IDENTIFIERS

  • Current Taxon Name (Soil Name): Noark
  • OSD
  • Series Extent
  • User Site ID: 1994MO067048M
  • User Pedon ID: 1994MO067048
  • Vegetation Plot ID: 1994MO067048
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9406721
  • Print Date: 5/19/2024

    • 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: 37.0495841
  • Std. Longitude: -92.8769657
  • Datum: WGS84
  • Township: T27N
  • Range: R18W
  • Section: 11
  • PLSS Details: 200 feet W and 1200 feet N of the center
  • Location Description: 200 ft. west and 1200 ft. north of the center of sec. 11, T27N, R18W
  • Map Unit: 73325—Clarksville extremely gravelly silt loam, 15 to 50 percent slopes
  • State: Missouri
  • County: MO067—Douglas
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO067—Douglas County, Missouri

    • PEDON

  • Describers Name: Gary Lindgren & Bill Shields
  • Current Taxonomic Class: Clayey-skeletal, mixed, semiactive, mesic Typic Paleudults
  • Current Taxon Kind: series
  • Pedon Type: within range of map unit
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Noark
  • PSC - 59 to 109 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Clarksville
  • Taxonomic Class - Loamy-skeletal, siliceous, semiactive, mesic Typic Paleudults
  • Taxon Kind - series
  • Classificaton Date - 10/3/1994
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: unconsolidated sediments derived from dolomite
  • Landscape: plateau
  • Landform: V-shaped valley
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Slope Position: on a slope
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Runoff: high
  • Drainage Class: somewhat excessively
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/3/1994 (actual site observation date)
  • Air Photo ID: 2249-33
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PLATA

