IDENTIFIERS

  • Current Taxon Name (Soil Name): Dellahunt
  • OSD
  • Series Extent
  • User Site ID: 31104-E4-004-copy
  • User Pedon ID: S2008-TX109-004-copy
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 08N0263
  • NCSS Pedon Lab Data NASIS Record ID - 20137
  • Print Date: 11/24/2024
  • 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: 31.6121864
  • Std. Longitude: -104.4173660
  • Datum: WGS84
  • Location Description: Culberson County, Texas. From the intersection of US Highway 80 and Texas Highway 54 in Van Horn, 0.65 mile north on Texas Highway 54 to intersection with FM 2185, 48.7 miles east and north on FM 2158 to end of pavement, 11.8 miles north on Smileys Road to intersection with KC Road, 2.0.miles west on KC Road to intersection, 0.35 miles north on ranch road to intersection, 0.7 miles east on ranch road to intersection, 2.4 miles northeast on ranch road to gate, 0.5 mile east on ranch road, then 750 feet south in range.
  • 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-E4—Kc Ranch, Texas
  • PEDON

  • Describers Name: Alan Stahnke, Gary Harris, Jo Parsley, and Rusty Dowell
  • Current Taxonomic Class: Fine-silty, mixed, superactive, thermic Ustic Calcigypsids
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Dellahunt (flagged as OSD)
  • PSC - 25 to 100 cm.
  • Classificaton Date - 5/16/2016
  • Classifier - Lynn Loomis
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Class - aridic (torric)
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Dellahunt-OSD
  • Classificaton Date - 1/8/2008
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


  • SITE

  • Parent Material: strongly weathered, loamy alluvium derived from gypsum
  • Landscape: karst
  • Landform: valley-floor remnant
  • Hill Slope Profile: backslope
  • Slope Position: middle third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 1/8/2008 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    calcic horizon

    gypsic horizon

    0—9

    9—124

    96—200

    —9—

    —34—

    —104—

    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

    3

    1217

    260

    A—0 to 9 centimeters (0.0 to 3.5 inches); pale brown (10YR 6/3), brown (10YR 4/3), moist; loam; 20 percent clay; weak fine platy structure; soft, loose, slightly sticky, slightly plastic; low excavation difficulty; 4.0 fine roots throughout; common fine moderate-continuity tubular pores; fragments; sil of field texture clas; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4, pH meter; clear smooth boundary.; observed in trench
    Bw1—9 to 26 centimeters (3.5 to 10.2 inches); brown (10YR 5/3), dark yellowish brown (10YR 4/4), moist; clay loam; 22 percent clay; moderate medium subangular blocky parts to moderate fine subangular blocky structure; soft, loose, noncoherent, slightly sticky, slightly plastic; low excavation difficulty; 3.0 fine roots throughout; common fine moderate-continuity tubular pores; fragments; sil of field texture clas; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; clear smooth boundary.; slightly moist when described; observed in trench
    Bw2—26 to 43 centimeters (10.2 to 16.9 inches); yellowish brown (10YR 5/4), dark yellowish brown (10YR 4/4), moist; clay loam; 26 percent clay; moderate coarse subangular blocky structure; slightly hard, very friable, noncoherent, slightly sticky, slightly plastic; low excavation difficulty; 3.0 fine roots throughout; common fine moderate-continuity tubular pores; fragments; sil of field texture clas; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.4, pH meter; clear smooth boundary.; slightly moist when described; observed in trench
    Bky1—43 to 78 centimeters (16.9 to 30.7 inches); very pale brown (10YR 7/3), brownish yellow (10YR 6/6), moist; loam; 31 percent clay; moderate medium subangular blocky structure; slightly hard, very friable, noncoherent, slightly sticky, slightly plastic; low excavation difficulty; 2.0 fine roots throughout; common fine moderate-continuity tubular pores; carbonate, finely disseminated and 5 percent medium prominent spherical strongly coherent cemented gypsum crystal clusters with sharp boundaries in matrix; fragments; cl of field texture clas; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; gradual smooth boundary.; slightly dry when described; observed in trench
    Bky2—78 to 96 centimeters (30.7 to 37.8 inches); very pale brown (10YR 7/4), brownish yellow (10YR 6/6), moist; silt loam; 34 percent clay; weak medium prismatic parts to moderate medium subangular blocky structure; moderately hard, friable, noncoherent, slightly sticky, slightly plastic; low excavation difficulty; 2.0 fine roots throughout; few fine moderate-continuity tubular pores; 6 percent medium distinct spherical strongly coherent cemented gypsum crystal clusters with clear boundaries throughout; fragments; cl of field texture clas; violent effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter; gradual smooth boundary.; slightly dry when described; observed in trench
    Bky3—96 to 124 centimeters (37.8 to 48.8 inches); yellow (10YR 7/6), brownish yellow (10YR 6/6), moist; silt loam; 22 percent clay; moderate medium subangular blocky structure; slightly hard, friable, noncoherent, slightly sticky, slightly plastic; low excavation difficulty; 1.0 fine roots throughout; few fine moderate-continuity tubular pores; carbonate, finely disseminated and 3 percent medium distinct spherical strongly coherent cemented gypsum crystal clusters with clear boundaries throughout; fragments; vfsl of field texture clas; violent effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter; abrupt smooth boundary.; dry when described; observed in trench
    Bky4—124 to 141 centimeters (48.8 to 55.5 inches); 80 percent very pale brown (10YR 7/3) and 20 percent brownish yellow (10YR 6/8), 80 percent pale brown (10YR 6/3) and 20 percent yellowish brown (10YR 5/6), moist; very fine sandy loam; weak very coarse prismatic structure; very hard, very firm, noncoherent, slightly sticky, slightly plastic; low excavation difficulty; 1.0 fine roots throughout; few fine moderate-continuity tubular pores; 1 percent fine distinct manganese masses with clear boundaries throughout; carbonate, finely disseminated and 20 percent medium distinct spherical strongly coherent cemented gypsum crystal clusters with clear boundaries throughout; fragments; l of field texture clas; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9, pH meter; clear smooth boundary.; very dry when described; observed in trench
    Bky5—141 to 200 centimeters (55.5 to 78.7 inches); 80 percent brownish yellow (10YR 6/6) and 20 percent very pale brown (10YR 8/2), 80 percent yellowish brown (10YR 5/6) and 20 percent light gray (10YR 7/2), moist; very fine sandy loam; weak very coarse prismatic structure; slightly hard, very friable, noncoherent, slightly sticky, slightly plastic; low excavation difficulty; 1.0 fine roots throughout; few fine moderate-continuity tubular pores; 25 percent medium distinct spherical strongly coherent cemented gypsum crystal clusters with clear boundaries throughout; fragments; fsl of field texture clas; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.0, pH meter.; very dry when described; observed in trench