IDENTIFIERS

  • Current Taxon Name (Soil Name): Tamarron
  • OSD
  • Series Extent
  • User Site ID: S1986CO067004
  • User Pedon ID: 86CO067004
  • Vegetation Plot ID: S1986CO067004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0853
  • NCSS Pedon Lab Data NASIS Record ID - 59147
  • Print Date: 11/23/2024

    • 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: 37.4786110
  • Std. Longitude: -107.7172241
  • Datum: WGS84
  • Map Unit: 890—Tamarron-Frisco complex, 30 to 60 percent slopes
  • State: Colorado
  • County: CO067—La Plata
  • MLRA: 48A—Southern Rocky Mountains
  • Non-MLRA Soil Survey Area: CO672—Animas-Dolores Area, Colorado, Parts of Archuleta, Dolores, Hinsdale, La Plata, Montezuma, San Juan, and San Miguel Counties

    • PEDON

  • Describers Name: Pannel, J; Bauer, R; Bowman, G. Klameth, L.
  • Current Taxonomic Class: Loamy-skeletal, mixed, superactive Typic Eutrocryepts
  • Current Taxon Kind: taxadjunct
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Tamarron
  • PSC - 35 to 56 cm.
  • Classificaton Date - 2/1/2010
  • Sampled As Information:
  • Soil Name - Tamarron
  • Taxonomic Class - Loamy-skeletal, mixed Typic Cryoboroll
  • Taxon Kind - series
  • Classificaton Date - 8/1/1986
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from sandstone and shale
  • Landscape: mountains or deeply dissected plateaus
  • Landform: hillside or mountainside
  • Hill Slope Profile: backslope
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Bedrock: with 10 to <45
  • Surface Fragments: 9.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1986 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ABLA

    CAGE

    PIEN

    Abies lasiocarpa

    Carex geophila

    Picea engelmannii

    subalpine fir

    White Mountain sedge

    Engelmann spruce

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

    albic horizon

    paralithic contact

    argillic horizon

    0—23

    0—108

    35—56

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    —-

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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

    45

    —

    —

    3292

    —

    0

    100

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    O—0 to 5 centimeters (0.0 to 2.0 inches); fragments; abrupt smooth boundary. Needles, leaves and twigs.
    E—5 to 28 centimeters (2.0 to 11.0 inches); brown (10YR 5/3) interior, light gray (10YR 7/2) interior, dry; loam; 20 percent clay; weak very fine granular structure; soft, very friable, nonsticky, nonplastic; 3 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 7 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; slightly acid, pH 6.4, bromthymol blue; clear smooth boundary. Lab sample # 86P05098
    B/E—28 to 40 centimeters (11.0 to 15.7 inches); brown (10YR 5/3) interior, pale brown (10YR 6/3) interior, dry; clay loam; 28 percent clay; moderate fine subangular blocky, and strong medium granular structure; slightly hard, friable, slightly sticky, slightly plastic; 3 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 7 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; slightly acid, pH 6.2, bromthymol blue; clear smooth boundary. Lab sample # 86P05099
    Bt—40 to 61 centimeters (15.7 to 24.0 inches); yellowish brown (10YR 5/4) interior, yellowish brown (10YR 5/4) interior, dry; very flaggy clay loam; 32 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky, nonplastic; 2 percent faint clay bridges between sand grains and 15 percent faint clay films on faces of peds; 5 percent by volume 250-425-600 millimeter sandstone, unspecified fragments and 15 percent by volume 2-39-75 millimeter sandstone, unspecified fragments and 20 percent by volume 75-162-250 millimeter sandstone, unspecified fragments; slightly acid, pH 6.4, bromthymol blue; clear wavy boundary. Lab sample # 86P05100. few clay films surface features on faces of peds; very few clay bridging surface features between sand grains; discontinuous - phpvsfiid 231702; patchy - phpvsfiid 231701; discontinuous - phpvsfiid 231702; patchy - phpvsfiid 231701
    C—61 to 86 centimeters (24.0 to 33.9 inches); brown (10YR 4/3) interior, yellowish brown (10YR 5/4) interior, dry; extremely gravelly clay loam; 28 percent clay; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 5 percent by volume 250-425-600 millimeter sandstone, unspecified fragments and 20 percent by volume 75-162-250 millimeter sandstone, unspecified fragments and 60 percent by volume 2-39-75 millimeter sandstone, unspecified fragments; slightly acid, pH 6.4, bromthymol blue; clear wavy boundary. Lab sample # 86P05101. Lateral roots occur above bedrock.
    Cr—86 to 113 centimeters (33.9 to 44.5 inches); massive; fragments; slightly acid, pH 6.4, bromthymol blue. Lab sample # 86P05102. Fractured sandy shale.