IDENTIFIERS

  • Current Taxon Name (Soil Name): Arvana
  • OSD
  • Series Extent
  • User Site ID: S1985TX329001
  • User Pedon ID: 85TX329001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 85P0968
  • NCSS Pedon Lab Data NASIS Record ID - 57234
  • Print Date: 2/3/2025

    • 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: 31.8869438
  • Std. Longitude: -101.9188919
  • Datum: WGS84
  • Location Description: 8 km S of IH20 in Midland, TX on TX 349, 4.8 km E on RR 213, 4.8 km S on County Rd.
  • State: Texas
  • County: TX329—Midland
  • MLRA: 77C—Southern High Plains, Southern Part

    • PEDON

  • Describers Name: Blackstock, Feuerbacher, Grossman, Williams
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Petrocalcic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Arvana
  • PSC - 25 to 55 cm.
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Arvana
  • Taxonomic Class - Fine-loamy, mixed, thermic Petrocalcic Paleustalf
  • Taxon Kind - series
  • Classificaton Date - 9/1/1985
  • Moisture Class - 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

    25—55

    55—90

    —-

    —-
    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

    —

    —

    818

    —

    35

    —

    —

    18

    28

    8

    —

    —

    —

    —

    —

    —

    —

    —
    1A1—0 to 15 centimeters (0.0 to 5.9 inches); reddish brown (5YR 4/4) interior, dark reddish brown (5YR 3/4) interior, moist; fine sandy loam; moderate fine subangular blocky structure; slightly hard, very friable, slightly sticky, nonplastic; 5.5 fine roots throughout; 2.5 very fine and fine continuous tubular pores; 11 percent fine and medium spherical worm casts; fragments; clear smooth boundary. Lab sample # 85P05207. common fine and medium worm casts concentrations; many fine roots throughout
    1A2—15 to 25 centimeters (5.9 to 9.8 inches); reddish brown (5YR 4/4) interior, dark reddish brown (5YR 3/4) interior, moist; fine sandy loam; weak fine subangular blocky, and structureless fine granular structure; soft, very friable, slightly sticky, nonplastic; 2.5 very fine and fine roots throughout; 2.5 very fine continuous tubular pores; 11 percent fine and medium spherical worm casts; fragments; clear wavy boundary. Lab sample # 85P05208. common fine and medium worm casts concentrations; common very fine and fine roots throughout
    1Bt1—25 to 35 centimeters (9.8 to 13.8 inches); reddish brown (5YR 4/4) interior, dark reddish brown (5YR 3/4) interior, moist; sandy clay loam; weak coarse prismatic, and moderate fine subangular blocky structure; hard, friable, moderately sticky, slightly plastic; 2.5 very fine and fine roots between peds; 2.5 very fine and fine continuous tubular pores; 15 percent faint dark reddish brown (5YR 3/4) clay films on faces of peds; 11 percent fine and medium spherical worm casts; fragments; clear wavy boundary. Lab sample # 85P05209. common fine and medium worm casts concentrations; few clay films surface features on faces of peds; common very fine and fine roots between peds; discontinuous - phpvsfiid 219564; discontinuous - phpvsfiid 219564
    1Bt2—35 to 55 centimeters (13.8 to 21.7 inches); reddish brown (5YR 5/4) interior, reddish brown (5YR 4/4) interior, moist; sandy clay loam; strong coarse prismatic, and weak medium and coarse subangular blocky structure; very hard, firm, moderately sticky, moderately plastic; 2.5 very fine and fine roots between peds; 2.5 fine and medium continuous tubular pores; 37 percent faint dark reddish brown (5YR 3/4) clay films on faces of peds; fragments; abrupt wavy boundary. Lab sample # 85P05210. common clay films surface features on faces of peds; common very fine and fine roots between peds; discontinuous - phpvsfiid 219565; discontinuous - phpvsfiid 219565
    1Bkm1—55 to 70 centimeters (21.7 to 27.6 inches); white (10YR 8/1) interior, white (10YR 8/1) interior, moist; indurated material; iron present; 0.5 very fine and fine roots top of horizon and 0.5 very fine and fine roots around fragments; 2.5 very fine and fine continuous tubular pores; fragments; abrupt wavy boundary. Lab sample # 85P05211. Depth to petrocalcic-50-80 cm; strongly indurated fractured caliche with approximately 10% soil material between plates (horizontal) and in fractures (vertical).; few very fine and fine roots matted around stones; few very fine and fine roots in mat at top of horizon
    1Bkm2—70 to 90 centimeters (27.6 to 35.4 inches); white (10YR 8/1) interior, white (10YR 8/1) interior, moist; indurated material; iron present; fragments. Lab sample # 85P05212. Srtongly indurated caliche; very little fracturing.