IDENTIFIERS

  • Current Taxon Name (Soil Name): BLACKLOCK
  • OSD
  • Series Extent
  • User Site ID: S1980CA045019
  • User Pedon ID: S1980CA045019
  • Vegetation Plot ID: S1980CA045019
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 80P0450
  • NCSS Pedon Lab Data NASIS Record ID - 48226
  • 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: 39.3722229
  • Std. Longitude: -123.7769470
  • Datum: WGS84
  • Township: 18N
  • Range: 17W
  • Section: 32
  • PLSS Details: 2250 feet W and 500 feet N of SE corner
  • Location Description: Mendocino County, California. West part.
  • State: California
  • County: CA045—Mendocino
  • MLRA: 4B—Coastal Redwood Belt
  • Non-MLRA Soil Survey Area: CA694—Mendocino County, Western Part, California

    • PEDON

  • Current Taxonomic Class: Coarse-loamy, mixed, ortstein Typic Duraquods
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 19
  • Correlated Information:
  • Soil Name - BLACKLOCK
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/29/2003
  • Moisture Class - aquic
  • Sampled As Information:
  • Soil Name - Blacklock
  • Taxonomic Class - Coarse-loamy, mixed, ortstein Typic Sideraquod
  • Taxon Kind - series
  • Classificaton Date - 6/1/1980
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: marine deposits
  • Landform: marine terrace
  • Runoff: very low
  • Drainage Class: poorly
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/1/1980 (actual site observation date)
  • Air Photo ID: 6-114
  • Surface Cover Properties:
  • 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

    GAYLU

    JUNIP

    PIMU

    PTAQ

    RHODO

    Gaylussacia

    Juniperus

    Pinus muricata

    Pteridium aquilinum

    Rhododendron

    huckleberry

    juniper

    Bishop pine

    western brackenfern

    rhododendron

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    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

    4

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    —

    121.9

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    270

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    Oi—0 to 2 centimeters (0.0 to 0.8 inches); slightly decomposed plant material; fragments.
    A—2 to 20 centimeters (0.8 to 7.9 inches); dark gray (10YR 4/1), gray (10YR 6/1), dry; sandy loam; massive; soft, very friable, nonsticky, nonplastic; 0.5 very fine roots and 3.0 medium roots and 3.0 fine roots; 21.0 very fine interstitial and 21.0 fine interstitial pores; fragments; extremely acid, pH 4.0, bromcresol green; clear wavy boundary. Lab sample # 80P02476
    E—20 to 35 centimeters (7.9 to 13.8 inches); light brownish gray (10YR 6/2), white (10YR 8/1), dry; sandy loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 fine roots; 21.0 very fine interstitial and 21.0 fine interstitial pores; fragments; extremely acid, pH 4.4, bromcresol green; clear wavy boundary. Lab sample # 80P02477
    BA—35 to 38 centimeters (13.8 to 15.0 inches); dark brown (7.5YR 3/2), brown (7.5YR 5/2), dry; sandy loam; massive; slightly hard, friable, slightly sticky, slightly plastic; 0.5 very fine roots and 0.5 fine roots; 21.0 very fine interstitial and 21.0 fine interstitial pores; fragments; very strongly acid, pH 4.6, bromcresol green; abrupt wavy boundary. Lab sample # 80P02478
    Bsm1—38 to 76 centimeters (15.0 to 29.9 inches); yellowish brown (10YR 5/8), very pale brown (10YR 7/4), dry; loamy sand; reddish yellow (7.5YR 6/6) and strong brown (7.5YR 5/8) and brown (7.5YR 4/4) mottles; moderate medium platy structure; hard, firm, nonsticky, nonplastic; 0.5 very fine roots; 0.5 very fine interstitial pores; fragments; very strongly acid, pH 5.0, chlorophenol red; clear irregular boundary. Lab sample # 80P02479
    Bsm2—76 to 93 centimeters (29.9 to 36.6 inches); fragments; very strongly acid, pH 4.6, bromcresol green; abrupt wavy boundary. Lab sample # 80P02480
    Btm—93 to 157 centimeters (36.6 to 61.8 inches); fragments; very strongly acid, pH 4.6, bromcresol green; abrupt wavy boundary. Lab sample # 80P02481
    C—157 to 165 centimeters (61.8 to 65.0 inches); 7.5YR 6/0 (7.5YR 6/0), 7.5YR 7/0 (7.5YR 7/0), dry; loam; strong brown (7.5YR 5/6) and yellowish red (5YR 4/6) mottles; massive; slightly hard, friable, moderately sticky, slightly plastic; ferriargillans on faces of peds; fragments; very strongly acid, pH 4.8, bromcresol green. Lab sample # 80P02482