IDENTIFIERS

  • Current Taxon Name (Soil Name): MCGIRK
  • OSD
  • Series Extent
  • User Site ID: 1989MO053060
  • User Pedon ID: 1989MO053060
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M8905360
  • NCSS Pedon Lab Data NASIS Record ID - 29552
  • Print Date: 11/21/2024

    • 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: 38.7735278
  • Std. Longitude: -92.8847222
  • Datum: WGS84
  • Township: T46N
  • Range: R18W
  • Section: 3
  • PLSS Details: 2,550 feet East and 43 feet North from the South West corner
  • Country: US—United States
  • State: Missouri
  • County: MO053—Cooper
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO053—Cooper County, Missouri
  • 7.5 Minute USGS Quad: 38092-G8—Pilot Grove South, Missouri

    • PEDON

  • Describers Name: Greg Caldwell, David Skaer, Aaron Woods
  • Current Taxonomic Class: Fine, mixed, mesic Aquollic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Missouri Pedon
  • Pedon #: 60
  • Sampled As Information:
  • Soil Name - MCGIRK
  • Taxonomic Class - Fine, mixed, mesic Aquollic Hapludalfs
  • PSC - 46 to 91 cm.
  • Classificaton Date - 11/21/1989
  • 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 residuum weathered from limestone and shale
  • Landscape: upland
  • 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: somewhat poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/21/1989 (actual site observation date)
  • Air Photo ID: 38092g8se
  • 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: water erosion sheet
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    —

    91 - 152

    - 61 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    argillic horizon

    fragipan

    0—23

    23—36

    46—91

    91—152

    —23—

    —13—

    —45—

    —61—
    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

    —

    —

    235.3

    —

    1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2) interior, brown (10YR 5/3) interior, dry; silt loam; 100 percent silt; weak fine granular structure; friable; 3.0 very fine roots; fragments; abrupt smooth boundary. Lab sample # MU035243; observed in pit, small
    E—23 to 36 centimeters (9.1 to 14.2 inches); brown (10YR 5/3) interior silt loam; 100 percent silt; weak very fine subangular blocky structure; friable; 3.0 very fine roots; 15 percent distinct silt coats on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU035244; observed in pit, small
    BE—36 to 46 centimeters (14.2 to 18.1 inches); 50 percent grayish brown (10YR 5/2) interior and 50 percent brown (10YR 5/3) interior silt loam; 100 percent silt; moderate very fine subangular blocky structure; friable; 3.0 very fine roots; 15 percent faint clay films on all faces of peds and 15 percent distinct organic stains on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU035245; observed in pit, small
    Bt1—46 to 71 centimeters (18.1 to 28.0 inches); dark yellowish brown (10YR 4/4) interior silty clay; 100 percent silt; strong fine subangular blocky structure; very firm; 0.5 very fine roots; 70 percent prominent clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU035246; observed in pit, small
    Bt2—71 to 91 centimeters (28.0 to 35.8 inches); 50 percent grayish brown (10YR 5/2) interior and 50 percent dark yellowish brown (10YR 4/6) interior silty clay loam; 100 percent silt; moderate fine subangular blocky structure; firm; 0.5 fine roots; 35 percent prominent clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; fragments; clear smooth boundary. Lab sample # MU035247; observed in pit, small
    2Ex1—91 to 109 centimeters (35.8 to 42.9 inches); 50 percent weak red (2.5YR 5/2) interior and 50 percent yellowish brown (10YR 5/4) interior silt loam; 100 percent silt; weak medium platy, and weak medium prismatic structure; firm; 0.5 fine roots; 12 percent prominent clay films on vertical faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; fragments; gradual smooth boundary. Lab sample # MU035248; observed in pit, small
    2Ex2—109 to 135 centimeters (42.9 to 53.1 inches); dark grayish brown (10YR 4/2) interior silt loam; 100 percent silt; weak coarse prismatic structure; firm; 0.5 fine roots; 1 percent distinct clay films on vertical faces of peds; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 5 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter chert fragments; gradual smooth boundary. Lab sample # MU035249; observed in pit, small
    2Ex3—135 to 152 centimeters (53.1 to 59.8 inches); 50 percent grayish brown (10YR 5/2) interior and 50 percent brown (10YR 5/3) interior silt loam; 100 percent silt; weak coarse prismatic structure; firm; 0.5 fine roots; 1 percent distinct clay films on surfaces along root channels; 1 percent medium faint irregular noncoherent cemented iron depletions with clear boundaries in matrix; 5 percent by volume nonflat very strongly coherent cemented 2-?-75 millimeter chert fragments. Lab sample # MU035250; observed in pit, small