IDENTIFIERS

  • Current Taxon Name (Soil Name): Pineknot2
  • OSD
  • Series Extent
  • User Site ID: 1997MO203005M
  • User Pedon ID: 1997MO203005M
  • User Site Association ID: 8611
  • Transect:
  • User Transect ID - shannon-72D1
  • Transect Stop Number - 9
  • Transect Interval - 200.0
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M9761305
  • NCSS Pedon Lab Data NASIS Record ID - 26421
  • Print Date: 2/17/2025

    • 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: 37.2775083
  • Std. Longitude: -91.3932722
  • 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: SB,LT,MS,BM
  • Current Taxonomic Class: Fine-loamy over clayey, siliceous over mixed, subactive, mesic Typic Paleudalfs
  • 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 - Pineknot2
  • PSC - 18 to 100 cm.
  • Classificaton Date - 3/19/2020
  • Moisture Class - udic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Alred
  • Taxonomic Class - Loamy-skeletal over clayey, siliceous, semiactive, mesic Typic Paleudalfs
  • Taxon Kind - series
  • PSC - 18 to 100 cm.
  • Classificaton Date - 1/30/1997
  • 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: 74 percent of Percent clay in the control section and 3.2 Percent rock fragments in the control section (vol)


    • SITE

  • Parent Material: residuum and/or slope alluvium derived from dolomite
  • Landscape: hills
  • Landform: hill
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: summit
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: moderately well
  • Bedrock: dolomite (dolostone)
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/30/1997 (actual site observation date)
  • Air Photo ID: 8
  • 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

    strongly contrasting particle size class

    0—28

    28—188

    28—

    —-

    —-

    —-
    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

    8

    —

    —

    250

    —

    220

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A—0 to 18 centimeters (0.0 to 7.1 inches); 50 percent brown (10YR 5/3) and 50 percent dark grayish brown (10YR 4/2) very gravelly silt loam; weak fine granular structure; very friable; 7.0 fine to coarse roots; 7.0 fine interstitial and tubular pores; 15 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds; 45 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # MU009507
    Bt1—18 to 28 centimeters (7.1 to 11.0 inches); 50 percent strong brown (7.5YR 5/6) and 50 percent yellowish brown (10YR 5/4) gravelly silt loam; moderate medium subangular blocky structure; friable; 7.0 fine to coarse roots; 3.0 fine tubular pores; 15 percent distinct yellowish brown (10YR 5/8), moist, clay films on faces of peds and 15 percent distinct pale brown (10YR 6/3), moist, silt coats on faces of peds and 15 percent distinct dark brown (10YR 3/3), moist, organic stains on faces of peds; 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU009508
    2Bt2—28 to 58 centimeters (11.0 to 22.8 inches); red (2.5YR 5/6) clay; strong medium subangular blocky structure; firm; 7.0 fine and medium roots and 3.0 coarse roots; 3.0 fine and medium tubular pores; 15 percent distinct reddish yellow (7.5YR 6/6), moist, clay films on faces of peds and 35 percent distinct red (2.5YR 4/6), moist, clay films on faces of peds; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 1 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU009509
    2Bt3—58 to 86 centimeters (22.8 to 33.9 inches); red (2.5YR 4/6) clay; moderate medium subangular blocky structure; firm; 3.0 medium roots and 7.0 fine roots and 0.9 coarse roots; 0.9 fine tubular pores; 15 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds and 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds and 75 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear wavy boundary. Lab sample # MU009510
    2Bt4—86 to 107 centimeters (33.9 to 42.1 inches); 50 percent reddish brown (2.5YR 4/4) and 50 percent strong brown (7.5YR 5/6) gravelly clay; weak fine angular blocky structure; firm; 3.0 fine and medium roots; 3.0 fine tubular pores; 15 percent prominent black (N 2/0), moist, manganese or iron-manganese stains on faces of peds and 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds and 35 percent distinct strong brown (7.5YR 5/8), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 5/3), moist, clay films on faces of peds; 1 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; gradual wavy boundary. Lab sample # MU009511
    2Bt5—107 to 127 centimeters (42.1 to 50.0 inches); 50 percent reddish brown (2.5YR 4/4) and 50 percent strong brown (7.5YR 5/6) gravelly clay; moderate medium angular blocky parts to moderate medium subangular blocky structure; firm; 3.0 fine and medium roots; 0.9 fine and medium tubular pores; 15 percent distinct brown (7.5YR 4/4), moist, clay films on faces of peds and 15 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 35 percent distinct dark reddish brown (2.5YR 3/4), moist, clay films on faces of peds; 2 percent by volume nonflat indurated 75-162-250 millimeter chert fragments and 20 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.6, hellige-truog; clear smooth boundary. Lab sample # MU009512
    2Bt6—127 to 173 centimeters (50.0 to 68.1 inches); reddish brown (2.5YR 4/4) gravelly clay; moderate fine subangular blocky structure; very firm; 0.9 very fine and fine roots; 3.0 fine tubular pores; 15 percent distinct gray (10YR 5/1), moist, clay films on faces of peds and 15 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 15 percent distinct brownish yellow (10YR 6/6), moist, clay films on faces of peds and 15 percent distinct brown (10YR 5/3), moist, clay films on rock fragments; 25 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.5, hellige-truog; clear smooth boundary. Lab sample # MU009513
    2Bt7—173 to 188 centimeters (68.1 to 74.0 inches); reddish brown (2.5YR 4/4) clay; weak fine subangular blocky structure; very firm; 0.1 very fine and fine roots; 3.0 fine tubular pores; 15 percent distinct brown (10YR 5/3), moist, clay films in root channels and/or pores and 15 percent distinct strong brown (7.5YR 5/6), moist, clay films on faces of peds and 35 percent distinct brown (7.5YR 5/4), moist, clay films on faces of peds and 75 percent faint red (2.5YR 4/6), moist, clay films on faces of peds; 5 percent by volume nonflat indurated 2-40-75 millimeter chert fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU009514