IDENTIFIERS

  • Current Taxon Name (Soil Name): Pengra
  • OSD
  • Series Extent
  • User Site ID: S1996OR003003
  • User Pedon ID: S1996OR003003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 96P0349
  • NCSS Pedon Lab Data NASIS Record ID - 68427
  • Print Date: 11/11/2024

    • 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: 44.5768051
  • Std. Longitude: -123.3052750
  • Datum: WGS84
  • State: Oregon
  • County: OR003—Benton
  • Non-MLRA Soil Survey Area: OR003—Benton County, Oregon
  • 7.5 Minute USGS Quad: 44123-E3—Corvallis, Oregon

    • PEDON

  • Describers Name: Kathy Verble
  • Current Taxonomic Class: Very-fine, smectitic, mesic Vertic Epiaqualfs
  • Current Taxon Kind: taxadjunct
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Pengra
  • PSC - 42 to 92 cm.
  • Classificaton Date - 2/22/2008
  • Moisture Class - xeric
  • Sampled As Information:
  • Soil Name - SND
  • Taxonomic Class - Fine, smectitic, mesic Vertic Haploxeralf
  • Classificaton Date - 8/28/1996
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Hill Slope Profile: footslope
  • Slope Shape Across: concave
  • Slope Shape Down: linear
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/28/1996 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    argillic horizon

    0—16

    16—42

    42—153

    —-

    —-

    —-
    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

    —

    —

    —

    96

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    —

    —

    —

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    A1—0 to 7 centimeters (0.0 to 2.8 inches); grayish brown (10YR 5/2), very dark grayish brown (10YR 3/2), moist; mucky* silt loam; moderate medium massive; slightly hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots; fragments; clear smooth boundary. Lab sample # 96P02714
    A2—7 to 16 centimeters (2.8 to 6.3 inches); grayish brown (10YR 5/2), dark grayish brown (10YR 4/2), moist; silt loam; weak coarse subangular blocky parts to moderate fine subangular blocky structure; hard, friable, slightly sticky, slightly plastic; 21.0 very fine roots; fine yellowish red (5YR 4/6) masses of oxidized iron and 1 percent fine magnetic shot and 21 percent fine strong brown (7.5YR 4/6) masses of oxidized iron; yellowish red (5YR 5/6) and strong brown (7.5YR 5/6); fragments; clear smooth boundary. Lab sample # 96P02715
    B/E—16 to 27 centimeters (6.3 to 10.6 inches); light brownish gray (10YR 6/2) and strong brown (7.5YR 5/6) and yellowish brown (10YR 5/4), 30 percent dark grayish brown (10YR 4/2) and 50 percent dark yellowish brown (10YR 4/6) and strong brown (7.5YR 4/6) and yellowish brown (10YR 5/6) and 20 percent dark yellowish brown (10YR 4/4), moist; silt loam; moderate medium subangular blocky structure; very hard, firm, slightly sticky, slightly plastic; 3.0 very fine roots and 0.5 fine roots; 0.5 fine tubular pores; 30 percent prominent black (N 2/0) manganese or iron-manganese stains on faces of peds; fine iron-manganese concretions; fragments; clear smooth boundary. Lab sample # 96P02716. Few distinct oxidized rhizospheres. Fe-Mn concretions <1.0mm
    E/B—27 to 42 centimeters (10.6 to 16.5 inches); light gray (10YR 7/2) and reddish yellow (7.5YR 6/6), 50 percent grayish brown (10YR 5/2) and 35 percent yellowish brown (10YR 5/6) and strong brown (7.5YR 5/6) and brownish yellow (10YR 6/6), moist; silty clay loam; moderate coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots; 0.5 fine tubular pores; fine iron-manganese concretions and 15 percent fine strong brown (7.5YR 4/6) masses of oxidized iron; strong brown (7.5YR 5/6); fragments; abrupt wavy boundary. Lab sample # 96P02717. Fe-Mn concretions <1.0mm
    2Bt—42 to 91 centimeters (16.5 to 35.8 inches); light brownish gray (2.5Y 6/2), dark grayish brown (2.5Y 4/2), moist; silty clay; massive; very hard, firm, moderately sticky, moderately plastic; 3.0 very fine roots; 10 percent distinct clay films in root channels and/or pores; fine yellowish brown (10YR 5/8) masses of oxidized iron and fine iron concretions; brownish yellow (10YR 6/8); fragments; gradual smooth boundary. Lab sample # 96P02718. Few distinct slickensides starting at 65 cm
    3Bsst—91 to 120 centimeters (35.8 to 47.2 inches); light brownish gray (2.5Y 6/2) and light yellowish brown (2.5Y 6/3), dark grayish brown (2.5Y 4/2) and light olive brown (2.5Y 5/3), moist; silty clay; massive; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 10 percent faint clay films in root channels and/or pores; 1 percent fine black (N 2/0) iron-manganese masses and 3 percent fine yellowish brown (10YR 5/6) masses of oxidized iron; yellowish brown (10YR 5/6); fragments; gradual smooth boundary. Lab sample # 96P02719. Many distinct slickensides
    3Bssty1—120 to 135 centimeters (47.2 to 53.1 inches); light yellowish brown (2.5Y 6/4) and light yellowish brown (2.5Y 6/3), light olive brown (2.5Y 5/4) and light olive brown (2.5Y 5/3), moist; silty clay; massive; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 0.5 very fine tubular pores; 1 percent faint clay films in root channels and/or pores and 10 percent distinct clay films on faces of peds; 1 percent fine black (N 2/0) iron-manganese masses and 3 percent fine yellowish brown (10YR 5/6) masses of oxidized iron; yellowish brown (10YR 5/6) and 3 percent fine ; 1 percent by volume 20-48-75 millimeter sandstone, unspecified fragments; gradual smooth boundary. Lab sample # 96P02720. Common fine black manganese nodules. Many distinct slickensides. Few medium distinct and few fine distinct clear gypsum crystals and few fine and few medium prominent white gypsum crystal clusters.
    3Bssty2—135 to 153 centimeters (53.1 to 60.2 inches); light yellowish brown (2.5Y 6/4), light olive brown (2.5Y 5/4), moist; silty clay; weak coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 0.5 very fine roots; 10 percent prominent black (N 2/0) manganese or iron-manganese stains on faces of peds and 10 percent distinct black (N 2/0) coats on sand and gravel and 10 percent prominent clay films in root channels and/or pores and 10 percent distinct clay films on faces of peds; 5 percent by volume 20-48-75 millimeter sandstone, unspecified fragments; gradual smooth boundary. Lab sample # 96P02721. Few fine manganese nodules. Many distinct slickensides. Few fine prominent white gypsum crystal clusters.
    4Crt—153 to 175 centimeters (60.2 to 68.9 inches); pale yellow (2.5Y 7/3) and brownish yellow (10YR 6/8), light yellowish brown (2.5Y 6/3) and yellowish brown (10YR 5/8), moist; weathered bedrock; 10 percent distinct clay films in root channels and/or pores and 10 percent distinct clay films and 30 percent prominent black (N 2/0) manganese or iron-manganese stains; fragments. Lab sample # 96P02722. Bedrock is sandstone with uncommon prominent black (N2.5/) manganese stains on fracture surfaces.