IDENTIFIERS

  • Current Taxon Name (Soil Name): Virkula
  • OSD
  • Series Extent
  • User Site ID: S1999SD081002
  • User Pedon ID: 99SD081002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 00P1258
  • NCSS Pedon Lab Data NASIS Record ID - 12754
  • Print Date: 11/21/2024

    • 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: 44.2091675
  • Std. Longitude: -103.5911102
  • Datum: WGS84
  • Township: 3N
  • Range: 4E
  • Section: 24
  • PLSS Details: 950 feet South and 1950 feet East of NW corner
  • Location Description: 56 paces North from Center of road and 43 paces West of FS road marker.
  • Map Unit: 205C—Virkula-Pactola complex, 2 to 15 percent slopes
  • State: South Dakota
  • County: SD081—Lawrence
  • MLRA: 62—Black Hills
  • Non-MLRA Soil Survey Area: SD081—Lawrence County, South Dakota
  • 7.5 Minute USGS Quad: 44103-B5—Nemo, South Dakota

    • PEDON

  • Describers Name: DJ Brady
  • Current Taxonomic Class: Fine-silty, mixed, superactive, frigid Glossic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Sampled As Information:
  • Soil Name - Virkula
  • Taxonomic Class - Fine-silty, mixed, superactive, frigid Glossic Hapludalfs
  • PSC - 38 to 88 cm.
  • Classificaton Date - 7/8/1999
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: mountains
  • Landform: mountain valley
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/8/1999 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 21
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    glossic horizon

    argillic horizon

    0—38

    38—56

    56—167

    —-

    —-

    —-
    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

    —

    —

    1670

    —

    130

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 1 centimeters (0.0 to 0.4 inches); 3.0 very fine roots throughout and 1.0 medium roots throughout and 1.0 fine roots throughout; 20 percent medium faint cylindrical very dark grayish brown (10YR 3/2), moist, worm casts with clear boundaries throughout; fragments; noneffervescent, by hcl, unspecified; very abrupt wavy boundary.
    A—1 to 10 centimeters (0.4 to 3.9 inches); black (10YR 2/1), dark grayish brown (10YR 4/2), dry; silt loam; moderate medium granular structure; slightly hard, very friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout and 1.0 medium roots throughout and 0.5 coarse roots throughout; 20 percent medium distinct cylindrical very dark grayish brown (10YR 3/2), moist, worm casts with clear boundaries throughout; 1 percent by volume angular 2-?-75 millimeter schist, unspecified fragments; noneffervescent, by hcl, unspecified; abrupt wavy boundary. Lab sample # 00P07339
    E—10 to 38 centimeters (3.9 to 15.0 inches); brown (10YR 4/3), brown (10YR 5/3), dry; silt loam; weak thin platy structure; slightly hard, very friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout and 0.5 medium roots throughout and 1.0 fine roots throughout; 1.0 very fine dendritic tubular pores; 2 percent by volume angular 150-?-? millimeter schist, unspecified fragments and 5 percent by volume angular 2-?-150 millimeter schist, unspecified fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # 00P07340
    Bt/E—38 to 56 centimeters (15.0 to 22.0 inches); brown (10YR 4/3) and dark yellowish brown (10YR 4/4), brown (10YR 5/3) and yellowish brown (10YR 5/4), dry; silty clay loam; moderate medium, and fine subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 1.0 very fine roots throughout and 0.5 medium roots throughout and 1.0 fine roots throughout and 0.5 coarse roots throughout; 1.0 very fine dendritic tubular and 0.5 fine dendritic tubular pores; 40 percent faint brown (10YR 4/3), moist, sand coats on all faces of peds and 60 percent faint brown (10YR 4/3), moist, silt coats on all faces of peds; 7 percent by volume angular 2-?-150 millimeter schist, unspecified fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # 00P07341. discontinuous - phpvsfiid 205170; discontinuous - phpvsfiid 205171; discontinuous - phpvsfiid 205170; discontinuous - phpvsfiid 205171
    Bt1—56 to 83 centimeters (22.0 to 32.7 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; silty clay loam; moderate medium, and coarse subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 1.0 very fine roots throughout and 0.5 fine roots throughout; 1.0 very fine dendritic tubular pores; 20 percent prominent dark yellowish brown (10YR 4/4), moist, clay films on vertical faces of peds; 5 percent by volume angular 2-?-150 millimeter schist, unspecified fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # 00P07342
    Bt2—83 to 104 centimeters (32.7 to 40.9 inches); dark yellowish brown (10YR 4/4), yellowish brown (10YR 5/4), dry; silty clay loam; moderate medium, and coarse subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 1.0 very fine dendritic tubular and 0.5 fine dendritic tubular pores; 20 percent prominent dark yellowish brown (10YR 4/4), moist, clay films on vertical faces of peds; 10 percent by volume angular 2-?-150 millimeter schist, unspecified fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # 00P07343
    Bt3—104 to 133 centimeters (40.9 to 52.4 inches); brown (10YR 4/3), brown (10YR 5/3), dry; silty clay loam; moderate medium, and coarse subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 0.5 medium roots throughout; 0.5 very fine dendritic tubular and 0.5 fine dendritic tubular pores; 10 percent prominent brown (10YR 4/3), moist, clay films on vertical faces of peds; 5 percent by volume angular 2-?-150 millimeter schist, unspecified fragments; noneffervescent, by hcl, unspecified; gradual wavy boundary. Lab sample # 00P07344
    Bt4—133 to 167 centimeters (52.4 to 65.7 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silty clay loam; weak medium, and coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 medium roots throughout; 1.0 very fine dendritic tubular pores; 10 percent prominent brown (10YR 4/3), moist, clay films on vertical faces of peds; 2 percent faint platy noncoherent cemented dark grayish brown (10YR 4/2), moist, iron depletions with clear boundaries on surfaces along pores and 2 percent prominent platy noncoherent cemented yellowish red (5YR 4/6), moist, iron-manganese masses with clear boundaries throughout; 10 percent by volume angular 2-?-150 millimeter schist, unspecified fragments; noneffervescent, by hcl, unspecified; clear wavy boundary. Lab sample # 00P07345
    Bk—167 to 203 centimeters (65.7 to 79.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silty clay loam; weak fine, and medium subangular blocky structure; very hard, friable, moderately sticky, moderately plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 fine dendritic tubular pores; 5 percent prominent very dark brown (10YR 2/2), moist, organic stains on surfaces along root channels; 3 percent fine prominent platy strongly coherent cemented black (10YR 2/1), moist, manganese masses throughout; irregular pale brown (10YR 6/3), moist, carbonate masses and 10 percent fine and medium platy strongly coherent cemented brown ; 5 percent by volume angular 150-?-? millimeter schist, unspecified fragments and 10 percent by volume angular 2-?-150 millimeter schist, unspecified fragments; strong effervescence, by hcl, unspecified. Lab sample # 00P07346