IDENTIFIERS

  • Current Taxon Name (Soil Name): Delassus
  • OSD
  • Series Extent
  • User Site ID: 1995MO203010M
  • User Pedon ID: 1995MO203010M
  • Vegetation Plot ID: 1995MO203010M
  • User Site Association ID: 8656
  • Transect:
  • Transect Stop Number - 5
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9561310
  • NCSS Pedon Lab Data NASIS Record ID - 31895
  • 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: 37.1741278
  • Std. Longitude: -91.2591778
  • 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-B3—Eminence, Missouri

    • PEDON

  • Describers Name: JW, SV, RLT, JDC
  • Current Taxonomic Class: Fine-silty, mixed, active, mesic Typic Fragiudults
  • Current Taxon Kind: taxadjunct
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Delassus
  • PSC - 8 to 58 cm.
  • Classificaton Date - 3/7/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Delassus
  • Taxonomic Class - Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Taxon Kind - series
  • PSC - 8 to 58 cm.
  • Classificaton Date - 4/27/1995
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 33 percent of Percent clay in the control section and 1.2 Percent rock fragments in the control section (vol) and 47 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: loess over pedisediment
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/27/1995 (actual site observation date)
  • Air Photo ID: 14
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    CARYA

    QUAL

    QUCO2

    QUST

    Carya

    Quercus alba

    Quercus coccinea

    Quercus stellata

    hybrid hickory

    white oak

    scarlet oak

    post oak

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    fragipan

    —

    74 - 152

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

    ochric epipedon

    argillic horizon

    fragipan

    0—8

    8—74

    74—152

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    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

    11

    —

    —

    293

    —

    320

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    A—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3) silt loam; weak fine subangular blocky structure; very friable; 2.0 medium roots and 2.0 fine roots and 0.9 coarse roots; 3.0 fine interstitial and tubular pores; 1 percent fine noncoherent cemented black (N 2/0) masses of dark accumulation throughout; fragments; strongly acid, pH 5.1, hellige-truog; clear smooth boundary. Lab sample # MU054322
    Bt1—8 to 18 centimeters (3.1 to 7.1 inches); 80 percent strong brown (7.5YR 4/6) interior and 20 percent yellowish brown (10YR 5/4) exterior silt loam; weak fine subangular blocky structure; friable; 2.0 medium roots and 2.0 fine roots and 0.9 coarse roots; 3.0 fine tubular pores; 10 percent faint reddish brown (5YR 5/4), moist, clay films on faces of peds and 11 percent faint brown (10YR 5/3), moist, silt coats in root channels and/or pores and 77 percent prominent yellowish brown (10YR 5/4), moist, silt coats throughout; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU054323
    Bt2—18 to 38 centimeters (7.1 to 15.0 inches); strong brown (7.5YR 4/6) silty clay loam; moderate fine subangular blocky structure; firm; 0.9 medium roots and 2.0 fine roots and 0.9 coarse roots; 3.0 fine tubular pores; 33 percent faint yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent faint black (N 2/0), moist, manganese or iron-manganese stains throughout; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU054324
    Bt3—38 to 56 centimeters (15.0 to 22.0 inches); strong brown (7.5YR 4/6) interior silty clay loam; moderate fine subangular blocky structure; firm; 0.9 medium roots and 0.9 fine roots and 0.9 coarse roots; 3.0 fine interstitial and tubular pores; 34 percent faint black (N 2/0), moist, manganese or iron-manganese stains throughout and 76 percent faint yellowish red (5YR 4/6), moist, clay films on faces of peds; 1 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU054325
    Bt4—56 to 74 centimeters (22.0 to 29.1 inches); strong brown (7.5YR 4/6) interior and yellowish brown (10YR 5/4) exterior gravelly clay loam; moderate fine subangular blocky structure; firm; 0.9 medium roots and 0.9 fine roots and 0.9 coarse roots; 3.0 fine tubular pores; 11 percent distinct brown (7.5YR 4/4), moist, clay films on rock fragments and 32 percent distinct brown (10YR 5/3), moist, clay films on faces of peds and 78 percent distinct yellowish brown (10YR 5/4), moist, silt coats throughout; 20 percent by volume nonflat indurated 2-39-75 millimeter igneous, unspecified fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU054326. Gravel located in lower depths of horizon.
    2Btx1—74 to 109 centimeters (29.1 to 42.9 inches); yellowish brown (10YR 5/4) very gravelly loam; weak coarse prismatic parts to weak fine subangular blocky structure; very firm; brittle; 0.9 fine roots in cracks; 0.9 fine tubular pores; 9 percent distinct black (N 2/0), moist, manganese or iron-manganese stains throughout and 35 percent distinct gray (10YR 5/1), moist, clay films on faces of peds and 74 percent distinct grayish brown (10YR 5/2), moist, silt coats on faces of peds and in pores; 30 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU054327
    2Btx2—109 to 152 centimeters (42.9 to 59.8 inches); 80 percent light yellowish brown (10YR 6/4) and 20 percent yellowish brown (10YR 5/6) clay loam; weak coarse prismatic parts to weak fine subangular blocky structure; very firm; brittle; 0.9 fine roots in cracks; 0.9 fine interstitial and tubular pores; 11 percent faint brownish yellow (10YR 6/8), moist, iron stains on faces of peds and in pores and 37 percent distinct brown (10YR 4/3), moist, clay films on faces of peds and 73 percent distinct light brownish gray (10YR 6/2), moist, silt coats on faces of peds and in pores; 5 percent by volume 2-39-75 millimeter igneous, fine crystal fragments; extremely acid, pH 4.3, hellige-truog. Lab sample # MU054328