IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTER
  • OSD
  • Series Extent
  • User Site ID: 2005MO219059
  • User Pedon ID: 2005MO219059
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0521959
  • NCSS Pedon Lab Data NASIS Record ID - 30344
  • Print Date: 6/2/2024
  • 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: 38.8963889
  • Std. Longitude: -91.2644444
  • Datum: WGS84
  • Township: T48N
  • Range: R3W
  • Section: 28
  • PLSS Details: 87 feet East and 2,563 feet North from the South West corner
  • Country: US—United States
  • State: Missouri
  • County: MO219—Warren
  • 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, David Dowdy, Greg Caldwell
  • Current Taxonomic Class: Fine-silty, smectitic, mesic Aquollic Hapludalfs
  • Current Taxon Kind: family
  • Pedon Type: within range of map unit
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 59
  • Sampled As Information:
  • Soil Name - ARMSTER
  • Taxonomic Class - Fine-silty, smectitic, mesic Aquollic Hapludalfs
  • PSC - 38 to 89 cm.
  • Classificaton Date - 4/5/2005
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: till plain
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • 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: 4/5/2005 (actual site observation date)
  • Air Photo ID: 38091h3se
  • 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: landslip erosion highly deformed
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—38

    38—196

    —38—

    —158—

    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

    244.4

    306

    Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) rubbed silt loam; weak fine subangular blocky structure; friable; 10.0 very fine roots and 10.0 fine roots; 10.0 fine pores; fragments; clear smooth boundary. Lab sample # MU027219; observed in push tube
    EB—13 to 38 centimeters (5.1 to 15.0 inches); brown (10YR 4/3) broken face silt loam; weak medium subangular blocky, and weak medium platy structure; friable; 10.0 fine roots; 10.0 fine pores; 20 percent distinct light brownish gray (10YR 6/2), moist, skeletans; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU027220; observed in push tube
    Btg—38 to 64 centimeters (15.0 to 25.2 inches); 50 percent dark grayish brown (10YR 4/2) broken face and 50 percent brown (10YR 4/3) broken face silty clay loam; moderate fine subangular blocky structure; firm; 3.0 fine roots; 10.0 fine pores; 10 percent prominent light brownish gray (10YR 6/2), moist, silt coats and 40 percent distinct very dark grayish brown (10YR 3/2), moist, clay films; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU027221; observed in push tube
    Bt—64 to 102 centimeters (25.2 to 40.2 inches); 60 percent dark yellowish brown (10YR 4/6) broken face and 40 percent brown (10YR 4/3) broken face clay loam; moderate medium subangular blocky structure; firm; 0.5 fine roots; 10.0 fine pores; 6 percent distinct brown (7.5YR 4/4), moist, clay films; 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 black (10YR 2/1), 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; 1 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary. Lab sample # MU027222; observed in push tube
    2Btb—102 to 145 centimeters (40.2 to 57.1 inches); brown (10YR 4/3) broken face clay; moderate fine subangular blocky structure; firm; 0.5 fine roots; 3.0 fine pores; 2 percent faint dark yellowish brown (10YR 4/4), moist, clay films and 10 percent prominent light brownish gray (10YR 6/2), moist, skeletans and 32 percent distinct very dark grayish brown (10YR 3/2), moist, clay films; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 4/6), moist, and strong brown (7.5YR 5/6), 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 subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary. Lab sample # MU027223; observed in push tube
    2Btgb—145 to 196 centimeters (57.1 to 77.2 inches); grayish brown (2.5Y 5/2) broken face clay; weak medium subangular blocky structure; very firm; 0.5 very fine pores; 20 percent distinct pressure faces and 25 percent distinct clay films; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary. Lab sample # MU027224; observed in push tube
    2Bkb1—196 to 282 centimeters (77.2 to 111.0 inches); yellowish brown (10YR 5/6) broken face clay loam; weak fine and medium subangular blocky structure; firm; 8 percent prominent brown (10YR 4/3), moist, clay films and 18 percent ; 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 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; 5 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; clear smooth boundary. Lab sample # MU027225; observed in push tube
    2Bkb2—282 to 363 centimeters (111.0 to 142.9 inches); strong brown (7.5YR 5/8) broken face loam; weak fine subangular blocky structure; very firm; 6 percent prominent dark yellowish brown (10YR 4/4), moist, clay films and 10 percent ; 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 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; 8 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; gradual smooth boundary.; observed in push tube
    2Bkb3—363 to 444 centimeters (142.9 to 174.8 inches); yellowish brown (10YR 5/6) broken face loam; very firm; 7 percent prominent brown (7.5YR 4/4), moist, clay films and 10 percent ; 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 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; 1 percent by volume nonflat subrounded indurated 20-?-75 millimeter mixed fragments and 10 percent by volume nonflat subrounded indurated 2-?-5 millimeter mixed fragments; gradual smooth boundary.; observed in push tube
    3B—444 to 444 centimeters (174.8 to 174.8 inches); fragments.; observed in push tube