IDENTIFIERS

  • Current Taxon Name (Soil Name): ARMSTER
  • OSD
  • Series Extent
  • User Site ID: 2005MO139060
  • User Pedon ID: 2005MO139060
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M0513960
  • NCSS Pedon Lab Data NASIS Record ID - 30368
  • User Project ID: 201811UNI001
  • Project Name: MLRA 113 and 109 - Armster surface texture and landscape evaluation
  • 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: 38.9000000
  • Std. Longitude: -91.3666667
  • Datum: WGS84
  • Township: T48N
  • Range: R4W
  • Section: 20
  • PLSS Details: 37 feet East and 154 feet South from the South East corner
  • Location Description: Junction Hwy. F and Fairview Rd. 1.75 miles north of High Hill.
  • 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, superactive, mesic Mollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 60
  • Sampled As Information:
  • Soil Name - ARMSTER
  • Taxonomic Class - Fine, smectitic, superactive, mesic Mollic Hapludalfs
  • PSC - 18 to 69 cm.
  • Classificaton Date - 6/23/2005
  • 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: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • 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: 6/23/2005 (actual site observation date)
  • Air Photo ID: 38091h3sw
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—18

    18—401

    —18—

    —383—
    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

    3.4

    —

    —

    257.9

    —

    63

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) crushed silt loam; 15 percent sand; 65 percent silt; 20 percent clay; weak fine granular, and moderate fine subangular blocky structure; friable; 10.0 fine roots; fragments; abrupt smooth boundary. Lab sample # MU026817; observed in pit, small
    Bt1—18 to 30 centimeters (7.1 to 11.8 inches); dark grayish brown (10YR 4/2) broken face silty clay; 7 percent sand; 49 percent silt; 44 percent clay; moderate medium subangular blocky structure; very friable; 0.5 very fine roots and 0.5 fine roots; 3 percent prominent light brownish gray (10YR 6/2), moist, silt coats and 40 percent prominent very dark grayish brown (10YR 3/2), moist, clay films; 1 percent medium faint irregular noncoherent cemented white (2.5YR 8/1), 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 # MU026818; observed in pit, small
    Bt2—30 to 56 centimeters (11.8 to 22.0 inches); dark yellowish brown (10YR 4/4) crushed silty clay; 12 percent sand; 46 percent silt; 42 percent clay; moderate very fine subangular blocky structure; very firm; 0.5 fine roots; 60 percent 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 and 1 percent medium faint irregular noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026819; observed in pit, small
    Bt3—56 to 91 centimeters (22.0 to 35.8 inches); yellowish brown (10YR 5/4) crushed silty clay loam; 17 percent sand; 51 percent silt; 33 percent clay; moderate fine subangular blocky, and moderate thick platy structure; very firm; 12 percent light brownish gray (10YR 6/2), moist, silt coats; 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 black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU026820; observed in pit, small
    2Btb1—91 to 127 centimeters (35.8 to 50.0 inches); yellowish brown (10YR 5/6) crushed silty clay loam; 17 percent sand; 46 percent silt; 37 percent clay; moderate fine subangular blocky, and weak coarse prismatic structure; very firm; 30 percent very dark grayish brown (10YR 3/2), moist, 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 and 1 percent medium faint irregular noncoherent cemented gray (10YR 6/1), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat very strongly coherent cemented 20-?-75 millimeter chert fragments; clear smooth boundary. Lab sample # MU026821; observed in pit, small
    2Btbg1—127 to 188 centimeters (50.0 to 74.0 inches); pale red (2.5YR 6/2) crushed clay; 13 percent sand; 38 percent silt; 49 percent clay; weak fine prismatic, and moderate fine subangular blocky structure; very firm; 10 percent pressure faces and 45 percent very dark grayish brown (10YR 3/2), moist, clay films; 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 strong brown (7.5YR 5/8), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    2Btbg2—188 to 254 centimeters (74.0 to 100.0 inches); pale red (2.5YR 6/2) crushed clay loam; 28 percent sand; 33 percent silt; 39 percent clay; moderate fine subangular blocky, and moderate coarse prismatic structure; very