IDENTIFIERS

  • Current Taxon Name (Soil Name): Gelderman
  • OSD
  • Series Extent
  • User Site ID: 08-DRJ-02
  • User Pedon ID: S2008OR047002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0798
  • NCSS Pedon Lab Data NASIS Record ID - 24478
  • Print Date: 1/28/2025
  • 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: 44.8709450
  • Std. Longitude: -123.0769196
  • Datum: WGS84
  • Township: 8 S.
  • Range: 3 W.
  • Section: 17
  • Country: US—United States
  • State: Oregon
  • County: OR047—Marion
  • MLRA: 2—Willamette and Puget Sound Valleys
  • PEDON

  • Describers Name: David Johnson
  • Current Taxonomic Class: Fine, mixed, active, mesic Xeric Haplohumults
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Gelderman
  • Classificaton Date - 6/15/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Gelderman
  • Classificaton Date - 10/11/2006
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: colluvium
  • Landscape: hills
  • Landform: hillslope
  • Hill Slope Profile: shoulder
  • Slope Complexity: simple
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: moderately coherent basalt at 83cm
  • Geology: Columbia River Basalt Group group .
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/11/2006 (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

    argillic horizon

    paralithic contact

    0—23

    43—83

    83—152

    —-

    —-

    —-

    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

    20

    220.2

    90

    A—0 to 23 centimeters (0.0 to 9.1 inches); dark brown (7.5YR 3/3), brown (7.5YR 4/4), dry; silty clay loam; 15 percent sand; 28 percent clay; strong coarse granular, and strong medium granular structure; slightly hard, slightly sticky, moderately plastic; 10.0 very fine roots in cracks and 1.0 fine roots; 2 percent medium spherical iron-manganese concretions in matrix; 5 percent by volume subrounded indurated 2-?-75 millimeter basalt fragments; abrupt wavy boundary. Lab sample # 09N02675; dry when described; observed in cut
    BA—23 to 43 centimeters (9.1 to 16.9 inches); dark reddish brown (2.5YR 3/4), reddish brown (5YR 4/4), dry; silty clay loam; 15 percent sand; 30 percent clay; moderate medium subangular blocky, and moderate coarse subangular blocky structure; moderately hard, moderately sticky, moderately plastic; 5.0 very fine roots in cracks; 2 percent medium spherical iron-manganese concretions in matrix; 5 percent by volume subangular noncoherent cemented 75-?-125 millimeter basalt fragments and 5 percent by volume subangular noncoherent cemented 2-?-75 millimeter basalt fragments; clear wavy boundary. Lab sample # 09N02676; dry when described; observed in cut
    Bt—43 to 83 centimeters (16.9 to 32.7 inches); 5YR 3/6 (5YR 3/6), yellowish red (5YR 4/6), dry; gravelly silty clay loam; 15 percent sand; 32 percent clay; moderate coarse subangular blocky structure; hard, moderately sticky, moderately plastic; 3.0 very fine roots in cracks; 4 percent dark reddish brown (5YR 3/4), dry, clay films on surfaces along pores; 5 percent by volume subangular noncoherent cemented 75-?-125 millimeter basalt fragments and 15 percent by volume subangular noncoherent cemented 2-?-75 millimeter basalt fragments; abrupt wavy boundary. Lab sample # 09N02677; dry when described; observed in cut
    Cr—83 to 152 centimeters (32.7 to 59.8 inches); weathered bedrock; very hard; 0.1 very fine roots; fragments. Lab sample # 09N02678; observed in cut