IDENTIFIERS

  • Current Taxon Name (Soil Name): Douro
  • OSD
  • Series Extent
  • User Site ID: S1985TX003004
  • User Pedon ID: 85TX003004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0967
  • Print Date: 11/27/2024

    • 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: 32.1572227
  • Std. Longitude: -102.3938904
  • Datum: WGS84
  • Location Description: 14.5 km E of Andrews, TX. on TX 176, S 19 km on FM 1788, 4.7 km W on County Rd., 0.3 km N on Oil Field Rd.
  • State: Texas
  • County: TX003—Andrews
  • MLRA: 77D—Southern High Plains, Southwestern Part

    • PEDON

  • Describers Name: Blackstock, Feuerbacher, Grossman, Williams
  • Current Taxonomic Class: Fine-loamy, mixed, active, thermic Petrocalcic Ustollic Paleargids
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 4
  • Correlated Information:
  • Soil Name - Douro
  • PSC - 10 to 60 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Moisture Subclass - ustic
  • Sampled As Information:
  • Soil Name - Douro
  • Taxonomic Class - Fine-loamy, mixed, thermic Petrocalcic Ustalfic Pa
  • Taxon Kind - series
  • Classificaton Date - 9/1/1985
  • Moisture Class - aridic (torric)
  • Moisture SUBClass - ustic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: plain
  • Slope Shape Down: convex
  • Runoff: very low
  • Drainage Class: well
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1985 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    argillic horizon

    petrocalcic horizon

    10—75

    75—100

    —-

    —-
    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

    —

    —

    929

    —

    270

    35

    —

    —

    17

    27

    9

    —

    —

    —

    —

    —

    —

    —

    —
    1A—0 to 10 centimeters (0.0 to 3.9 inches); dark reddish brown (5YR 3/3) interior, dark reddish brown (5YR 3/4) interior, dry; fine sandy loam; weak fine and medium subangular blocky, and structureless fine granular structure; slightly hard, very friable, slightly sticky, nonplastic; 2.5 very fine and fine roots throughout; 2.5 very fine and fine continuous tubular and 2.5 medium continuous tubular pores; 11 percent fine and medium cylindrical worm casts; fragments; clear smooth boundary. Lab sample # 85P05201. Noncalcareous; common fine and medium worm casts concentrations; common very fine and fine roots throughout
    1Bt1—10 to 28 centimeters (3.9 to 11.0 inches); dark reddish brown (2.5YR 3/4) interior, reddish brown (2.5YR 4/4) interior, dry; sandy clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; very hard, friable, moderately sticky, slightly plastic; 2.5 very fine and fine roots between peds; 2.5 very fine and fine continuous tubular and 2.5 medium continuous tubular pores; 15 percent faint dark red (2.5YR 3/6) clay films on faces of peds; 11 percent fine and medium cylindrical worm casts; fragments; gradual wavy boundary. Lab sample # 85P05202. Noncalcareous; common fine and medium worm casts concentrations; few clay films surface features on faces of peds; common very fine and fine roots between peds; patchy - phpvsfiid 219560; patchy - phpvsfiid 219560
    1Bt2—28 to 40 centimeters (11.0 to 15.7 inches); dark red (2.5YR 3/6) interior, red (2.5YR 4/6) interior, dry; sandy clay loam; moderate coarse prismatic, and weak medium subangular blocky structure; very hard, friable, moderately sticky, slightly plastic; 2.5 very fine and fine roots between peds; 2.5 very fine and fine continuous tubular and 2.5 medium continuous tubular pores; 15 percent faint dark red (2.5YR 3/6) clay films on faces of peds; 1 percent fine and medium cylindrical worm casts; fragments; gradual wavy boundary. Lab sample # 85P05203. Noncalcareous; few fine and medium worm casts concentrations; few clay films surface features on faces of peds; common very fine and fine roots between peds; patchy - phpvsfiid 219561; patchy - phpvsfiid 219561
    1Bt3—40 to 55 centimeters (15.7 to 21.7 inches); dark reddish brown (2.5YR 3/4) interior, red (2.5YR 4/6) interior, dry; sandy clay loam; strong coarse prismatic, and weak medium subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 2.5 very fine and fine roots between peds; 2.5 very fine and fine continuous tubular pores; 37 percent faint dark red (2.5YR 3/6) clay films on faces of peds; 1 percent fine and medium cylindrical worm casts; fragments; gradual wavy boundary. Lab sample # 85P05204. Noncalcareous; few fine and medium worm casts concentrations; common clay films surface features on faces of peds; common very fine and fine roots between peds; patchy - phpvsfiid 219562; patchy - phpvsfiid 219562
    1Bt4—55 to 75 centimeters (21.7 to 29.5 inches); dark red (2.5YR 3/6) interior, red (2.5YR 4/6) interior, dry; sandy clay loam; strong coarse prismatic, and moderate medium and coarse subangular blocky structure; extremely hard, firm, moderately sticky, moderately plastic; 2.5 very fine roots between peds; 2.5 very fine and fine filled with coarse material pores; 55 percent faint dark red (2.5YR 3/6) clay films on faces of peds; 1 percent fine and medium cylindrical worm casts; fragments; abrupt wavy boundary. Lab sample # 85P05205. Noncalcareous; few fine and medium worm casts concentrations; many clay films surface features on faces of peds; common very fine roots between peds; patchy - phpvsfiid 219563; patchy - phpvsfiid 219563
    1Bkm—75 to 100 centimeters (29.5 to 39.4 inches); white (10YR 8/1) interior, white (10YR 8/1) interior, dry; indurated material; iron present; 5.5 very fine and fine roots top of horizon; fragments. Lab sample # 85P05206. Indurated caliche in plates 5 cm thick; few vertical cracks; 5% Bt4 material between plates and in cracks (calcareous); depth to Bkm ranges 30-75 cm.; many very fine and fine roots in mat at top of horizon