township: T49N
  • Range: R3W
  • Section: 32
  • PLSS Details: 1,360 feet East and 2,443 feet South from the North West corner
  • Location Description: Roadside next to farm ground
  • 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-H3—Bellflower South, Missouri

    • PEDON

  • Describers Name: Mike Chalfant, LeAnn Bullard, Keith Knelle, Greg Caldwell
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Argiudolls
  • Current Taxon Kind: family
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 54
  • Sampled As Information:
  • Soil Name - MEXICO
  • Taxonomic Class - Fine, smectitic, mesic Vertic Argiudolls
  • PSC - 25 to 76 cm.
  • Classificaton Date - 4/14/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: till plain
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/14/2005 (actual site observation date)
  • Air Photo ID: 38091h3ne
  • 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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—25

    25—401

    —25—

    —376—
    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

    —

    —

    228.6

    —

    56

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; weak fine granular structure; friable; 3.0 medium roots and 10.0 fine roots; 10.0 fine pores; fragments; clear smooth boundary. Lab sample # MU026720; observed in push tube
    Bt1—25 to 53 centimeters (9.8 to 20.9 inches); brown (10YR 4/3) broken face clay; weak fine subangular blocky structure; firm; 0.5 medium roots and 10.0 fine roots; 10.0 fine pores; 3 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 5 percent faint dark yellowish brown (10YR 4/4), 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; fragments; clear smooth boundary. Lab sample # MU026721; observed in push tube
    Bt2—53 to 102 centimeters (20.9 to 40.2 inches); 60 percent dark yellowish brown (10YR 4/4) broken face and 40 percent grayish brown (10YR 5/2) broken face silt loam; moderate fine subangular blocky structure; firm; 3.0 fine roots; 10.0 fine pores; 5 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 25 percent distinct very dark grayish brown (10YR 3/2), moist, 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 dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026722; observed in push tube
    Btg1—102 to 130 centimeters (40.2 to 51.2 inches); 50 percent dark yellowish brown (10YR 4/4) broken face and 50 percent grayish brown (10YR 5/2) broken face silt loam; moderate fine subangular blocky structure; firm; 0.5 fine roots; 3.0 fine pores; 10 percent distinct dark yellowish brown (10YR 4/4), moist, 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 strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026723; observed in push tube
    2Btg2—130 to 203 centimeters (51.2 to 79.9 inches); 50 percent dark yellowish brown (10YR 4/4) broken face and 50 percent grayish brown (10YR 5/2) broken face silty clay loam; moderate fine subangular blocky structure; firm; 0.5 fine roots; 3.0 fine interstitial pores; 3 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds and 5 percent distinct gray (2.5Y 6/1), moist, clay films on all faces of peds and 5 percent prominent brownish yellow (10YR 6/8), moist, 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 strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026724; observed in push tube
    2Bt—203 to 234 centimeters (79.9 to 92.1 inches); 30 percent brown (7.5YR 5/4) broken face and 20 percent grayish brown (10YR 5/2) broken face and 50 percent strong brown (7.5YR 5/6) broken face silty clay loam; moderate fine subangular blocky structure; firm; 3.0 fine interstitial pores; 1 percent distinct white (10YR 8/1), moist, silt coats on all faces of peds and 2 percent prominent dark gray (10YR 4/1), moist, 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 4/6), moist, and yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    3Btgb—234 to 259 centimeters (92.1 to 102.0 inches); 50 percent yellowish brown (10YR 5/4) broken face and 50 percent grayish brown (10YR 5/2) broken face silty clay; moderate fine subangular blocky structure; very firm; 0.5 very fine interstitial pores; 6 percent prominent strong brown (7.5YR 5/8), moist, clay films on all faces of peds and 30 percent distinct gray (2.5Y 5/1), moist, 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 5/8), moist, and strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    3Btb—259 to 325 centimeters (102.0 to 128.0 inches); 33 percent strong brown (7.5YR 5/6) broken face and 33 percent gray (2.5Y 5/1) broken face and 34 percent dark yellowish brown (10YR 4/6) broken face silty clay; moderate fine subangular blocky structure; very firm; 20 percent faint strong brown (7.5YR 5/8), moist, clay films on all faces of peds and 40 percent faint gray (2.5Y 5/1), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark reddish brown (5YR 3/3), 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 reddish brown (5YR 4/4), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary.; observed in push tube
