IDENTIFIERS

  • Current Taxon Name (Soil Name): Eldon
  • OSD
  • Series Extent
  • User Site ID: 1991MO167050S
  • User Pedon ID: 1991MO167050
  • Vegetation Plot ID: S1991MO167050
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0059
  • Print Date: 9/23/2024

    • 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: 37.5619431
  • Std. Longitude: -93.4005585
  • Datum: WGS84
  • State: Missouri
  • County: MO167—Polk
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO167—Polk County, Missouri

    • PEDON

  • Current Taxonomic Class: Clayey-skeletal, mixed Mollic Paleudalfs
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 50
  • Sampled As Information:
  • Soil Name - Eldon
  • Taxonomic Class - Clayey-skeletal, mixed Mollic Paleudalfs
  • Taxon Kind - series
  • PSC - 25 to 75 cm.
  • Classificaton Date - 9/10/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loess and/or residuum
  • Landscape: hills
  • Landform: ridge
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Shape Across: concave
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/10/1991 (actual site observation date)
  • Air Photo ID: 93129
  • 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

    ANDRO2

    Andropogon

    bluestem

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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

    1

    107

    61

    368

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    135

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    A—0 to 25 centimeters (0.0 to 9.8 inches); very dark gray (10YR 3/1), dark grayish brown (10YR 4/2), dry; silt loam; 18 percent sand; weak very fine granular structure; friable; 21.0 very fine and fine roots and 3.0 medium roots; 10 percent by volume 2-39-75 millimeter unspecified fragments and 10 percent by volume 75-162-250 millimeter unspecified fragments; slightly acid, pH 6.2, hellige-truog; clear wavy boundary. Lab sample # 92P00409
    Bt1—25 to 41 centimeters (9.8 to 16.1 inches); very dark grayish brown (10YR 3/2) and dark brown (10YR 3/3), dark grayish brown (10YR 4/2) and brown (10YR 5/3), dry; silty clay loam; 32 percent clay; weak very fine subangular blocky structure; friable; 21.0 very fine roots and 3.0 fine roots; faint clay films on faces of peds; 3 percent by volume 75-162-250 millimeter unspecified fragments and 37 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # 92P00410. continuous - phpvsfiid 191159; continuous - phpvsfiid 191159
    Bt2—41 to 58 centimeters (16.1 to 22.8 inches); yellowish brown (10YR 5/4) silty clay loam; 35 percent clay; 3 percent yellowish red (5YR 5/6) fine prominent mottles; moderate very fine subangular blocky structure; firm; 3.0 very fine and fine roots; distinct clay films on faces of peds; 15 percent by volume 75-162-250 millimeter unspecified fragments and 55 percent by volume 2-39-75 millimeter unspecified fragments; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary. Lab sample # 92P00411. continuous - phpvsfiid 191160; continuous - phpvsfiid 191160
    2Bt3—58 to 91 centimeters (22.8 to 35.8 inches); strong brown (7.5YR 5/6) and reddish yellow (7.5YR 6/6) silty clay loam; 38 percent clay; 21 percent red (2.5YR 4/6) fine prominent mottles; moderate very fine subangular blocky structure; firm; 3.0 very fine roots between peds; dark gray (10YR 4/1) clay films and light gray (10YR 7/2) clay films and gray (10YR 5/1) clay films; 25 percent by volume 2-39-75 millimeter unspecified fragments and 40 percent by volume 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 92P00412
