IDENTIFIERS

  • Current Taxon Name (Soil Name): Peaked
  • OSD
  • Series Extent
  • User Site ID: 06CA600172
  • User Pedon ID: 06CA600172
  • Vegetation Plot ID: 06CA600172
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - NSSL
  • Lab Pedon # - 07N0346
  • NCSS Pedon Lab Data NASIS Record ID - 19039
  • 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: 40.4526944
  • Std. Longitude: -124.2097222
  • Datum: WGS84
  • Location Description: Beal Property
  • Map Unit: 4408—Dolason-Forhaux-Peaked complex, 5 to 30 percent slopes
  • State: California
  • County: CA023—Humboldt
  • MLRA: 4—California Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA600—Humboldt County, Central Part, California
  • 7.5 Minute USGS Quad: 40124-D2—Taylor Peak, California

    • PEDON

  • Describers Name: Kylee Bennett and Sue Aszman
  • Current Taxonomic Class: Fine-loamy, mixed, active, mesic Oxyaquic Humixerepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 172
  • Correlated Information:
  • Soil Name - Peaked (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 3/29/2012
  • Classifier - Jonathan Hooper
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture Subclass - xeric
  • Sampled As Information:
  • Soil Name - Peaked
  • Classificaton Date - 8/2/2006
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from sandstone and/or residuum weathered from mudstone
  • Landscape: mountains
  • Landform: mountain slope
  • Geomorphic Component Mountains: mountainflank, upper third
  • Hill Slope Profile: shoulder
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: strongly coherent mudstone with <10
  • Geology: Co1 Melange member of the Coastal Terrane formation in the Franciscan Complex group.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/2/2006 (actual site observation date)
  • Air Photo ID: 6247-134
  • Surface Water Kind: none observed
  • Plant Association Name: Grasses, forbs
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    RANUN

    TARAX

    2GP

    2GA

    Ranunculus

    Taraxacum

    —

    —

    buttercup

    dandelion

    Grass, perennial

    Grass, annual

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

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

    umbric epipedon

    aquic conditions

    cambic horizon

    0—70

    55—180

    70—180

    —70—

    —125—

    —110—
    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

    10

    —

    —

    610

    —

    325

    1520

    —

    285

    11

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 36 centimeters (0.0 to 14.2 inches); dark grayish brown (10YR 4/2) broken face, black (10YR 2/1) broken face, moist; clay loam; 33 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 6.0 very fine roots throughout and 2.0 fine roots throughout; 6.0 very fine irregular and 1.0 fine tubular pores; 1 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter mudstone fragments and 2 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; very strongly acid, pH 5.0, pH meter; gradual smooth boundary.; dry when described; observed in pit, small
    A2—36 to 55 centimeters (14.2 to 21.7 inches); dark grayish brown (10YR 4/2) broken face, black (10YR 2/1) broken face, moist; clay loam; 33 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 4.0 very fine roots throughout; 4.0 very fine irregular and 2.0 very fine tubular and 1.0 fine tubular pores; 3 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter mudstone fragments and 4 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.1, pH meter; gradual smooth boundary.; dry when described; observed in pit, small
    AB—55 to 70 centimeters (21.7 to 27.6 inches); dark grayish brown (10YR 4/2) broken face, black (10YR 2/1) broken face, moist; clay loam; 29 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; moderate permeability; 3.0 very fine roots throughout; 3.0 very fine irregular and 2.0 very fine tubular pores; 5 percent fine distinct noncoherent cemented dark yellowish brown (10YR 4/4), moist, iron-manganese masses in matrix; 3 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter mudstone fragments and 4 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; strongly acid, pH 5.2, pH meter; clear smooth boundary.; dry when described; observed in pit, small
    Bw—70 to 106 centimeters (27.6 to 41.7 inches); light yellowish brown (2.5Y 6/3) broken face, light olive brown (2.5Y 5/3) broken face, moist; silt loam; 22 percent clay; moderate fine subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; moderately slow permeability; 1.0 very fine roots throughout; 2.0 very fine tubular and 1.0 very fine irregular pores; 10 percent medium distinct noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions in matrix and 15 percent medium distinct noncoherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses in matrix; 5 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments and 5 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter mudstone fragments; moderately acid, pH 5.6, pH meter; gradual smooth boundary.; dry when described; observed in pit, small
    Bg—106 to 130 centimeters (41.7 to 51.2 inches); light gray (2.5Y 7/2) broken face, light brownish gray (2.5Y 6/2) broken face, moist; clay loam; 27 percent clay; moderate fine subangular blocky structure; hard, firm, moderately sticky, very plastic; moderately slow permeability; 0.2 very fine roots throughout; 0.5 very fine irregular pores; 2 percent prominent noncoherent cemented black (10YR 2/1), moist, manganese coatings around rock fragments and 35 percent medium distinct noncoherent cemented strong brown (7.5YR 5/8), moist, iron-manganese masses in matrix; 8 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments and 8 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter mudstone fragments; slightly acid, pH 6.1, pH meter; clear smooth boundary.; moist when described; observed in pit, small
    2C—130 to 180 centimeters (51.2 to 70.9 inches); light olive brown (2.5Y 5/3) broken face, brown (10YR 4/3) broken face, moist; clay; 50 percent clay; structureless massive; hard, firm, moderately sticky, very plastic; moderately slow permeability; 0.5 very fine irregular pores; 30 percent distinct slickensides (geogenic) on all faces of peds; 15 percent medium distinct noncoherent cemented grayish brown (10YR 5/2), moist, iron depletions in matrix and 25 percent medium distinct noncoherent cemented yellowish brown (10YR 5/6), moist, iron-manganese masses in matrix; 13 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter mudstone fragments and 14 percent by volume nonflat subrounded strongly coherent cemented 2-20-75 millimeter sandstone, unspecified fragments; moderately acid, pH 5.7, pH meter.; moist when described; observed in pit, small. discontinuous - phpvsfiid 330843; discontinuous - phpvsfiid 330843