    3Btssb—325 to 366 centimeters (128.0 to 144.1 inches); gray (2.5Y 6/1) broken face clay; moderate fine angular blocky, and weak medium prismatic structure; very firm; 20 percent distinct pressure faces and 30 percent ; 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 red (2.5YR 4/6), moist, and red (2.5YR 5/6), 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
    3Btgb—366 to 401 centimeters (144.1 to 157.9 inches); gray (2.5Y 5/1) broken face silty clay; moderate fine angular blocky, and weak medium and coarse prismatic structure; very firm; 1 percent faint slickensides (pedogenic) and 2 percent distinct pressure faces and 30 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 brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat subangular indurated 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in push tube
    4BC—401 to 452 centimeters (157.9 to 178.0 inches); strong brown (7.5YR 5/6) broken face loam; strong thick platy structure; very firm; 10 percent and 25 percent distinct gray (10YR 6/1), moist, skeletans 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 gray (2.5Y 5/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    4C1—452 to 488 centimeters (178.0 to 192.1 inches); pale yellow (2.5Y 7/3) broken face fine sandy loam; massive; friable; 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; 1 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    4C2—488 to 533 centimeters (192.1 to 209.8 inches); 30 percent strong brown (7.5YR 5/6) broken face and 20 percent gray (2.5Y 6/1) broken face and 40 percent yellowish brown (10YR 5/6) broken face silt loam; massive; very friable; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    4C3—533 to 579 centimeters (209.8 to 228.0 inches); 70 percent dark yellowish brown (10YR 4/4) broken face and 30 percent yellowish brown (10YR 5/6) broken face loam; massive; very firm; 5 percent faint dark yellowish brown (10YR 4/4), moist, clay films on surfaces along 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 gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary.; observed in push tube
    4Ck1—579 to 655 centimeters (228.0 to 257.9 inches); dark yellowish brown (10YR 4/4) broken face loam; massive; firm; 18 percent ; 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 (10YR 6/1), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    4Ck2—655 to 686 centimeters (257.9 to 270.1 inches); dark yellowish brown (10YR 4/4) broken face gravelly loam; massive; very firm; 1 percent distinct dark brown (7.5YR 3/3), moist, clay films on all faces of peds and 10 percent ; 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 20 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    4C1—686 to 777 centimeters (270.1 to 305.9 inches); yellowish brown (10YR 5/4) broken face clay loam; massive; very firm; 5 percent ; 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 strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    4Cd1—777 to 991 centimeters (305.9 to 390.2 inches); dark yellowish brown (10YR 4/4) broken face gravelly clay loam; massive; very firm; 3 percent and 20 percent prominent gray (2.5Y 6/1), moist, pressure faces; 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 15 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in push tube
    4Cd2—991 to 1173 centimeters (390.2 to 461.8 inches); 50 percent dark yellowish brown (10YR 4/4) broken face and 50 percent strong brown (7.5YR 4/6) broken face silty clay loam; massive; very firm; 2 percent faint dark yellowish brown (10YR 4/4), moist, clay films on all faces of peds and 30 percent distinct pressure faces; 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 6/1), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; 10 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in push tube
    5C—1173 to 1189 centimeters (461.8 to 468.1 inches); 50 percent light gray (5Y 7/2) broken face and 30 percent pale olive (5Y 6/3) broken face and 10 percent light yellowish brown (10YR 6/4) broken face clay; massive; very firm; fragments; strong effervescence, by hcl, 1n.; observed in push tube