    2Bt4—91 to 112 centimeters (35.8 to 44.1 inches); strong brown (7.5YR 4/6) silty clay; 42 percent clay; 3 percent red (2.5YR 4/6) fine prominent mottles; moderate very fine subangular blocky structure; firm; 0.5 very fine roots; 10 percent grayish brown (10YR 5/2) clay films on faces of peds and 75 percent clay films on faces of peds; 1 percent coarse iron-manganese concretions; 5 percent by volume 2-39-75 millimeter unspecified fragments and 15 percent by volume 75-162-250 millimeter unspecified fragments; strongly acid, pH 5.5, hellige-truog; clear wavy boundary. Lab sample # 92P00413. patchy - phpvsfiid 191164; patchy - phpvsfiid 191165; patchy - phpvsfiid 191164; patchy - phpvsfiid 191165
    3Bt5—112 to 140 centimeters (44.1 to 55.1 inches); strong brown (7.5YR 4/6) silty clay; 52 percent clay; 3 percent reddish yellow (7.5YR 6/6) fine prominent mottles; moderate very fine angular blocky structure; firm; 0.5 very fine roots; 10 percent pressure faces and 75 percent clay films on faces of peds; 1 percent coarse iron-manganese concretions; 5 percent by volume 75-162-250 millimeter unspecified fragments and 19 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; clear wavy boundary. Lab sample # 92P00414. patchy - phpvsfiid 191166; patchy - phpvsfiid 191166
    3Bt6—140 to 165 centimeters (55.1 to 65.0 inches); yellowish red (5YR 5/6) silty clay loam; 36 percent clay; 1 percent red (2.5YR 5/6) fine prominent mottles; weak very fine angular blocky structure; firm; 75 percent clay films on faces of peds; 10 percent by volume 2-39-75 millimeter unspecified fragments; slightly acid, pH 6.4, hellige-truog; gradual wavy boundary. Lab sample # 92P00415. at 58"""", in west third of pit, is a shelf of bedrock, most likely a large """"flatter-shaped"""" boulder, a floater of finely-crystalline, hard, mostly non-fossiliferous magnesian ls. or limestone, with calcite-filled small vugs and cracks(i.e. Pierson fm.); discontinuous - phpvsfiid 191168; discontinuous - phpvsfiid 191168
    3Bt7—165 to 183 centimeters (65.0 to 72.0 inches); brownish yellow (10YR 6/6) silty clay; 39 percent clay; 1 percent red (2.5YR 4/8) fine prominent mottles; weak very fine angular blocky structure; firm; 75 percent clay films on faces of peds; fragments; neutral, pH 7.1, hellige-truog; gradual wavy boundary. Lab sample # 92P00416. sampled with spade and hand auger; boundaries uncertain, but estimated to be gradual/smooth; patchy - phpvsfiid 191169; patchy - phpvsfiid 191169
    Cr1—183 to 216 centimeters (72.0 to 85.0 inches); yellow (2.5Y 7/6) and yellow (2.5Y 8/6) and yellow (10YR 8/6) clay loam; weak very fine angular blocky structure; firm; 10 percent clay films on faces of peds; fragments; moderately alkaline, pH 8.0, hellige-truog; gradual smooth boundary. Lab sample # 92P00417. sampled with spade and hand auger; boundaries uncertain, but estimated to be gradual/smooth; patchy - phpvsfiid 191170; patchy - phpvsfiid 191170
    Cr2—216 to 241 centimeters (85.0 to 94.9 inches); strong brown (7.5YR 4/6) and yellowish red (5YR 4/6) silty clay loam; 38 percent clay; weak coarse prismatic parts to weak fine subangular blocky structure; very firm; fragments; slightly alkaline, pH 7.8, hellige-truog. Lab sample # 92P00418. sampled with spade and hand auger; boundaries uncertain, but estimated to be gradual/smooth
    Cr3—241 to 284 centimeters (94.9 to 111.8 inches); strong brown (7.5YR 4/6) clay; 60 percent clay; massive; firm; 3 percent platy very pale brown (10YR 7/4) iron-manganese masses; fragments; slightly alkaline, pH 7.6, hellige-truog. Lab sample # 92P00419. sampled with spade and hand auger; boundaries uncertain, but estimated to be gradual/smooth
    Cr4—284 to 310 centimeters (111.8 to 122.0 inches); strong brown (7.5YR 5/6) clay; 65 percent clay; massive; firm; fragments; slightly alkaline, pH 7.8, hellige-truog. Lab sample # 92P00420. sampled with spade and hand auger; boundaries uncertain, but estimated to be gradual/smooth