IDENTIFIERS

  • Current Taxon Name (Soil Name): Opolis
  • OSD
  • Series Extent
  • User Site ID: 1996MO097006
  • User Pedon ID: 1996MO097006
  • User Site Association ID: 8455
  • Transect:
  • User Transect ID - 96-3
  • Transect Stop Number - 10
  • Transect Interval - 75.0
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9609706
  • NCSS Pedon Lab Data NASIS Record ID - 32471
  • Print Date: 2/16/2025
  • 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: 37.3115278
  • Std. Longitude: -94.3867667
  • Datum: WGS84
  • Township: T30N
  • Range: R31W
  • Section: 31
  • PLSS Details: 2100 feet E and 475 feet S of the NW corner
  • Location Description: NE 1/4 NW 1/4 SEC 31 T30N R31W; 2100 feet east and 475 feet south of the northwest corner of section 31
  • Map Unit: 40021—Opolis-Hepler silt loams, 1 to 15 percent slopes
  • State: Missouri
  • County: MO097—Jasper
  • MLRA: 112—Cherokee Prairies
  • Non-MLRA Soil Survey Area: MO097—Jasper County, Missouri
  • PEDON

  • Describers Name: ACP
  • Current Taxonomic Class: Fine, mixed, thermic Albaquic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: representative pedon for component
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - Opolis
  • PSC - 18 to 69 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Breaks
  • Classificaton Date - 4/3/1996
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess and/or alluvium
  • Landscape: plains
  • Geomorphic Component Hills: side slope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Runoff: medium
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/3/1996 (actual site observation date)
  • Air Photo ID: 7E
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—18

    18—203

    —-

    —-

    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

    13

    8

    283

    270

    991

    13.9

    25

    2.8

    Ap—0 to 18 centimeters (0.0 to 7.1 inches); dark grayish brown (10YR 4/2) crushed, grayish brown (10YR 5/2) crushed, dry; silt loam; moderate fine subangular blocky structure; very friable; 4.0 very fine and fine roots; 6.0 very fine and fine moderate-continuity tubular pores; 20 percent fine irregular brown (10YR 4/3) masses of oxidized iron between peds; fragments; strongly acid, pH 5.2, hellige-truog; abrupt smooth boundary. Lab sample # MU055382
    2Bt1—18 to 30 centimeters (7.1 to 11.8 inches); brown (10YR 4/3) interior silty clay; strong fine subangular blocky structure; very firm, very sticky, very plastic; 2.0 very fine and fine roots; 3.0 very fine and fine moderate-continuity tubular pores; 10 percent prominent dark grayish brown (10YR 4/2), moist, clay films on faces of peds and 80 percent prominent brown (10YR 4/3), moist, clay films on faces of peds; 15 percent fine irregular red (2.5YR 4/8) masses of oxidized iron between peds; fragments; very strongly acid, pH 5.0, hellige-truog; clear smooth boundary. Lab sample # MU055383. continuous - phpvsfiid 152065; continuous - phpvsfiid 152066; continuous - phpvsfiid 152065; continuous - phpvsfiid 152066
    2Btg2—30 to 51 centimeters (11.8 to 20.1 inches); grayish brown (10YR 5/2) interior clay; moderate medium subangular blocky structure; very firm, very sticky, very plastic; 0.3 very fine and fine roots; 1.0 very fine and fine low-continuity tubular pores; 90 percent prominent grayish brown (10YR 5/2), moist, clay films on faces of peds; 5 percent fine irregular strong brown (7.5YR 5/8) masses of oxidized iron between peds and 5 percent fine irregular red (2.5YR 4/8) masses of oxidized iron between peds; 1 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; very strongly acid, pH 5.0, hellige-truog; gradual wavy boundary. Lab sample # MU055384. continuous - phpvsfiid 152067; continuous - phpvsfiid 152067
    2Btg3—51 to 99 centimeters (20.1 to 39.0 inches); light brownish gray (10YR 6/2) interior clay; moderate fine subangular blocky structure; very firm, very sticky, very plastic; 0.1 very fine and fine roots; 1.0 very fine and fine low-continuity tubular pores; 15 percent prominent gray (10YR 6/1), moist, clay films on faces of peds and 75 percent prominent light brownish gray (10YR 6/2), moist, clay films on faces of peds; 5 percent fine irregular red (2.5YR 4/8) masses of oxidized iron between peds and 7 percent fine irregular yellowish brown (10YR 5/8) masses of oxidized iron between peds; fragments; strongly acid, pH 5.3, hellige-truog; gradual wavy boundary. Lab sample # MU055385. continuous - phpvsfiid 152068; continuous - phpvsfiid 152069; continuous - phpvsfiid 152068; continuous - phpvsfiid 152069
    2Btg4—99 to 165 centimeters (39.0 to 65.0 inches); gray (10YR 6/1) interior silty clay; moderate fine subangular blocky structure; very firm, very sticky, very plastic; 0.1 very fine and fine roots; 2.0 very fine and fine low-continuity tubular pores; 70 percent prominent gray (10YR 6/1), moist, clay films on faces of peds; 1 percent fine irregular yellowish red (5YR 5/8) masses of oxidized iron between peds and 2 percent fine irregular dark yellowish brown (10YR 4/4) masses of oxidized iron between peds and 5 percent fine irregular black (N 2/0) iron-manganese masses between peds and 30 percent fine and medium irregular yellowish brown (10YR 5/8) masses of oxidized iron between peds; fragments; moderately acid, pH 5.6, hellige-truog; gradual wavy boundary. Lab sample # MU055386. continuous - phpvsfiid 152070; continuous - phpvsfiid 152070
    2Btg5—165 to 203 centimeters (65.0 to 79.9 inches); gray (10YR 6/1) interior silty clay loam; moderate fine subangular blocky structure; very firm, very sticky, very plastic; 0.1 very fine and fine roots; 3.0 very fine and fine low-continuity tubular pores; 1 percent faint light gray (10YR 7/1), moist, silt coats on faces of peds and 1 percent prominent gray (10YR 5/1), moist, clay films on faces of peds and 50 percent prominent gray (10YR 6/1), moist, clay films on faces of peds; 7 percent fine irregular black (N 2/0) iron-manganese masses between peds and 30 percent medium and coarse irregular yellowish brown (10YR 5/8) masses of oxidized iron between peds; 1 percent by volume subangular 2-39-75 millimeter limestone, cherty fragments; neutral, pH 6.9, hellige-truog. Lab sample # MU055387. continuous - phpvsfiid 152071; patchy - phpvsfiid 152072; continuous - phpvsfiid 152073; continuous - phpvsfiid 152071; patchy - phpvsfiid 152072; continuous - phpvsfiid 152073