firm; 10 percent pressure faces and 25 percent prominent very dark grayish brown (10YR 3/2), moist, clay films; 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 black (10YR 2/1), 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; 4 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    2Btb1—254 to 371 centimeters (100.0 to 146.1 inches); 60 percent yellowish brown (10YR 5/6) crushed and 40 percent pale red (2.5YR 7/2) crushed clay loam; 29 percent sand; 36 percent silt; 36 percent clay; weak fine subangular blocky, and weak coarse prismatic structure; very firm; 15 percent very dark grayish brown (10YR 3/2), moist, clay films; 1 percent medium faint irregular noncoherent cemented black (10YR 2/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    2Btb2—371 to 401 centimeters (146.1 to 157.9 inches); yellowish brown (10YR 5/6) crushed clay loam; 23 percent sand; 38 percent silt; 39 percent clay; weak coarse prismatic, and weak fine subangular blocky structure; very firm; 10 percent 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 gray (10YR 7/2), moist, iron depletions with clear boundaries in matrix; 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; clear smooth boundary.; observed in pit, small
    2Cb2—401 to 579 centimeters (157.9 to 228.0 inches); yellowish brown (10YR 5/4) crushed clay loam; 31 percent sand; 37 percent silt; 32 percent clay; weak coarse prismatic structure; very firm; 3 percent clay films; 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; 30 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; very slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2Ck1—579 to 610 centimeters (228.0 to 240.2 inches); yellowish brown (10YR 5/4) crushed clay loam; 29 percent sand; 39 percent silt; 33 percent clay; 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 brownish yellow (10YR 6/8), 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; 5 percent carbonate masses; 5 percent by volume nonflat very strongly coherent cemented 20-?-75 millimeter chert fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    2Ck2—610 to 772 centimeters (240.2 to 303.9 inches); yellowish brown (10YR 5/6) crushed clay loam; 29 percent sand; 40 percent silt; 31 percent clay; massive; very firm; 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 light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; 5 percent carbonate masses; 5 percent by volume nonflat very strongly coherent cemented 20-?-75 millimeter chert fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2C—772 to 889 centimeters (303.9 to 350.0 inches); yellowish brown (10YR 5/4) crushed clay loam; 31 percent sand; 41 percent silt; 28 percent clay; massive; very firm; 1 percent medium faint irregular noncoherent cemented pale red (2.5YR 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; 1 percent carbonate masses; 3 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    2Cd1—889 to 980 centimeters (350.0 to 385.8 inches); yellowish brown (10YR 5/6) crushed loam; 31 percent sand; 46 percent silt; 24 percent clay; 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 reddish gray (2.5YR 6/1), moist, iron depletions with clear boundaries in matrix; 3 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    3C1—980 to 996 centimeters (385.8 to 392.1 inches); brownish yellow (10YR 6/6) crushed fine sandy loam; 53 percent sand; 28 percent silt; 19 percent clay; massive; friable; 1 percent medium faint irregular noncoherent cemented light gray (10YR 7/2), moist, iron depletions with clear boundaries in matrix; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    3C2—996 to 1016 centimeters (392.1 to 400.0 inches); brownish yellow (10YR 6/6) crushed fine sandy loam; 52 percent sand; 32 percent silt; 16 percent clay; 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 pinkish gray (5YR 7/2), moist, iron depletions with clear boundaries in matrix; 1 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
    3C3—1016 to 1036 centimeters (400.0 to 407.9 inches); yellowish brown (10YR 5/6) crushed fine sand; 88 percent sand; 8 percent silt; 4 percent clay; massive; friable; 1 percent medium faint irregular noncoherent cemented light gray (10YR 7/2), moist, iron depletions with clear boundaries in matrix; 1 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
