IDENTIFIERS

  • Current Taxon Name (Soil Name): Amarillo
  • OSD
  • Series Extent
  • User Site ID: S2018TX219001
  • User Pedon ID: S2018TX219001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Print Date: 12/6/2025

    • 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: 33.5985200
  • Std. Longitude: -102.1954000
  • Datum: WGS84
  • Location Description: Northwest of Sundown Texas, approximately 2 miles
  • State: Texas
  • County: TX219—Hockley
  • MLRA: 77C—Southern High Plains, Southern Part

    • PEDON

  • Describers Name: S. Casby-Horton, C Byrd, T. Carr, A. Basurco
  • Current Taxonomic Class: Fine-loamy, mixed, superactive, thermic Aridic Paleustalfs
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: soil survey inventory
  • Pedon Record Orgin: NASIS
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: eolian/alluvial sediments Black water draw Irm
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/31/2018 (actual site observation date)
  • Data Collector: S Casby-Horton, C. Byrd, T Carr, A Basurco
  • 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
    • 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

    1.5

    —

    —

    —

    —

    90

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    —

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    A1—0 to 7 centimeters (0.0 to 2.8 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; fine sandy loam; weak fine granular structure; soft, very friable; few medium roots and many fine roots; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.
    A2—7 to 18 centimeters (2.8 to 7.1 inches); brown (7.5YR 4/4), dark brown (7.5YR 3/4), moist; fine sandy loam;—Error in Exists On—structure; soft, very friable; few medium roots and many fine roots; fragments; noneffervescent, by hcl, 1n; clear smooth boundary.
    Bt1—18 to 43 centimeters (7.1 to 16.9 inches); reddish brown (5YR 4/4), dark reddish brown (5YR 3/4), moist; sandy clay loam;—Error in Exists On—structure; hard, firm; common fine roots; clay films on vertical faces of peds and ; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. patchy - phpvsfiid 1509187; continuous - phpvsfiid 1509200; patchy - phpvsfiid 1509187; continuous - phpvsfiid 1509200
    Bt2—43 to 70 centimeters (16.9 to 27.6 inches); yellowish red (5YR 4/6), reddish brown (5YR 4/4), moist; sandy clay loam;—Error in Exists On—structure; hard, firm; common fine roots; and 20 percent clay films on all faces of peds; fragments; noneffervescent, by hcl, 1n; gradual wavy boundary. patchy - phpvsfiid 1509189; continuous - phpvsfiid 1509201; patchy - phpvsfiid 1509189; continuous - phpvsfiid 1509201
    Bt3—70 to 87 centimeters (27.6 to 34.3 inches); sandy clay loam;—Error in Exists On—structure; very hard, very firm; 2 percent distinct clay films on all faces of peds; 1 percent threadlike ; fragments; very slight effervescence, by hcl, 1n; gradual wavy boundary. discontinuous - phpvsfiid 1509190; discontinuous - phpvsfiid 1509190
    Bt4—87 to 115 centimeters (34.3 to 45.3 inches); yellowish red (5YR 5/6), yellowish red (5YR 4/6), moist; sandy clay loam;—Error in Exists On—structure; hard, firm; common fine roots; 20 percent distinct clay films on all faces of peds; 2 percent medium indurated cemented carbonate masses; fragments; slight effervescence, by hcl, 1n; abrupt smooth boundary. discontinuous - phpvsfiid 1509191; discontinuous - phpvsfiid 1509191
    Btkk1—115 to 168 centimeters (45.3 to 66.1 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; sandy clay loam; weak medium subangular blocky structure; very hard, very firm; few fine roots; clay films on all faces of peds and ; 35 percent carbonate, finely disseminated and 20 percent irregular carbonate masses; fragments; violent effervescence, by hcl, 1n.
    Btkk2—168 to 203 centimeters (66.1 to 79.9 inches); reddish yellow (5YR 6/6), yellowish red (5YR 5/6), moist; sandy clay loam, clay loam; weak medium subangular blocky structure; very hard, very firm; few fine roots; distinct clay films on all faces of peds and ; 35 percent carbonate, finely disseminated and 10 percent medium carbonate masses and 30 percent very coarse irregular carbonate masses; fragments; violent effervescence, by hcl, 1n.