IDENTIFIERS

  • Current Taxon Name (Soil Name): Portia
  • OSD
  • Series Extent
  • User Site ID: 1994MO203004M
  • User Pedon ID: 1994MO203004M
  • Transect:
  • Transect Stop Number - 4
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9461304
  • NCSS Pedon Lab Data NASIS Record ID - 32122
  • Print Date: 9/24/2024

    • 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: 37.1933806
  • Std. Longitude: -91.4957056
  • 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-B4—Alley Spring, Missouri

    • PEDON

  • Describers Name: Jaw, SAV, JDC, RLT
  • Current Taxonomic Class: Fine-loamy, siliceous, semiactive, mesic Typic Paleudults
  • 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 - Portia
  • PSC - 44 to 94 cm.
  • Classificaton Date - 3/28/2011
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Coulstone
  • Taxonomic Class - Fine-loamy, siliceous, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - taxadjunct
  • PSC - 44 to 94 cm.
  • Classificaton Date - 2/16/1994
  • 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: 32 Percent rock fragments in the control section (vol) and 70 Percent fine sand to 3 IN. in the control section (wt) and 38 Cation exchange capacity to clay ratio


    • SITE

  • Parent Material: residuum and/or slope alluvium
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: backslope
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Class: well
  • Surface Fragments: 0.30 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/16/1994 (actual site observation date)
  • Air Photo ID: 13
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    3—44

    44—176

    —-

    —-
    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

    26

    —

    —

    322

    —

    225

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments.
    A—3 to 18 centimeters (1.2 to 7.1 inches); 80 percent grayish brown (10YR 5/2) and 20 percent dark grayish brown (10YR 4/2) very gravelly silt loam; moderate fine granular structure; very firm; 3.0 fine roots; 3.0 fine interstitial and tubular pores; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter chert fragments and 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU051665
    E—18 to 44 centimeters (7.1 to 17.3 inches); very pale brown (10YR 7/3) very gravelly loam; weak fine subangular blocky structure; friable; 0.9 fine roots; 7.0 fine interstitial pores; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU051666
    Bt1—44 to 72 centimeters (17.3 to 28.3 inches); yellowish red (5YR 4/6) very gravelly sandy loam; moderate fine angular blocky structure; friable; 0.9 fine roots; 0.9 medium vesicular and 3.0 fine tubular pores; 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 5/4), moist, silt coats throughout; 40 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.9, hellige-truog; clear wavy boundary. Lab sample # MU051667
    Bt2—72 to 105 centimeters (28.3 to 41.3 inches); 70 percent yellowish red (5YR 4/6) and 30 percent strong brown (7.5YR 5/6) gravelly coarse sandy loam; weak fine subangular blocky structure; friable; 0.9 fine roots; 3.0 fine tubular pores; 35 percent distinct yellowish red (5YR 4/6), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 5/4), moist, silt coats throughout; 5 percent by volume nonflat subangular indurated 75-162-250 millimeter sandstone, unspecified fragments and 15 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU051668
    2Bt3—105 to 130 centimeters (41.3 to 51.2 inches); 50 percent yellowish red (5YR 5/6) and 50 percent strong brown (7.5YR 5/6) clay; weak fine angular blocky structure; firm; 0.9 fine roots; 3.0 fine tubular pores; 35 percent distinct reddish brown (5YR 5/4), moist, clay films on faces of peds; fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU051669. This horizon contains about 50% pockets of 5YR 5/6 clay. The other 50% of the horizon is expressed as 7.5YR 5/6 loams. The loams are expressed with slight brittleness.
    2Bt4—130 to 155 centimeters (51.2 to 61.0 inches); 60 percent red (2.5YR 4/6) and 20 percent brownish yellow (10YR 6/8) and 20 percent light gray (10YR 7/2) clay; weak fine angular blocky structure; firm; 0.9 fine roots; 0.9 fine vesicular pores; 75 percent distinct red (2.5YR 4/6), moist, pressure faces throughout; 2 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU051670
    2Bt5—155 to 176 centimeters (61.0 to 69.3 inches); 60 percent yellowish red (5YR 4/6) and 20 percent brownish yellow (10YR 6/6) and 20 percent light gray (10YR 7/2) very gravelly clay loam; weak fine angular blocky structure; firm; 0.1 fine roots; 0.9 fine vesicular pores; 75 percent distinct yellowish red (5YR 4/6), moist, pressure faces throughout; 35 percent by volume nonflat subangular indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.8, hellige-truog. Lab sample # MU051671