IDENTIFIERS

  • Current Taxon Name (Soil Name): Pokorny-hypergypsic saline
  • OSD
  • Series Extent
  • User Site ID: S2006-TX109-903-copy
  • User Pedon ID: S2006-TX109-903-copy
  • Vegetation Plot ID: S2006-TX109-903
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 07N0079
  • NCSS Pedon Lab Data NASIS Record ID - 19291
  • Print Date: 12/4/2024
  • 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: 31.9046116
  • Std. Longitude: -104.3622208
  • Datum: WGS84
  • Country: US—United States
  • State: Texas
  • County: TX109—Culberson
  • MLRA: 42—Southern Desertic Basins, Plains, and Mountains
  • MLRA Soil Survey Area: SW-MAF—Marfa, Texas
  • Non-MLRA Soil Survey Area: TX626—Culberson County, Main Part, Texas
  • 7.5 Minute USGS Quad: 31104-H4—Alligator Draw, Texas
  • PEDON

  • Describers Name: Lynn Loomis, Wayne Hudnall, Philip Schoeneberger, Arlene Tugel, and Greg Cates
  • Current Taxonomic Class: Fine-gypseous, hypergypsic, thermic, shallow Ustic Petrogypsids
  • Current Taxon Kind: taxadjunct
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Correlated Information:
  • Soil Name - Pokorny-hypergypsic saline
  • PSC - 0 to 27 cm.
  • Classificaton Date - 5/20/2016
  • Classifier - Lynn Loomis
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Shippingpens
  • Classificaton Date - 10/24/2006
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


  • SITE

  • Parent Material: slightly weathered, alluvium derived from gypsum over slightly weathered, residuum weathered from gypsum
  • Geomorphic Component Terraces: tread
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Bedrock: weakly coherent moderate weathered gypsum, rock at 110cm; indurated slight weathered gypsum, rock at 165cm with 100 to <200
  • Geology: Castile Formation formation. ; Castile Formation formation.
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/24/2006 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ATCA2

    SPAI

    Atriplex canescens

    Sporobolus airoides

    fourwing saltbush

    alkali sacaton

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

    petrogypsic

    petrogypsic

    petrogypsic

    bedrock, paralithic

    bedrock, lithic

    extremely weakly coherent

    weakly coherent

    extremely weakly coherent

    weakly coherent

    indurated

    27 - 43

    43 - 57

    57 - 110

    110 - 165

    165 - 200

    - 16 -

    - 14 -

    - 53 -

    - 55 -

    - 35 -

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

    ochric epipedon

    gypsic horizon

    petrogypsic horizon

    paralithic materials

    paralithic contact

    lithic contact

    0—5

    5—27

    27—110

    110—165

    110—110

    165—165

    —5—

    —22—

    —53—

    —55—

    —-

    —-

    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

    1.2

    1061

    A—0 to 5 centimeters (0.0 to 2.0 inches);, brown (10YR 4/3) broken face, moist; loam; weak thin platy structure; noncoherent, nonsticky, nonplastic; moderate excavation difficulty; 10.0 very fine roots throughout and 20.0 medium roots throughout and 4.0 fine roots throughout; fragments; gypsiferous vfsl of Field texture class; strong effervescence, by hcl, 1n; clear smooth boundary. Lab sample # 07N00501; observed in trench
    Byy1—5 to 14 centimeters (2.0 to 5.5 inches);, very pale brown (10YR 8/3) broken face, moist; Error; moderate medium subangular blocky parts to weak fine subangular blocky structure; noncoherent, moderately sticky, slightly plastic; moderate excavation difficulty; 10.0 very fine roots throughout and 20.0 medium roots and 4.0 fine roots throughout; fragments; slight effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 07N00502, 07N00508; observed in trench
    Byy2—14 to 27 centimeters (5.5 to 10.6 inches);, very pale brown (10YR 8/2) broken face, moist; Error; moderate coarse subangular blocky parts to moderate medium subangular blocky structure; extremely weakly coherent, moderately sticky, moderately plastic; brittle; high excavation difficulty; 3.0 very fine roots throughout and 1.0 medium roots throughout and 3.0 fine roots throughout; fragments; slight effervescence, by hcl, 1n; gradual smooth boundary. Lab sample # 07N00503; observed in trench
    Byym1—27 to 43 centimeters (10.6 to 16.9 inches);, pale yellow (2.5Y 8/3) broken face, moist; cemented material; strong coarse prismatic structure; extremely weakly coherent, moderately sticky, slightly plastic; high excavation difficulty; 0.2 very fine roots throughout and 0.2 fine roots throughout; fragments; very slight effervescence, by hcl, 1n; abrupt smooth boundary. Lab sample # 07N00504, 07N00500; observed in trench
    Byym2—43 to 57 centimeters (16.9 to 22.4 inches);, pale yellow (2.5Y 8/3) broken face, moist; cemented material; strong coarse prismatic structure; weakly coherent, very sticky, slightly plastic; brittle; very high excavation difficulty; 0.2 very fine roots throughout and 0.2 fine roots throughout; fragments; noneffervescent, by hcl, 1n; abrupt wavy boundary. Lab sample # 07N00505; observed in trench
    Byym3—57 to 110 centimeters (22.4 to 43.3 inches);, pale yellow (2.5Y 7/3) broken face, moist; cemented material; strong coarse prismatic structure; extremely weakly coherent, moderately sticky, slightly plastic; high excavation difficulty; 0.1 very fine roots throughout; fragments; very slight effervescence, by hcl, 1n; clear wavy boundary. Lab sample # 07N00506; observed in trench
    2Cry—110 to 165 centimeters (43.3 to 65.0 inches); bedrock; structureless massive; weakly coherent; very high excavation difficulty; 0.0 roots; fragments; noneffervescent, by hcl, 1n; very abrupt smooth boundary. Lab sample # 07N00507; observed in trench
    2R—165 to 200 centimeters (65.0 to 78.7 inches); bedrock; structureless massive; indurated; extremely high excavation difficulty; 0.0 roots; fragments; noneffervescent, by hcl, 1n.; observed in trench