IDENTIFIERS

  • Current Taxon Name (Soil Name): Delassus
  • OSD
  • Series Extent
  • User Site ID: 1997MO203040M
  • User Pedon ID: 1997MO203040M
  • Transect:
  • Transect Stop Number - 4
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9761340
  • NCSS Pedon Lab Data NASIS Record ID - 31668
  • Print Date: 12/17/2024

    • 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: 37.1270306
  • Std. Longitude: -91.2340194
  • 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-B2—Powder Mill Ferry, Missouri

    • PEDON

  • Describers Name: BM,SB,LT
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Typic Fragiudults
  • Current Taxon Kind: series
  • Pedon Type: map unit inclusion
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Delassus
  • PSC - 30 to 66 cm.
  • Classificaton Date - 3/8/2011
  • 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 - 30 to 66 cm.
  • Classificaton Date - 5/15/1997
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Field Measured Properties: 21 percent of Percent clay in the control section and 14 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: slope alluvium over residuum
  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: shoulder
  • Slope Shape Across: convex
  • Slope Shape Down: concave
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/15/1997 (actual site observation date)
  • Air Photo ID: 15
  • Surface Cover Properties:
  • 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

    fragipan

    —

    66 - 122

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

    ochric epipedon

    argillic horizon

    fragipan

    0—20

    30—122

    66—122

    —-

    —-

    —-
    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

    —

    —

    —

    —

    290

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2) broken face gravelly silt loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine to coarse interstitial and tubular pores; 5 percent by volume 75-162-250 millimeter rhyolite fragments and 20 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU059448
    E—10 to 30 centimeters (3.9 to 11.8 inches); light brownish gray (10YR 6/2) broken face silt loam; weak fine granular structure; friable; 7.0 fine to coarse roots; 7.0 fine to coarse tubular pores; 35 percent distinct dark grayish brown (10YR 4/2) organic stains in root channels and/or pores; 10 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU059449
    Bt1—30 to 46 centimeters (11.8 to 18.1 inches); yellowish brown (10YR 5/4) broken face silt loam; weak fine subangular blocky structure; friable; 7.0 fine and medium roots; 7.0 fine and medium tubular pores; 35 percent distinct brown (7.5YR 5/4) clay films on faces of peds and 35 percent distinct pale brown (10YR 6/3) silt coats on faces of peds; 10 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU059450
    Bt2—46 to 66 centimeters (18.1 to 26.0 inches); brown (7.5YR 5/4) broken face gravelly loam; weak fine subangular blocky structure; firm; 3.0 fine and medium roots; 7.0 fine and medium tubular pores; 35 percent distinct strong brown (7.5YR 4/6) clay films on faces of peds and 35 percent distinct brown (7.5YR 4/4) clay films on rock fragments; 2 percent by volume 75-162-250 millimeter rhyolite fragments and 15 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU059451
    2Btx1—66 to 91 centimeters (26.0 to 35.8 inches); 30 percent gray (10YR 6/1) broken face and 30 percent light gray (10YR 7/1) broken face and 40 percent brownish yellow (10YR 6/8) broken face very gravelly silt loam; moderate medium prismatic structure; firm; brittle; 0.9 fine and medium roots; 7.0 fine and medium vesicular pores; 15 percent distinct grayish brown (10YR 5/2) clay films on faces of peds and 35 percent distinct yellowish brown (10YR 5/4) clay films on faces of peds; 10 percent by volume 75-162-250 millimeter rhyolite fragments and 35 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.8, hellige-truog; gradual smooth boundary. Lab sample # MU059452. 60 percent brittleness
    2Btx2—91 to 122 centimeters (35.8 to 48.0 inches); light brownish gray (10YR 6/2) broken face gravelly silt loam; moderate medium prismatic structure; firm; brittle; 0.1 fine roots; 7.0 fine vesicular pores; 15 percent distinct brown (7.5YR 5/3) clay films on faces of peds and 15 percent distinct yellowish brown (10YR 5/4) clay films on faces of peds; 35 percent fine gray (10YR 5/1) clay depletions between peds; 15 percent by volume 2-39-75 millimeter rhyolite fragments and 25 percent by volume 75-162-250 millimeter rhyolite fragments; very strongly acid, pH 4.7, hellige-truog; gradual smooth boundary. Lab sample # MU059453. 90 percent brittleness
    3Bt3—122 to 163 centimeters (48.0 to 64.2 inches); 40 percent red (2.5YR 4/6) broken face and 60 percent light brownish gray (10YR 6/2) broken face gravelly clay loam; moderate medium subangular blocky structure; firm; 0.9 fine roots; 0.9 fine tubular pores; 15 percent distinct yellowish brown (10YR 5/4) clay films on faces of peds and 15 percent distinct reddish brown (2.5YR 4/4) clay films on faces of peds and 35 percent faint strong brown (7.5YR 5/8) clay films on faces of peds and 35 percent distinct dark yellowish brown (10YR 4/6) clay films on faces of peds; 10 percent by volume 75-162-250 millimeter rhyolite fragments and 15 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 4.9, hellige-truog; gradual wavy boundary. Lab sample # MU059454
    3Bt4—163 to 193 centimeters (64.2 to 76.0 inches); 40 percent red (2.5YR 4/8) broken face and 30 percent grayish brown (10YR 5/2) broken face and 30 percent brownish yellow (10YR 6/6) broken face clay; moderate medium subangular blocky structure; firm; 0.1 fine roots; 0.9 fine tubular pores; 35 percent distinct red (2.5YR 4/6) clay films on faces of peds and 35 percent distinct yellowish brown (10YR 5/4) clay films on faces of peds; 15 percent by volume 2-39-75 millimeter rhyolite fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # MU059455