IDENTIFIERS

  • Current Taxon Name (Soil Name): Marcus
  • OSD
  • Series Extent
  • User Site ID: S1959IA041003
  • User Pedon ID: S1959IA041003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1423
  • NCSS Pedon Lab Data NASIS Record ID - 35031
  • Print Date: 11/12/2024
  • 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: 43.0583344
  • Std. Longitude: -95.2883301
  • Datum: WGS84
  • Township: 95N
  • Range: 38W
  • Section: 12
  • PLSS Details: 260 feet north of the northwest corner of the SW 1/4 of SW 1/4
  • Location Description: 380 feet east of road center.
  • State: Iowa
  • County: IA041—Clay
  • Non-MLRA Soil Survey Area: IA041—Clay County, Iowa
  • PEDON

  • Describers Name: F. J. Carlisle and R. I. Turner.
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Sampled As Information:
  • Soil Name - Marcus
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/9/1959
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: till plain
  • Landform: till plain
  • Drainage Class: poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/9/1959 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • 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

    A1p—0 to 18 centimeters (0.0 to 7.1 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; silty clay loam; weak very fine subangular blocky, and fine granular structure; firm, moderately plastic; fragments. Lab sample # 40A10988. Indistinct boundary.
    A12—18 to 30 centimeters (7.1 to 11.8 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; silty clay loam; moderate very fine subangular blocky structure; firm, moderately plastic; 3.0 fine tubular pores; fragments; gradual boundary. Lab sample # 40A10989. Few dark spherical oxide concretions about 2 mm. in diameter.
    A3—30 to 43 centimeters (11.8 to 16.9 inches); black (10YR 2/1), very dark gray (10YR 3/1), dry; silty clay loam; moderate very fine subangular blocky structure; firm, moderately plastic; 3.0 fine tubular pores; fragments; gradual boundary. Lab sample # 40A10990. A few more dark spherical oxide concretions than above; peds have distinctly shiny faces.
    B21—43 to 61 centimeters (16.9 to 24.0 inches); very dark gray (10YR 3/1), dark gray (10YR 4/1), dry; silty clay loam; moderate very fine subangular blocky structure; firm, moderately plastic; 3.0 fine tubular pores; 10 percent fine irregular light gray (10YR 7/1) carbonate concretions; fragments; clear wavy boundary. Lab sample # 40A10991. Dark spherical oxide concretions; carbonate concretions arranged in vertical rows; soil matrix is noncalcareous. Distinct shiny surfaces on peds.
    B22—61 to 76 centimeters (24.0 to 29.9 inches); very dark grayish brown (2.5Y 3/2) and dark grayish brown (2.5Y 4/2) and dark grayish brown (2.5Y 4/2) crushed silty clay loam; very dark gray (2.5Y 3/1) fine faint mottles; moderate very fine and fine subangular blocky structure; firm, moderately plastic; 3.0 fine tubular pores; 30 percent distinct clay films in root channels and/or pores; 3 percent carbonate masses and 10 percent fine irregular light gray (10YR 7/1) carbonate concretions; fragments; gradual boundary. Lab sample # 40A10992. Some spots 3 to 4 inches in diameter with calcareous matrix; distinct shiny faces on peds.
    B31—76 to 89 centimeters (29.9 to 35.0 inches); grayish brown (2.5Y 5/2) silty clay loam; 1 percent light olive brown (2.5Y 5/4) fine faint mottles; moderate fine subangular blocky parts to weak prismatic structure; firm; 3 percent carbonate concretions and 1 percent dark gray (10YR 4/1) worm casts; fragments; slight effervescence; gradual boundary. Lab sample # 40A10993. Fine dark oxide concretions.
    B32—89 to 104 centimeters (35.0 to 40.9 inches); grayish brown (2.5Y 5/2) and dark grayish brown (2.5Y 4/2) interior silty clay loam; light olive brown (2.5Y 5/3) fine distinct and olive yellow (2.5Y 6/6) fine distinct mottles; weak medium subangular blocky parts to moderate medium and coarse prismatic structure; firm; 21 percent fine light gray (10YR 7/1) carbonate concretions; fragments; slight effervescence; clear boundary. Lab sample # 40A10994
    IIC—104 to 140 centimeters (40.9 to 55.1 inches); light olive gray (5Y 6/2) and dark yellowish brown (10YR 4/4) and yellowish brown (10YR 5/6) and olive gray (5Y 5/2) interior clay loam; olive gray (5Y 5/2) mottles; weak medium and coarse prismatic structure; firm; 21.0 fine and medium tubular pores; 3 percent fine light gray (10YR 7/1) carbonate concretions; fragments; slight effervescence. Lab sample # 40A10995