IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTER
  • OSD
  • Series Extent
  • User Site ID: 2005MO139065
  • User Pedon ID: 2005MO139065
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0513965
  • NCSS Pedon Lab Data NASIS Record ID - 30363
  • Print Date: 9/24/2024

    • 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: -91.2833333
  • Datum: WGS84
  • Township: T49N
  • Range: R4W
  • Section: 24
  • PLSS Details: 16 feet West and 620 feet South from the South East corner
  • Location Description: Wells site
  • 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: LeAnn Bullard, Mike Chalfant, Amber Marshaus
  • Current Taxonomic Class: Fine, smectitic, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 65
  • Sampled As Information:
  • Soil Name - ARMSTER
  • Taxonomic Class - Fine, smectitic, mesic Mollic Hapludalfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 7/14/2005
  • 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

  • Parent Material: fine-silty loess derived from mixed over clayey till derived from aa lava
  • Landscape: till plain
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: concave
  • Slope Shape Down: concave
  • Runoff: negligible
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/14/2005 (actual site observation date)
  • Air Photo ID: 38091h3ne
  • 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: 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

    2.9

    —

    —

    224.9

    —

    87

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 30 centimeters (0.0 to 11.8 inches); dark brown (10YR 3/3) crushed silt loam; weak very fine subangular blocky structure; friable; 10.0 fine roots; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU026935; observed in pit, small
    EB1—30 to 46 centimeters (11.8 to 18.1 inches); brown (10YR 4/3) crushed silt loam; moderate very fine subangular blocky structure; firm; 0.5 fine roots; 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; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU026936; observed in pit, small
    BE1—46 to 76 centimeters (18.1 to 29.9 inches); pale brown (10YR 6/3) crushed silty clay loam; weak medium subangular blocky, and weak medium prismatic structure; firm; 0.5 fine roots; 15 percent light gray (10YR 7/1), moist, skeletans and 30 percent clay films; 1 percent medium faint irregular noncoherent cemented red (2.5YR 4/8), 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; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # MU026937; observed in pit, small
    Bt1—76 to 91 centimeters (29.9 to 35.8 inches); brown (10YR 4/3) crushed silty clay; moderate fine subangular blocky, and weak coarse prismatic structure; very firm; 0.5 fine roots; 70 percent prominent clay films; 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 and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU026938; observed in pit, small
    2Bt—91 to 142 centimeters (35.8 to 55.9 inches); yellowish brown (10YR 5/6) crushed silty clay loam; moderate subangular blocky, and weak coarse prismatic structure; firm; 20 percent clay films; 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 dark grayish brown (10YR 4/2), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU026939; observed in pit, small
    2Bt2—142 to 188 centimeters (55.9 to 74.0 inches); yellowish brown (10YR 5/6) crushed silty clay loam; moderate fine subangular blocky, and weak coarse prismatic structure; firm; 20 percent clay films and 20 percent pale brown (10YR 6/3), moist, skeletans; 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 yellowish red (5YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU026940; observed in pit, small
    3B1—188 to 218 centimeters (74.0 to 85.8 inches); gray (10YR 6/1) crushed clay; strong fine subangular blocky structure; very firm; 35 percent clay films; 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 and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), 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; 1 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # MU026941; observed in pit, small
    3B1—218 to 284 centimeters (85.8 to 111.8 inches); brownish yellow (10YR 6/6) crushed clay; moderate fine subangular blocky structure; very firm; 15 percent clay films; 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3B2—284 to 305 centimeters (111.8 to 120.1 inches); yellowish brown (10YR 5/6) crushed silty clay loam; moderate fine subangular blocky structure; very firm; 10 percent clay films; 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 5/8), 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; 1 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3B2—305 to 335 centimeters (120.1 to 131.9 inches); light brownish gray (2.5Y 6/2) crushed silty clay; moderate fine subangular blocky structure; very firm; 6 percent clay films; 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 brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented brownish yellow (10YR 6/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3Btb3—335 to 427 centimeters (131.9 to 168.1 inches); yellowish brown (10YR 5/6) crushed silty clay; massive; firm; 1 percent clay films and 1 percent carbonate coats; 1 percent medium faint irregular noncoherent cemented light gray (2.5Y 7/1), 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 and 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter chert fragments; slight effervescence, by hcl, 1n.; observed in pit, small
    3Ck1—427 to 549 centimeters (168.1 to 216.1 inches); brownish yellow (10YR 6/6) crushed silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (10YR 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; 8 percent carbonate masses; 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments and 2 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter chert fragments; strong effervescence, by hcl, 1n.; observed in pit, small
    3Ck2—549 to 589 centimeters (216.1 to 231.9 inches); yellowish brown (10YR 5/6) crushed silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/8), 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 strong brown (7.5YR 4/6), 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; 10 percent carbonate masses; 5 percent by volume nonflat angular very strongly coherent cemented 5-?-20 millimeter chert fragments and 5 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3C1—589 to 721 centimeters (231.9 to 283.9 inches); light yellowish brown (2.5Y 6/3) crushed silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented light olive gray (5Y 6/2), 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 yellowish brown (10YR 5/8), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter chert fragments and 7 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    3Cd1—721 to 780 centimeters (283.9 to 307.1 inches); yellowish brown (10YR 5/4) crushed silty clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter chert fragments and 3 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    3C2—780 to 798 centimeters (307.1 to 314.2 inches); yellowish brown (10YR 5/6) crushed sandy loam; single grain; friable; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    3Cd2—798 to 838 centimeters (314.2 to 329.9 inches); 50 percent pale brown (10YR 6/3) crushed and 50 percent light brownish gray (10YR 6/2) crushed silty clay; massive; very firm; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 2 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter chert fragments and 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n.; observed in pit, small