    3C4—1036 to 1054 centimeters (407.9 to 415.0 inches); yellowish brown (10YR 5/6) crushed clay loam; 29 percent sand; 42 percent silt; 30 percent clay; 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 brownish yellow (10YR 6/8), moist, iron depletions with clear boundaries in matrix; 2 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
    4Cg1—1054 to 1110 centimeters (415.0 to 437.0 inches); very dark gray (10YR 3/1) crushed clay loam; 30 percent sand; 42 percent silt; 28 percent clay; massive; very firm; 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments and 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter shale, unspecified fragments; slight effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    5C—1110 to 1158 centimeters (437.0 to 455.9 inches); yellowish brown (10YR 5/6) crushed loamy sand; 84 percent sand; 11 percent silt; 5 percent clay; massive; friable; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    6Cg1—1158 to 1219 centimeters (455.9 to 479.9 inches); dark greenish gray (10Y 3/1) crushed clay loam; 29 percent sand; 43 percent silt; 28 percent clay; massive; very firm; 7 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter chert fragments and 8 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
    7C1—1219 to 1323 centimeters (479.9 to 520.9 inches); yellowish brown (10YR 5/6) crushed sandy loam; massive; friable; fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    8Cg1—1323 to 1341 centimeters (520.9 to 528.0 inches); dark greenish gray (10Y 3/1) crushed clay loam; massive; very firm; 5 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter schist, unspecified fragments and 10 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; strong effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    8Cg2—1341 to 1600 centimeters (528.0 to 629.9 inches); dark greenish gray (10Y 3/1) crushed silty clay loam; massive; very firm; 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter greenstone fragments and 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments and 2 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter limestone, unspecified fragments; strong effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    8Cg3—1600 to 1651 centimeters (629.9 to 650.0 inches); dark greenish gray (10Y 3/1) crushed clay loam; massive; very firm; 6 percent by volume nonflat subangular very strongly coherent cemented 2-?-5 millimeter chert fragments and 6 percent by volume nonflat angular very strongly coherent cemented 5-?-20 millimeter limestone, unspecified fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    8Cg4—1651 to 1712 centimeters (650.0 to 674.0 inches); dark greenish gray (10Y 4/1) crushed fine sandy loam; massive; friable; 1 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
    8Cg5—1712 to 1740 centimeters (674.0 to 685.0 inches); dark greenish gray (10Y 3/1) crushed silty clay; massive; very firm; 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary.; observed in pit, small
    9Btb1—1740 to 1890 centimeters (685.0 to 744.1 inches); light olive brown (2.5Y 5/4) crushed clay; massive; very firm; 7 percent pressure faces and 20 percent distinct clay films; 1 percent medium faint irregular noncoherent cemented 5BG 6/2 (5BG 6/2), 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 carbonate masses; 2 percent by volume nonflat very strongly coherent cemented 5-?-20 millimeter limestone, unspecified fragments and 3 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n; gradual smooth boundary.; observed in pit, small
    9Btb2—1890 to 1920 centimeters (744.1 to 755.9 inches); light olive brown (2.5Y 5/4) crushed clay; massive; firm; 4 percent pressure faces and 6 percent clay films; 1 percent medium faint irregular noncoherent cemented 5BG 6/2 (5BG 6/2), 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 carbonate masses; 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments and 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter limestone, unspecified fragments; strong effervescence, by hcl, 1n; clear smooth boundary.; observed in pit, small
    9BC1—1920 to 1951 centimeters (755.9 to 768.1 inches); light olive brown (2.5Y 5/4) crushed silty clay loam; massive; firm; 1 percent clay films; 1 percent medium faint irregular noncoherent cemented 5BG 6/2 (5BG 6/2), 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 very strongly coherent cemented 2-?-5 millimeter limestone, unspecified fragments and 1 percent by volume nonflat very strongly coherent cemented 2-?-5 millimeter chert fragments; slight effervescence, by hcl, 1n.; observed in pit, small