IDENTIFIERS

  • Current Taxon Name (Soil Name): Marvan
  • OSD
  • Series Extent
  • User Site ID: S1971MT013003
  • User Pedon ID: S1971MT013003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 40A3719
  • 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: 47.5893478
  • Std. Longitude: -111.4950485
  • Datum: WGS84
  • Township: 21N
  • Range: 2E
  • Section: 8
  • PLSS Details: 1/2 mile south and 150 feet west of NE corner
  • State: Montana
  • County: MT013—Cascade
  • MLRA: 58A—Northern Rolling High Plains, Northern Part
  • Non-MLRA Soil Survey Area: MT613—Cascade County Area, Montana

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, frigid Sodic Haplusterts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Marvan
  • Classificaton Date - 2/14/2024
  • Sampled As Information:
  • Soil Name - Marvan
  • Classificaton Date - 9/1/1971
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: plains
  • Landform: stream terrace
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1971 (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

    —

    —

    1036

    —

    —

    —

    —

    7.2

    18.3

    -4.4

    —

    —

    —

    —

    —

    —

    —

    —
    AP—0 to 10 centimeters (0.0 to 3.9 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silty clay; moderate very fine granular structure; very hard, friable, very sticky, very plastic; 21.0 fine roots; fragments; strong effervescence, by hcl, unspecified; abrupt wavy boundary. Lab sample # 40A28659
    C1—10 to 28 centimeters (3.9 to 11.0 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silty clay; moderate very fine and fine subangular blocky structure; extremely hard, firm, very sticky, very plastic; 21.0 fine roots; 0.5 medium and 21.0 fine pores; fragments; strong effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 40A28660
    C2CS—28 to 52 centimeters (11.0 to 20.5 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; silty clay; moderate very fine and fine subangular blocky structure; extremely hard, friable, very sticky, very plastic; 3.0 fine roots; 0.5 medium and 21.0 fine pores; 21 percent fine and medium gypsum crystals, unspecified; fragments; strong effervescence, by hcl, unspecified; diffuse wavy boundary. Lab sample # 40A28661
    C3CS—52 to 87 centimeters (20.5 to 34.3 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silty clay; weak fine and medium subangular blocky structure; extremely hard, friable, very sticky, very plastic; 0.5 fine roots; 0.5 fine pores; 21 percent gypsum crystals, unspecified and 21 percent opal; fragments; strong effervescence, by hcl, unspecified; diffuse wavy boundary. Lab sample # 40A28662
    C4CS—87 to 122 centimeters (34.3 to 48.0 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2) and dark gray (2.5Y 4/1), moist; silt loam; massive; extremely hard, firm, very sticky, very plastic; 0.5 fine roots; 0.5 fine pores; 21 percent fine gypsum crystals, unspecified and 21 percent fine opal; fragments; strong effervescence, by hcl, unspecified; diffuse wavy boundary. Lab sample # 40A28663
    C5CS—122 to 163 centimeters (48.0 to 64.2 inches); gray (2.5Y 5/1) and dark grayish brown (2.5Y 4/2), grayish brown (2.5Y 5/2) and very dark gray (5Y 3/1), moist; silty clay; strong very fine and fine platy structure; extremely hard, firm, moderately sticky, very plastic; 0.5 fine roots; 0.5 fine pores; 21 percent gypsum crystals, unspecified; fragments; strong effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 40A28664
    C6CS—163 to 203 centimeters (64.2 to 79.9 inches); dark gray (5Y 4/1), gray (5Y 5/1), moist; silty clay; strong very fine and fine platy structure; extremely hard, firm, moderately sticky, very plastic; 1 percent medium gypsum crystals, unspecified; fragments; noneffervescent. Lab sample # 40A28665