IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTER
  • OSD
  • Series Extent
  • User Site ID: 2005MO139063
  • User Pedon ID: 2005MO139063
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0513963
  • NCSS Pedon Lab Data NASIS Record ID - 30365
  • User Project ID: 201811UNI001
  • Project Name: MLRA 113 and 109 - Armster surface texture and landscape evaluation
  • 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: 38.9333333
  • Std. Longitude: -91.2666667
  • Datum: WGS84
  • Township: T48N
  • Range: R3W
  • Section: 5
  • PLSS Details: 2,668 feet East and 0 feet South from the South West corner
  • 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, Wyn Kelley, David Dowdy
  • 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 #: 63
  • Sampled As Information:
  • Soil Name - ARMSTER
  • Taxonomic Class - Fine, smectitic, mesic Mollic Hapludalfs
  • PSC - 0 to 0 cm.
  • Classificaton Date - 7/13/2005
  • 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: shoulder
  • Slope Position: upper third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • 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: 7/13/2005 (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

    3

    —

    —

    237.1

    —

    35

    —

    —

    —

    —

    —

    —

    —

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    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) crushed silt loam; moderate fine subangular blocky, and weak medium platy structure; very friable; 3.0 fine roots; 10.0 very fine and 10.0 fine pores; 35 percent faint silt coats on all faces of peds; fragments; abrupt smooth boundary. Lab sample # MU026894; observed in pit, small
    Bt1—18 to 38 centimeters (7.1 to 15.0 inches); dark brown (10YR 3/3) crushed silty clay; moderate medium subangular blocky structure; firm; 3.0 very fine roots; 3.0 very fine pores; 70 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/8), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026895; observed in pit, small
    Bt2—38 to 61 centimeters (15.0 to 24.0 inches); brown (10YR 4/3) crushed silty clay; moderate medium subangular blocky structure; firm; 3.0 very fine roots; 3.0 very fine pores; 70 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 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 # MU026896; observed in pit, small
    2Btg1—61 to 94 centimeters (24.0 to 37.0 inches); 60 percent gray (10YR 6/1) crushed and 40 percent dark yellowish brown (10YR 4/6) crushed silty clay loam; moderate medium subangular blocky structure; firm; 0.5 very fine roots; 0.5 very fine pores; 12 percent distinct light gray (10YR 7/1), moist, skeletans on all faces of peds and 35 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; 1 percent fine prominent black (10YR 2/1), moist, on surfaces along root channels; fragments; gradual smooth boundary. Lab sample # MU026897; observed in pit, small
    2Btg2—94 to 155 centimeters (37.0 to 61.0 inches); 60 percent gray (10YR 6/1) crushed and 40 percent yellowish brown (10YR 5/6) crushed silty clay loam; moderate medium subangular blocky structure; firm; 0.5 very fine roots; 0.5 very fine pores; 3 percent distinct skeletans on all faces of peds and 35 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; fragments; gradual smooth boundary. Lab sample # MU026898; observed in pit, small
    2Btg3—155 to 201 centimeters (61.0 to 79.1 inches); 70 percent gray (10YR 6/1) crushed and 30 percent dark yellowish brown (10YR 4/6) crushed silty clay loam; moderate medium subangular blocky, and moderate coarse subangular blocky structure; firm; 0.5 very fine roots; 0.5 very fine pores; 3 percent distinct light gray (10YR 7/1), moist, skeletans on all faces of peds and 70 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish brown (10YR 5/6), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026899; observed in pit, small
    3Btg4—201 to 274 centimeters (79.1 to 107.9 inches); 70 percent gray (10YR 6/1) crushed and 30 percent yellowish brown (10YR 5/8) crushed silty clay loam; moderate medium subangular blocky, and moderate coarse subangular blocky structure; firm; 3 percent distinct light gray (10YR 7/1), moist, skeletans on all faces of peds and 12 percent prominent dark gray (10YR 4/1), moist, clay films on all faces of peds and 35 percent distinct clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # MU026900; observed in pit, small
    3Btg5—274 to 356 centimeters (107.9 to 140.2 inches); gray (10YR 6/1) crushed silty clay; weak fine subangular blocky structure; very firm; 70 percent distinct clay films on all faces of peds; 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 flat very strongly coherent cemented chert fragments; abrupt smooth boundary.; observed in pit, small
    3Btg6—356 to 389 centimeters (140.2 to 153.1 inches); yellowish brown (10YR 5/4) crushed silty clay loam; massive; very firm; 35 percent distinct clay films; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 4 percent by volume flat very strongly coherent cemented chert fragments; gradual smooth boundary.; observed in pit, small
    3BC—389 to 447 centimeters (153.1 to 176.0 inches); gray (2.5Y 6/1) crushed silty clay loam; massive; very firm; 35 percent distinct clay bridges between sand grains; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; 2 percent by volume flat very strongly coherent cemented chert fragments; gradual smooth boundary.; observed in pit, small
    3BC—447 to 579 centimeters (176.0 to 228.0 inches); light olive gray (5Y 6/2) crushed silty clay; massive; very firm; 35 percent distinct clay bridges between sand grains; 1 percent medium faint irregular noncoherent cemented strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 2 percent by volume flat very strongly coherent cemented quartz fragments and 3 percent by volume flat very strongly coherent cemented chert fragments.; observed in pit, small
    3Ck—579 to 640 centimeters (228.0 to 252.0 inches); 50 percent strong brown (7.5YR 5/8) crushed and 50 percent gray (2.5Y 6/1) crushed silty clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 5 percent by volume flat very strongly coherent cemented chert fragments and 5 percent by volume flat very strongly coherent cemented quartz fragments; clear smooth boundary.; observed in pit, small
    3Ckd1—640 to 838 centimeters (252.0 to 329.9 inches); yellowish brown (10YR 5/4) crushed clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented yellowish red (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; 30 percent carbonate, finely disseminated throughout and 30 percent coarse prominent light gray (10YR 7/1), moist, carbonate masses throughout; 7 percent by volume flat very strongly coherent cemented chert fragments and 7 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; gradual smooth boundary.; observed in pit, small
    3Ckd2—838 to 960 centimeters (329.9 to 378.0 inches); yellowish brown (10YR 5/8) crushed clay loam; massive; very firm; 1 percent medium faint irregular noncoherent cemented yellowish red (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; 30 percent carbonate, finely disseminated throughout and 30 percent coarse prominent light gray (10YR 7/1), moist, carbonate masses throughout; 6 percent by volume flat very strongly coherent cemented limestone, unspecified fragments and 9 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small