IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTER
  • OSD
  • Series Extent
  • User Site ID: 2005MO139064
  • User Pedon ID: 2005MO139064
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0513964
  • NCSS Pedon Lab Data NASIS Record ID - 30364
  • User Project ID: 201811UNI001
  • Project Name: MLRA 113 and 109 - Armster surface texture and landscape evaluation
  • Print Date: 1/30/2025
  • 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: 38.9666667
  • Std. Longitude: -91.3500000
  • Datum: WGS84
  • Township: T49N
  • Range: R4W
  • Section: 28
  • PLSS Details: 2,440 feet West and 190 feet South from the South East corner
  • Location Description: Old house site.1/2mile south of Bellflower
  • 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, Wyn Kelley
  • 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 #: 64
  • 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: plain
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: backslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • 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: 7/14/2005 (actual site observation date)
  • Air Photo ID: 38091h3nw
  • 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

    1

    239.6

    300

    Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) crushed silt loam; moderate fine subangular blocky structure; friable; 10.0 fine roots; 10.0 fine pores; 40 percent distinct very dark gray (10YR 3/1), moist, organic stains on all faces of peds; fragments; clear smooth boundary. Lab sample # MU026910; observed in pit, small
    E1—20 to 30 centimeters (7.9 to 11.8 inches); dark grayish brown (10YR 4/2) crushed silt loam; weak fine subangular blocky, and weak very coarse platy structure; very friable; 3.0 fine roots; 10.0 fine tubular pores; 20 percent distinct light brownish gray (10YR 6/2), moist, silt coats on all faces of peds; fragments; clear smooth boundary. Lab sample # MU026911; observed in pit, small
    E2—30 to 48 centimeters (11.8 to 18.9 inches); dark grayish brown (10YR 4/2) crushed silt loam; weak coarse platy structure; very friable; 3.0 fine roots; 3.0 fine tubular pores; 50 percent distinct gray (10YR 6/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; abrupt smooth boundary. Lab sample # MU026912; observed in pit, small
    Btg1—48 to 76 centimeters (18.9 to 29.9 inches); 60 percent dark grayish brown (10YR 4/2) crushed and 40 percent dark yellowish brown (10YR 4/4) crushed silty clay; moderate fine subangular blocky structure; very firm; 3.0 fine roots; 3.0 fine pores; 50 percent distinct dark gray (10YR 4/1), moist, silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented dark yellowish brown (10YR 4/6), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026913; observed in pit, small
    Btg2—76 to 109 centimeters (29.9 to 42.9 inches); dark grayish brown (10YR 4/2) crushed silty clay loam; weak medium subangular blocky structure; firm; 3.0 fine roots; 3.0 fine pores; 5 percent distinct gray (10YR 6/1), moist, silt coats on surfaces along root channels and 40 percent distinct dark gray (10YR 4/1), moist, silt coats 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 # MU026914; observed in pit, small
    2Btg3—109 to 193 centimeters (42.9 to 76.0 inches); 30 percent yellowish red (5YR 5/8) crushed and 70 percent gray (10YR 5/1) crushed silty clay loam; weak medium subangular blocky, and weak coarse prismatic structure; firm; 0.5 fine roots; 0.5 fine pores; 10 percent faint 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 reddish brown (5YR 5/4), moist, iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU026915; observed in pit, small
    2Btg4—193 to 234 centimeters (76.0 to 92.1 inches); 30 percent gray (10YR 5/1) crushed and 70 percent yellowish red (5YR 5/8) crushed silty clay loam; weak coarse prismatic structure; firm; 0.5 fine roots; 0.5 fine pores; 10 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 # MU026916; observed in pit, small
    2Btg4—234 to 274 centimeters (92.1 to 107.9 inches); 30 percent light brownish gray (10YR 6/2) crushed and 70 percent grayish brown (10YR 5/2) crushed silty clay loam; weak coarse prismatic structure; firm; 0.5 fine roots; 0.5 fine pores; 10 percent prominent skeletans and 20 percent faint 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; fragments; gradual smooth boundary.; observed in pit, small
    3Btg5—274 to 579 centimeters (107.9 to 228.0 inches); 20 percent yellowish red (5YR 4/6) crushed and 80 percent gray (10YR 5/1) crushed silty clay loam; weak medium subangular blocky, and weak coarse prismatic structure; firm; 10 percent faint clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented yellowish red (5YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments; gradual smooth boundary.; observed in pit, small
    3BC—579 to 671 centimeters (228.0 to 264.2 inches); 30 percent light gray (5Y 7/1) crushed and 70 percent light olive gray (5Y 6/2) crushed silty clay; weak fine subangular blocky structure; 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 strong brown (7.5YR 5/6), moist, iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments; gradual smooth boundary.; observed in pit, small
    4Bt1—671 to 744 centimeters (264.2 to 292.9 inches); 20 percent gray (10YR 6/1) crushed and 80 percent strong brown (7.5YR 5/8) crushed clay loam; moderate medium subangular blocky structure; firm; 35 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented quartz fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small
    4BC1—744 to 866 centimeters (292.9 to 340.9 inches); yellowish brown (10YR 5/6) crushed clay loam; weak fine subangular blocky structure; firm; 12 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented 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 iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 1 percent by volume flat very strongly coherent cemented chert fragments and 1 percent by volume flat very strongly coherent cemented quartz fragments; clear smooth boundary.; observed in pit, small
