IDENTIFIERS

  • Current Taxon Name (Soil Name): Idriapeak
  • OSD
  • Series Extent
  • User Site ID: S2009CA069003
  • User Pedon ID: S09CA069003
  • Vegetation Plot ID: S2009CA069003
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0922
  • NCSS Pedon Lab Data NASIS Record ID - 24645
  • Print Date: 12/11/2024
  • 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: 36.3813324
  • Std. Longitude: -120.6934204
  • Datum: WGS84
  • Township: 18 S
  • Range: 11 E
  • Section: 15
  • PLSS Details: 942 feet (287.1 meters) south and 840 feet (256.0 meters) west of the northeast corner
  • Location Description: About 7.2 miles (11.6 kilometers) east on route (R1) from the creek crossing at the enterance to the Clear Creek Management Area (CCMA) off of Coalinga road and about 50 feet (15.2 meters) upslope from the north side of (CCMA) route (R1).
  • Country: US—United States
  • State: California
  • County: CA069—San Benito
  • MLRA: 15—Central California Coast Range
  • Regional Office: SW—Southwest
  • MLRA Soil Survey Area: SW-TEM—Templeton, California
  • Non-MLRA Soil Survey Area: CA069—San Benito County, California
  • 7.5 Minute USGS Quad: 36120-D6—Idria, California
  • PEDON

  • Describers Name: Bry Schmidt/Kerry Arroues
  • Current Taxonomic Class: Clayey-skeletal, magnesic, thermic Typic Haploxeralfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 3
  • Correlated Information:
  • Soil Name - Idriapeak
  • PSC - 5 to 52 cm.
  • Classificaton Date - 8/4/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Idriapeak
  • Taxonomic Class - Clayey-skeletal, magnesic, thermic Typic Haploxera
  • Taxon Kind - series
  • Classificaton Date - 4/6/2009
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: hills
  • Landform: hillslope
  • Geomorphic Component Hills: side slope
  • Hill Slope Profile: backslope
  • Drainage Class: well
  • Bedrock: serpentinite
  • Geology: Sp formation.
  • Surface Fragments: 50.00 percent nonflat subangular very strongly coherent cemented 2- to 75-millimeter serpentinite, 10.00 percent nonflat subangular very strongly coherent cemented 75- to 250-millimeter serpentinite,
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/6/2009 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - shrub cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ADENO2

