IDENTIFIERS

  • Current Taxon Name (Soil Name): Chehalem
  • OSD
  • Series Extent
  • User Site ID: S2006OR071016
  • User Pedon ID: S2006OR071016
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 06N1056
  • NCSS Pedon Lab Data NASIS Record ID - 19009
  • Print Date: 11/23/2024

    • 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: 45.3814163
  • Std. Longitude: -123.2345276
  • Datum: WGS84
  • Township: 2S
  • Range: 4W
  • Section: 19
  • State: Oregon
  • County: OR071—Yamhill
  • MLRA: 2—Willamette and Puget Sound Valleys
  • Non-MLRA Soil Survey Area: OR071—Yamhill County, Oregon
  • 7.5 Minute USGS Quad: 45123-D2—Gaston, Oregon

    • PEDON

  • Describers Name: R. Langridge
  • Current Taxonomic Class: Fine, smectitic, mesic Vertic Argixerolls
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 16
  • Sampled As Information:
  • Soil Name - Chehalem
  • Taxonomic Class - Fine, smectitic, mesic Vertic Argixerolls
  • PSC - 20 to 70 cm.
  • Classificaton Date - 8/14/2006
  • Soil Taxonomic Edition - tenth edition
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope loamy alluvium derived from basalt over clayey colluvium derived from basalt
  • Landform: hill
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: toeslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: concave
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Geology: Diabase formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/14/2006 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - pastureland, tame
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    argillic horizon

    0—94

    20—152

    —-

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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

    3

    —

    —

    74

    —

    150

    —

    —

    —

    —

    —

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    Ap1—0 to 8 centimeters (0.0 to 3.1 inches); brown (10YR 4/3) broken face, very dark grayish brown (10YR 3/2) broken face, moist; silty clay loam; moderate fine granular, and moderate very fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 6.0 very fine roots throughout and 3.0 fine roots throughout; 6.0 very fine tubular and 3.0 fine tubular pores; fragments; abrupt smooth boundary. Lab sample # 06N04582; observed in trench
    Ap2—8 to 20 centimeters (3.1 to 7.9 inches); brown (10YR 4/3) broken face, very dark grayish brown (10YR 3/2) broken face, moist; silty clay loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; moderately hard, friable, moderately sticky, moderately plastic; 6.0 very fine roots throughout and 3.0 fine roots throughout; 6.0 very fine tubular and 3.0 fine tubular pores; fragments; abrupt smooth boundary. Lab sample # 06N04583; observed in trench
    Bt1—20 to 61 centimeters (7.9 to 24.0 inches); brown (10YR 4/3) broken face, very dark grayish brown (10YR 3/2) broken face, moist; silty clay; moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 6.0 very fine roots throughout and 3.0 fine roots throughout; 6.0 very fine tubular and 3.0 fine tubular pores; 30 percent distinct dusky red (7.5R 3/2), dry, and dark brown (7.5YR 3/3), dry, clay films on all faces of peds and 30 percent distinct dark brown (7.5YR 3/2), dry, and dark brown (7.5YR 3/3), dry, clay films on surfaces along pores; fragments; clear smooth boundary. Lab sample # 06N04584; observed in trench
    Bt2—61 to 94 centimeters (24.0 to 37.0 inches); brown (10YR 4/3) broken face, dark brown (10YR 3/3) broken face, moist; silty clay; moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 0.5 fine roots throughout; 6.0 very fine tubular and 6.0 fine tubular pores; 20 percent distinct dark brown (7.5YR 3/2), dry, and dark brown (7.5YR 3/3), dry, clay films on all faces of peds and 20 percent distinct dark brown (7.5YR 3/2), dry, and dark brown (7.5YR 3/3), dry, clay films on surfaces along pores; fragments; gradual smooth boundary. Lab sample # 06N04585; observed in trench
    Bt3—94 to 117 centimeters (37.0 to 46.1 inches); yellowish brown (10YR 5/4) broken face, brown (10YR 4/3) broken face, moist; silty clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots throughout and 0.5 fine roots throughout; 6.0 very fine tubular and 6.0 fine tubular pores; 12 percent distinct dark brown (7.5YR 3/3), dry, and dark brown (7.5YR 3/4), dry, clay films on surfaces along pores and 13 percent distinct dark brown (7.5YR 3/3), dry, and dark brown (7.5YR 3/4), dry, clay films on all faces of peds; 2 percent fine very dark brown (10YR 2/2), dry, iron-manganese concretions in matrix; fragments; clear smooth boundary. Lab sample # 06N04586; observed in trench
    BCt—117 to 152 centimeters (46.1 to 59.8 inches); light yellowish brown (10YR 6/4) broken face, brown (10YR 4/3) broken face, moist; silty clay; moderate coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots between peds and 0.5 fine roots between peds; 6.0 very fine tubular and 6.0 fine tubular pores; 7 percent prominent brown (7.5YR 4/3), dry, clay films on surfaces along pores and 8 percent prominent brown (7.5YR 4/3), dry, clay films on all faces of peds; 10 percent fine prominent grayish brown (10YR 5/2), dry, iron depletions on surfaces along root channels and 15 percent medium prominent very dark brown (10YR 2/2), dry, iron-manganese concretions in matrix; fragments. Lab sample # 06N04587; observed in trench