IDENTIFIERS

  • Current Taxon Name (Soil Name): Gressy
  • OSD
  • Series Extent
  • User Site ID: 1995MO203094M
  • User Pedon ID: 1995MO203094M
  • User Site Association ID: 8611
  • Transect:
  • User Transect ID - shannon-72D1
  • Transect Stop Number - 1
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561394
  • NCSS Pedon Lab Data NASIS Record ID - 28008
  • 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: 37.2677167
  • Std. Longitude: -91.4158111
  • Datum: WGS84
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO203—Shannon County, Missouri
  • 7.5 Minute USGS Quad: 37091-C4—Round Spring, Missouri

    • PEDON

  • Describers Name: RLT
  • Current Taxonomic Class: Fine-loamy, semiactive, mesic Typic Paleudalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Gressy
  • PSC - 36 to 86 cm.
  • Classificaton Date - 3/18/2020
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Portia
  • Taxonomic Class - Fine-loamy, siliceous, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 36 to 86 cm.
  • Classificaton Date - 11/20/1996
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3
  • Field Measured Properties: 36 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: structural bench
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/20/1996 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, lithic

    —

    170 -

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

    ochric epipedon

    argillic horizon

    abrupt textural change

    lithic contact

    0—18

    18—170

    137—

    170—

    —-

    —-

    —-

    —-
    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

    14

    —

    —

    250

    —

    157

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark grayish brown (10YR 3/2) rubbed very gravelly silt loam; weak fine granular, and weak fine subangular blocky structure; 3.0 fine to coarse roots; 7.0 very fine and fine interstitial and tubular pores; 35 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # MU020280
    Bt1—18 to 36 centimeters (7.1 to 14.2 inches); brown (10YR 5/3) gravelly silt loam; weak fine subangular blocky structure; 0.9 fine and medium roots; 3.0 fine to coarse tubular pores; 15 percent faint brown (7.5YR 5/4) clay films on faces of peds and 35 percent distinct dark grayish brown (10YR 4/2) organic stains on tops of soil columns and 35 percent distinct dark grayish brown (10YR 4/2) silt coats throughout; 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.8, hellige-truog; clear smooth boundary. Lab sample # MU020281
    Bt2—36 to 53 centimeters (14.2 to 20.9 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; 0.9 fine and medium roots; 7.0 fine and medium tubular pores; 35 percent distinct strong brown (7.5YR 4/6) silt coats on faces of peds and 35 percent faint strong brown (7.5YR 5/6) clay films on faces of peds; 10 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.5, hellige-truog; clear smooth boundary. Lab sample # MU020282
    Bt3—53 to 74 centimeters (20.9 to 29.1 inches); yellowish brown (10YR 5/4) silt loam; weak fine subangular blocky structure; 0.9 fine and medium roots; 3.0 fine and medium tubular pores; 35 percent distinct strong brown (7.5YR 5/6) silt coats on faces of peds and 35 percent distinct strong brown (7.5YR 5/6) clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU020283
    Bt4—74 to 91 centimeters (29.1 to 35.8 inches); strong brown (7.5YR 5/6) gravelly silty clay loam; moderate fine subangular blocky structure; 0.9 fine and medium roots; 3.0 fine and medium tubular pores; 35 percent distinct dark yellowish brown (10YR 4/6) clay films on faces of peds and 35 percent faint brown (10YR 4/3) silt coats on faces of peds; 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.3, hellige-truog; clear wavy boundary. Lab sample # MU020284
    Bt5—91 to 137 centimeters (35.8 to 53.9 inches); brown (7.5YR 4/4) very gravelly silt loam; moderate fine subangular blocky structure; 0.9 fine and medium roots; 3.0 fine and medium tubular pores; 15 percent distinct manganese or iron-manganese stains on faces of peds and 35 percent distinct yellowish red (5YR 4/6) clay films on rock fragments and 75 percent distinct light brown (7.5YR 6/3) silt coats throughout; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU020285
    2Bt6—137 to 170 centimeters (53.9 to 66.9 inches); yellowish red (5YR 4/6) clay; moderate fine subangular blocky, and weak fine angular blocky structure; 0.9 fine and medium roots; 0.9 fine and medium tubular pores; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; moderately acid, pH 5.9, hellige-truog; clear wavy boundary. Lab sample # MU020286
    2R—170 centimeters (66.9 inches); bedrock; fragments.