    4BC2—866 to 927 centimeters (340.9 to 365.0 inches); strong brown (7.5YR 5/8) crushed clay loam; weak fine subangular blocky structure; very firm; 12 percent distinct clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented 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 flat very strongly coherent cemented quartz fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; clear smooth boundary.; observed in pit, small
    4BC3—927 to 1006 centimeters (365.0 to 396.1 inches); 75 percent yellowish brown (10YR 5/6) crushed and 25 percent gray (10YR 5/1) crushed clay loam; weak fine subangular blocky structure; very firm; 12 percent distinct clay films on all faces of peds; 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; 2 percent by volume flat very strongly coherent cemented chert fragments and 2 percent by volume flat very strongly coherent cemented quartz fragments; clear smooth boundary.; observed in pit, small
    4Ck1—1006 to 1067 centimeters (396.1 to 420.1 inches); variegated 90 percent yellowish brown (10YR 5/6) crushed and 10 percent gray (10YR 6/1) crushed clay loam; massive; very firm; 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; 12 percent carbonate, finely disseminated throughout; 1 percent by volume flat very strongly coherent cemented limestone, unspecified fragments and 1 percent by volume flat very strongly coherent cemented quartz fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4Ck2—1067 to 1135 centimeters (420.1 to 446.9 inches); 80 percent yellowish brown (10YR 5/6) crushed and 20 percent gray (2.5Y 6/1) crushed clay loam; massive; very firm; 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; 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 1 percent by volume flat very strongly coherent cemented chert fragments and 1 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4Ck3—1135 to 1173 centimeters (446.9 to 461.8 inches); 95 percent red (10R 5/6) crushed and 5 percent light gray (10YR 7/1) crushed clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), moist, iron depletions with clear boundaries in matrix; 12 percent fine distinct carbonate masses throughout; 2 percent by volume flat very strongly coherent cemented chert fragments and 3 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4Ck4—1173 to 1199 centimeters (461.8 to 472.0 inches); 90 percent yellowish brown (10YR 5/6) crushed and 10 percent gray (2.5Y 6/1) crushed clay loam; weak fine subangular blocky structure; firm; 1 percent medium faint irregular noncoherent cemented very dark gray (10YR 3/1), 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; 2 percent by volume flat very strongly coherent cemented limestone, unspecified fragments and 3 percent by volume flat very strongly coherent cemented chert fragments and 5 percent by volume flat very strongly coherent cemented shale, unspecified fragments; violent effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    4C—1199 to 1290 centimeters (472.0 to 507.9 inches); 90 percent yellowish brown (10YR 5/8) crushed and 10 percent light gray (2.5Y 7/1) crushed clay loam; massive; very firm; 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 quartz fragments and 2 percent by volume flat very strongly coherent cemented limestone, unspecified fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    5Bw—1290 to 1328 centimeters (507.9 to 522.8 inches); 95 percent yellowish brown (10YR 5/6) crushed and 5 percent gray (2.5Y 6/1) crushed silty clay loam; massive; firm; 1 percent medium faint irregular noncoherent cemented 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; 1 percent by volume flat very strongly coherent cemented chert fragments and 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 1 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; clear smooth boundary.; observed in pit, small
    5Ck—1328 to 1438 centimeters (522.8 to 566.1 inches); yellowish brown (10YR 5/6) crushed silty clay loam; massive; firm; 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 4/6), 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; 1 percent carbonate masses throughout; 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 2 percent by volume flat very strongly coherent cemented chert fragments and 2 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; clear smooth boundary.; observed in pit, small
    5Cd—1438 to 1633 centimeters (566.1 to 642.9 inches); yellowish brown (10YR 5/6) crushed silty clay loam; massive; firm; 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 gray (2.5Y 6/1), moist, iron depletions with clear boundaries in matrix; 1 percent fine prominent carbonate masses throughout; 1 percent by volume flat very strongly coherent cemented unspecified fragments and 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 2 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; clear smooth boundary.; observed in pit, small
    6Bw—1633 to 1999 centimeters (642.9 to 787.0 inches); brownish yellow (10YR 6/8) crushed silty clay loam; moderate fine subangular blocky structure; firm; 2 percent by volume flat very strongly coherent cemented chert fragments and 3 percent by volume flat very strongly coherent cemented limestone, unspecified fragments; clear smooth boundary.; observed in pit, small
    6C—1999 to 2184 centimeters (787.0 to 859.8 inches); 60 percent dark gray (5Y 4/1) crushed and 40 percent olive gray (5Y 4/2) crushed silty clay; massive; firm; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 1 percent fine prominent carbonate masses throughout; 1 percent by volume flat very strongly coherent cemented shale, unspecified fragments and 2 percent by volume flat very strongly coherent cemented chert fragments; noneffervescent, by hcl, 1n; clear smooth boundary.; observed in pit, small