    CECU

    PICO3

    UNKNOWN

    Adenostoma

    Ceanothus cuneatus

    Pinus coulteri

    unknown scientific name

    chamise

    buckbrush

    Coulter pine

    unknown national vernacular name

    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    moderately coherent

    92 - 127

    - 25 -

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

    ochric epipedon

    argillic horizon

    paralithic contact

    0—5

    5—92

    92—127

    —5—

    —87—

    —35—

    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

    32

    1143

    180

    A—0 to 5 centimeters (0.0 to 2.0 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/3), moist; very gravelly sandy loam; 17 percent clay; weak thin platy parts to weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 3.0 very fine roots throughout and 3.0 fine roots throughout; 3.0 very fine tubular pores; 37 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter serpentinite fragments; slightly acid, pH 6.3, pH meter; abrupt smooth boundary. Lab sample # 09N03370; slightly moist when described; observed in pit, small
    Bt1—5 to 15 centimeters (2.0 to 5.9 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; gravelly sandy clay loam; 30 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 1.0 very fine and fine roots throughout and 1.0 very coarse roots throughout and 1.0 medium and coarse roots throughout; 1.0 very fine tubular pores; 15 percent distinct clay films on all faces of peds and 15 percent distinct clay films on surfaces along pores; 30 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter serpentinite fragments; neutral, pH 6.6, pH meter; clear wavy boundary. Lab sample # 09N03371; slightly moist when described; observed in pit, small. continuous - phpvsfiid 462572; discontinuous - phpvsfiid 462571; continuous - phpvsfiid 462572; discontinuous - phpvsfiid 462571
    Bt2—15 to 25 centimeters (5.9 to 9.8 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; very gravelly sandy clay; 40 percent clay; moderate medium subangular blocky structure; moderately hard, firm, very sticky, moderately plastic; 1.0 very fine and fine roots throughout and 1.0 very coarse roots throughout and 1.0 medium and coarse roots throughout; 1.0 very fine tubular and 1.0 fine tubular pores; 15 percent distinct clay films on all faces of peds and 20 percent distinct clay films on surfaces along pores; 50 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter serpentinite fragments; neutral, pH 6.9, pH meter; abrupt wavy boundary. Lab sample # 09N03372; slightly moist when described; observed in pit, small. continuous - phpvsfiid 462569; discontinuous - phpvsfiid 462570; continuous - phpvsfiid 462569; discontinuous - phpvsfiid 462570
    Bt3—25 to 44 centimeters (9.8 to 17.3 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; extremely gravelly sandy clay; 38 percent clay; weak medium subangular blocky structure; moderately hard, firm, very sticky, moderately plastic; 1.0 very fine and fine roots throughout and 1.0 very coarse roots throughout and 1.0 medium and coarse roots throughout; 1.0 very fine tubular pores; 15 percent distinct clay films on all faces of peds and 20 percent distinct clay films on surfaces along pores; 5 percent by volume nonflat subangular very strongly coherent cemented 75-163-250 millimeter serpentinite fragments and 60 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter serpentinite fragments; neutral, pH 7.0, pH meter; abrupt wavy boundary. Lab sample # 09N03373; slightly moist when described; observed in pit, small. continuous - phpvsfiid 462567; discontinuous - phpvsfiid 462568; continuous - phpvsfiid 462567; discontinuous - phpvsfiid 462568
    Bt4—44 to 61 centimeters (17.3 to 24.0 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; extremely gravelly sandy clay; 36 percent clay; weak fine subangular blocky structure; moderately hard, firm, very sticky, moderately plastic; 1.0 fine roots throughout; 1.0 very fine tubular and 1.0 fine tubular pores; 10 percent distinct clay films on surfaces along pores and 10 percent distinct clay films on all faces of peds; 5 percent by volume nonflat subangular very strongly coherent cemented 75-163-250 millimeter serpentinite fragments and 65 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter serpentinite fragments; neutral, pH 7.1, pH meter; gradual wavy boundary. Lab sample # 09N03374; slightly moist when described; observed in pit, small. continuous - phpvsfiid 462565; discontinuous - phpvsfiid 462566; continuous - phpvsfiid 462565; discontinuous - phpvsfiid 462566
    Bt5—61 to 92 centimeters (24.0 to 36.2 inches); dark yellowish brown (10YR 3/4), dark brown (10YR 3/3), moist; extremely gravelly sandy clay loam; 25 percent clay; weak fine subangular blocky structure; slightly hard, friable, slightly sticky, moderately plastic; 1.0 very fine tubular and 1.0 fine tubular pores; 5 percent distinct clay films on all faces of peds and 5 percent distinct clay films on surfaces along pores; 5 percent by volume nonflat subangular very strongly coherent cemented 75-163-250 millimeter serpentinite fragments and 70 percent by volume nonflat subangular very strongly coherent cemented 2-39-75 millimeter serpentinite fragments; neutral, pH 7.2, pH meter; abrupt wavy boundary. Lab sample # 09N03375; slightly moist when described; observed in pit, small. continuous - phpvsfiid 462564; discontinuous - phpvsfiid 462563; continuous - phpvsfiid 462564; discontinuous - phpvsfiid 462563
    Cr—92 to 107 centimeters (36.2 to 42.1 inches); weathered bedrock; fragments; neutral, pH 7.2, pH meter. Lab sample # 09N03376; slightly moist when described; observed in pit, small