IDENTIFIERS

  • Current Taxon Name (Soil Name): BIGRIDGE
  • OSD
  • Series Extent
  • User Site ID: 716-L
  • User Pedon ID: 716-L
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 01N0268
  • NCSS Pedon Lab Data NASIS Record ID - 14542
  • Print Date: 12/4/2024

    • 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: 39.6115194
  • Std. Longitude: -121.4143472
  • Datum: WGS84
  • Township: 20N.
  • Range: 5E.
  • Section: 9
  • PLSS Details: approximately 1300 feet west and 750 feet south of the northeast corner
  • Location Description: about 6.25 miles northeast of Oroville Dam
  • Map Unit: 564—Bigridge-Minniecreek , 50 to 70 percent slopes
  • State: California
  • County: CA007—Butte
  • MLRA: 18—Sierra Nevada Foothills
  • Non-MLRA Soil Survey Area: CA612—Butte Area, California, Parts of Butte and Plumas Counties
  • 7.5 Minute USGS Quad: 39121-E4—Oroville Dam, California

    • PEDON

  • Describers Name: Dean Burkett
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Ultic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - BIGRIDGE
  • PSC - 23 to 69 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - BIGRIDGE
  • Classificaton Date - 7/27/1999
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium derived from metavolcanics over residuum weathered from metavolcanics
  • Landscape: foothills
  • Geomorphic Component Hills: nose slope
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Bedrock: metavolcanics at 129cm
  • Geology: Smartville Metavolcanics formation.
  • Surface Fragments: 30.00 percent nonflat subangular 2- to 75-millimeter metavolcanics, 5.00 percent nonflat subangular 250- to 600-millimeter metavolcanics, 5.00 percent nonflat subangular 75- to 250-millimeter metavolcanics,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/27/1999 (actual site observation date)
  • Air Photo ID: 205-104
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - intermixed conifers and hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID - wood5
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    —

    129 - 157

    - 27 -

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    paralithic contact

    3—23

    23—69

    130—157

    —20—

    —46—

    —27—
    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

    56

    —

    —

    610

    —

    300

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oe—0 to 3 centimeters (0.0 to 1.2 inches); moderately decomposed plant material; fragments; abrupt smooth boundary.
    A—3 to 13 centimeters (1.2 to 5.1 inches); brown (7.5YR 5/4), dark reddish brown (5YR 3/3), moist; loam; 16 percent clay; moderate fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 7.0 fine roots throughout; 4.0 medium interstitial and 4.0 fine tubular pores; 15 percent by volume nonflat subangular 2-?-75 millimeter metavolcanics fragments; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary. Lab sample # 1P1595; dry when described;
    BAt—13 to 23 centimeters (5.1 to 9.1 inches); yellowish red (5YR 5/6), dark reddish brown (5YR 3/4), moist; gravelly loam; 19 percent clay; strong fine subangular blocky structure; soft, friable, slightly sticky, slightly plastic; 7.0 very fine and fine roots throughout and 4.0 medium roots throughout; 4.0 medium tubular and 7.0 fine tubular pores; 20 percent distinct clay films on all faces of peds; 25 percent by volume nonflat subangular 2-?-75 millimeter metavolcanics fragments; slightly acid, pH 6.3, hellige-truog; abrupt wavy boundary. Lab sample # 1P1596; dry when described;. discontinuous - phpvsfiid 207602; discontinuous - phpvsfiid 207602
    Bt1—23 to 38 centimeters (9.1 to 15.0 inches); yellowish red (5YR 5/6), dark reddish brown (5YR 3/4), moist; gravelly loam; 20 percent clay; strong fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 4.0 fine and medium roots throughout and 0.8 coarse roots throughout; 4.0 medium tubular and 7.0 fine tubular pores; 20 percent distinct clay films on all faces of peds and 20 percent distinct clay films on surfaces along pores; 20 percent by volume nonflat subangular 2-?-75 millimeter metavolcanics fragments; slightly acid, pH 6.3, hellige-truog; clear wavy boundary. Lab sample # 1P1597; dry when described;. discontinuous - phpvsfiid 207603; continuous - phpvsfiid 207609; discontinuous - phpvsfiid 207603; continuous - phpvsfiid 207609
    Bt2—38 to 51 centimeters (15.0 to 20.1 inches); yellowish red (5YR 5/6), dark red (2.5YR 3/6), moist; gravelly loam; 21 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 4.0 fine roots throughout and 0.8 coarse roots throughout; 0.8 medium tubular and 4.0 fine tubular pores; 40 percent prominent clay films on surfaces along pores; 25 percent by volume nonflat subangular 2-?-75 millimeter metavolcanics fragments; moderately acid, pH 5.8, hellige-truog; clear wavy boundary. Lab sample # 1P1598; dry when described;. continuous - phpvsfiid 207604; continuous - phpvsfiid 207604
    BCt1—51 to 69 centimeters (20.1 to 27.2 inches); yellowish red (5YR 5/6), dark reddish brown (2.5YR 3/4), moist; very gravelly loam; 20 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.8 fine roots throughout and 0.8 coarse roots throughout; 0.8 medium tubular and 7.0 fine tubular pores; 40 percent prominent clay films on bottom of rock fragments; 50 percent by volume nonflat subangular 2-?-75 millimeter metavolcanics fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 191599; dry when described;. continuous - phpvsfiid 207605; continuous - phpvsfiid 207605
    BCt2—69 to 91 centimeters (27.2 to 35.8 inches); yellowish red (5YR 5/6), dark reddish brown (2.5YR 3/4), moist; extremely gravelly loam; 17 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; 0.8 very coarse roots throughout and 0.8 fine roots throughout and 4.0 coarse roots throughout; 4.0 fine tubular pores; 10 percent faint clay films on all faces of peds; 85 percent by volume nonflat subangular 2-?-75 millimeter metavolcanics fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 1P15600; dry when described;. discontinuous - phpvsfiid 207606; discontinuous - phpvsfiid 207606
    BCt3—91 to 129 centimeters (35.8 to 50.8 inches); reddish yellow (7.5YR 7/6), yellowish red (5YR 5/8), moist; very gravelly loam; 18 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 4.0 fine and medium roots throughout and 4.0 coarse roots throughout; 0.8 fine tubular pores; 60 percent distinct clay films on surfaces along pores; 40 percent by volume nonflat subangular 2-?-75 millimeter metavolcanics fragments; slightly acid, pH 6.3, hellige-truog; abrupt smooth boundary. Lab sample # 1P15601; dry when described;. continuous - phpvsfiid 207607; continuous - phpvsfiid 207607
    Crt—129 to 157 centimeters (50.8 to 61.8 inches); bedrock; 0.8 very fine roots in cracks and 0.8 coarse roots in cracks; 60 percent prominent clay films on rock fragments; fragments; slightly acid, pH 6.3, hellige-truog. continuous - phpvsfiid 207608; continuous - phpvsfiid 207608