    QUVE

    Platanus

    Quercus velutina

    sycamore

    black oak

    —

    —

    —

    —

    —

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

    ochric epipedon

    argillic horizon

    0—56

    56—216

    —-

    —-
    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

    37

    —

    —

    475

    —

    230

    1092

    —

    —

    12.8

    —

    —

    —

    —

    —

    —

    —

    5227

    Mansfield

    TAPS
    Oi—0 to 3 centimeters (0.0 to 1.2 inches); slightly decomposed plant material; fragments. Slightly decomposed oak leaf litter.
    A—3 to 13 centimeters (1.2 to 5.1 inches); brown (10YR 5/3) very gravelly silt loam; weak very fine and fine subangular blocky parts to moderate fine granular structure; friable; 6.0 fine and medium roots throughout and 0.5 coarse roots throughout; 6.0 fine vesicular and tubular pores; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; abrupt smooth boundary. Lab sample # MU049829
    E—13 to 31 centimeters (5.1 to 12.2 inches); light yellowish brown (10YR 6/4) extremely gravelly silt loam; weak thin platy structure; friable; 3.0 fine and medium roots throughout and 0.5 coarse roots throughout; 6.0 fine vesicular and tubular pores; 10 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear smooth boundary. Lab sample # MU049830
    EB—31 to 59 centimeters (12.2 to 23.2 inches); light yellowish brown (10YR 6/4) extremely gravelly silt loam; moderate fine and medium subangular blocky structure; friable; 3.0 fine and medium roots throughout; 6.0 fine vesicular and tubular pores; 20 percent prominent strong brown (7.5YR 5/8) clay films in root channels and/or pores; 15 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 65 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU049831. continuous - phpvsfiid 127750; continuous - phpvsfiid 127750
    Bt1—59 to 89 centimeters (23.2 to 35.0 inches); strong brown (7.5YR 5/6) extremely gravelly silt loam; moderate fine subangular blocky structure; friable; 6.0 fine and medium roots between peds and 0.5 coarse roots between peds; 6.0 fine vesicular and tubular pores; 10 percent distinct yellowish red (5YR 4/6) clay films in root channels and/or pores and 10 percent prominent yellowish red (5YR 5/6) clay films in root channels and/or pores and 40 percent prominent very pale brown (10YR 8/3) coats on faces of peds; 20 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.2, hellige-truog; clear wavy boundary. Lab sample # MU049832. discontinuous - phpvsfiid 130852; discontinuous - phpvsfiid 130853; discontinuous - phpvsfiid 130854; discontinuous - phpvsfiid 130852; discontinuous - phpvsfiid 130853; discontinuous - phpvsfiid 130854
    2Bt2—89 to 105 centimeters (35.0 to 41.3 inches); strong brown (7.5YR 5/6) very gravelly silty clay; moderate fine and medium subangular blocky structure; firm; 3.0 very fine and fine roots between peds; 6.0 fine vesicular and tubular pores; 10 percent prominent very pale brown (10YR 7/3) coats in root channels and/or pores and 20 percent prominent red (2.5YR 4/6) clay films in root channels and/or pores; 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.9, hellige-truog; abrupt smooth boundary. Lab sample # MU049833. continuous - phpvsfiid 130855; continuous - phpvsfiid 130856; continuous - phpvsfiid 130855; continuous - phpvsfiid 130856
    2Bt3—105 to 148 centimeters (41.3 to 58.3 inches); yellowish red (5YR 4/6) and strong brown (7.5YR 5/6) extremely cobbly clay; moderate fine and medium angular blocky structure; firm; 3.0 very fine and fine roots between peds and 0.5 coarse roots between peds; 3.0 fine vesicular and tubular pores; 3 percent prominent dark red (10R 3/6) clay films in root channels and/or pores and 40 percent prominent red (2.5YR 4/6) clay films on faces of peds; 25 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 45 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU049834. discontinuous - phpvsfiid 130858; continuous - phpvsfiid 130857; discontinuous - phpvsfiid 130858; continuous - phpvsfiid 130857
    2Bt4—148 to 166 centimeters (58.3 to 65.4 inches); strong brown (7.5YR 5/6) extremely gravelly silty clay; 1 percent light gray (10YR 7/2) fine prominent mottles; moderate fine angular blocky structure; firm; 3.0 very fine and fine roots between peds and 0.5 coarse roots between peds; 3.0 fine vesicular and tubular pores; 3 percent prominent very pale brown (10YR 8/2) coats on faces of peds and 15 percent prominent red (2.5YR 4/6) clay films on faces of peds; 20 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 40 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.8, hellige-truog; clear wavy boundary. Lab sample # MU049835. discontinuous - phpvsfiid 130860; continuous - phpvsfiid 130859; discontinuous - phpvsfiid 130860; continuous - phpvsfiid 130859
    2Bt5—166 to 186 centimeters (65.4 to 73.2 inches); yellowish red (5YR 5/6) and strong brown (7.5YR 5/8) extremely gravelly clay; moderate fine angular blocky structure; very firm; 0.5 fine roots between peds; 3.0 fine vesicular and tubular pores; 4 percent prominent light gray (10YR 7/2) clay films in root channels and/or pores and 55 percent prominent red (2.5YR 4/6) clay films on faces of peds; 10 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 20 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU049836. discontinuous - phpvsfiid 130862; continuous - phpvsfiid 130861; discontinuous - phpvsfiid 130862; continuous - phpvsfiid 130861
    2Bt6—186 to 204 centimeters (73.2 to 80.3 inches); yellowish red (5YR 5/6) and strong brown (7.5YR 5/6) extremely gravelly clay; moderate fine and medium subangular blocky structure; very firm; 0.5 fine roots between peds; 3.0 fine vesicular and tubular pores; 4 percent prominent light gray (10YR 7/2) clay films in root channels and/or pores and 20 percent prominent red (2.5YR 4/6) clay films on faces of peds; 15 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 55 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog; clear smooth boundary. Lab sample # MU049837. continuous - phpvsfiid 130863; discontinuous - phpvsfiid 130864; continuous - phpvsfiid 130863; discontinuous - phpvsfiid 130864
    2Bt7—204 to 219 centimeters (80.3 to 86.2 inches); brownish yellow (10YR 6/8) and strong brown (7.5YR 5/6) extremely gravelly clay; moderate medium subangular blocky structure; very firm; 3.0 fine vesicular and tubular pores; 3 percent prominent light gray (10YR 7/2) clay films in root channels and/or pores and 40 percent prominent red (2.5YR 4/6) clay films on faces of peds; 15 percent by volume angular 75-162-250 millimeter limestone, cherty fragments and 30 percent by volume angular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 4.7, hellige-truog. Lab sample # MU049838. discontinuous - phpvsfiid 127751; discontinuous - phpvsfiid 127752; discontinuous - phpvsfiid 127751; discontinuous - phpvsfiid 127752