IDENTIFIERS

  • Current Taxon Name (Soil Name): Blackston
  • OSD
  • Series Extent
  • User Site ID: S1992UT037156C
  • User Pedon ID: 92UT037156C
  • Vegetation Plot ID: S1992UT037156C
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P1018
  • NCSS Pedon Lab Data NASIS Record ID - 65257
  • Print Date: 11/13/2024

    • 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: 38.3366661
  • Std. Longitude: -109.8750000
  • Datum: WGS84
  • Township: 28S
  • Range: 19E
  • Section: 30
  • PLSS Details: 3400 feet W and 2600 feet N of SE corner
  • State: Utah
  • County: UT037—San Juan
  • MLRA: 35—Colorado Plateau
  • Non-MLRA Soil Survey Area: UT633—Canyonlands Area, Utah - Parts of Grand and San Juan Counties

    • PEDON

  • Describers Name: Cindy Furman and Leland Sasser
  • Pedon Type: map unit inclusion
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 156
  • Sampled As Information:
  • Soil Name - Blackston
  • Taxonomic Class - Loamy-skeletal, mixed Typic Calciorthids
  • PSC - 25 to 100 cm.
  • Classificaton Date - 8/13/1992
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: alluvial fan
  • Geomorphic Component Hills: side slope
  • Slope Position: middle third
  • Slope Shape Across: convex
  • Slope Shape Down: convex
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/13/1992 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - other
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    Bw

    Bw

    Bk

    Bk

    0

    5

    5

    25

    25

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    25

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    58

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    25

    25

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    30

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    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    Bw

    Bw

    Bk

    Bk

    0

    5

    5

    25

    25

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    25

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    58

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    Bw

    Bw

    Bk

    Bk

    0

    5

    5

    25

    25

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    25

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    58

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ATCO

    CORA

    Atriplex confertifolia

    Coleogyne ramosissima

    shadscale saltbush

    blackbrush

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

    ochric epipedon

    calcic horizon

    0—8

    25—58

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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

    9

    2

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    1548

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    225

    203

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    12.2

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    Moab

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    C—; fragments.
    A—0 to 5 centimeters (0.0 to 2.0 inches); reddish yellow (7.5YR 6/6), reddish brown (5YR 4/4), moist; very stony fine sandy loam; 76 percent sand; 15 percent silt; 9 percent clay; weak fine granular structure; soft, very friable, nonsticky, slightly plastic; moderately slow permeability; 3.0 very fine roots and 3.0 fine and medium roots and 0.5 coarse roots; 3.0 very fine interstitial and 21.0 very fine tubular pores; 5 percent by volume 75-162-250 millimeter unspecified fragments and 15 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 2-39-75 millimeter unspecified fragments; slight effervescence; moderately alkaline, pH 8.0, thymol-blue; clear smooth boundary. Lab sample # 92P06331
    Bw—5 to 25 centimeters (2.0 to 9.8 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; extremely cobbly fine sandy loam; 71 percent sand; 15 percent silt; 14 percent clay; weak fine and medium subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderately slow permeability; 3.0 very fine roots and 3.0 fine and medium roots and 0.5 coarse roots; 21.0 very fine tubular and 0.5 fine tubular pores; 10 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments and 35 percent by volume 2-39-75 millimeter unspecified fragments; strong effervescence; moderately alkaline, pH 8.4, thymol-blue; clear wavy boundary. Lab sample # 92P06332
    Bk—25 to 58 centimeters (9.8 to 22.8 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; extremely cobbly fine sandy loam; 73 percent sand; 15 percent silt; 12 percent clay; weak fine subangular blocky structure; slightly hard, very friable, slightly sticky, slightly plastic; moderately slow permeability; 3.0 very fine roots and 0.5 fine and medium roots; 3.0 very fine tubular and 0.5 fine tubular pores; 10 percent by volume 250-425-600 millimeter unspecified fragments and 25 percent by volume 75-162-250 millimeter unspecified fragments and 40 percent by volume 2-39-75 millimeter unspecified fragments; 8.60000038 Thymol-blue; violent effervescence; strongly alkaline, pH 8.6, hellige-truog. Depth is estimated; augered 25 to 50+ cm.