IDENTIFIERS

  • Current Taxon Name (Soil Name): Rotan
  • OSD
  • Series Extent
  • User Site ID: S08-TX441-3219
  • User Pedon ID: S08TX441103
  • Vegetation Plot ID: S08-TX441-3219
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - TAMU
  • Lab Pedon # - S08TX441103
  • NCSS Pedon Lab Data NASIS Record ID - 45596
  • Print Date: 5/20/2024

    • 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: 32.1890450
  • Std. Longitude: -99.8751450
  • Datum: WGS84
  • Non-MLRA Soil Survey Area: TX441—Taylor County, Texas

    • PEDON

  • Describers Name: 78 Staff
  • Current Taxonomic Class: Fine, mixed, superactive, thermic Pachic Paleustolls
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Record Orgin: PedonPC
  • Sampled As Information:
  • Soil Name - Rotan
  • Taxonomic Class - Fine, mixed, superactive, thermic Pachic Paleustolls
  • PSC - 28 to 78 cm.
  • Classificaton Date - 11/13/2008
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - ustic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from limestone
  • Landform: hillslope
  • Geomorphic Component Hills: base slope
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/13/2008 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - other tree cover
  • 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

    ARIST

    BOCU

    PRGL2

    SCSC

    THUJA

    Aristida

    Bouteloua curtipendula

    Prosopis glandulosa

    Schizachyrium scoparium

    Thuja

    threeawn

    sideoats grama

    honey mesquite

    little bluestem

    arborvitae

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

    mollic epipedon

    argillic horizon

    secondary carbonates

    slickensides

    0—28

    28—179

    28—80

    80—179

    —28—

    —151—

    —52—

    —99—
    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

    2

    —

    —

    662

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    A—0 to 10 centimeters (0.0 to 3.9 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/2), moist; clay loam; 30 percent clay; moderate medium subangular blocky structure; slightly hard, friable, very sticky, very plastic; 2.0 very fine roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; 1.0 medium moderate-continuity tubular and 2.0 fine moderate-continuity tubular pores; fragments; noneffervescent; clear smooth boundary. Lab sample # TAMU7373
    AB—10 to 28 centimeters (3.9 to 11.0 inches); dark brown (7.5YR 3/2), dark brown (7.5YR 3/3), moist; clay loam; 33 percent clay; strong medium subangular blocky structure; moderately hard, firm, very sticky, very plastic; 2.0 very fine roots throughout and 1.0 very coarse roots throughout and 1.0 medium roots throughout and 2.0 fine roots throughout; 1.0 medium moderate-continuity tubular and 1.0 fine moderate-continuity tubular pores; fragments; noneffervescent; clear smooth boundary. Lab sample # TAMU7374
    Btk1—28 to 60 centimeters (11.0 to 23.6 inches); dark brown (7.5YR 3/3), dark brown (7.5YR 3/2), moist; clay loam; 36 percent clay; strong fine prismatic parts to strong fine and medium angular blocky structure; moderately hard, firm, very sticky, very plastic; 2.0 very fine roots throughout and 2.0 medium roots throughout; 5 percent faint clay films on all faces of peds; 2 percent fine faint threadlike noncoherent cemented carbonate masses with diffuse boundaries in matrix; fragments; very slight effervescence; clear smooth boundary. Lab sample # TAMU7375. patchy - phpvsfiid 440721; patchy - phpvsfiid 440721
    Btk2—60 to 80 centimeters (23.6 to 31.5 inches); brown (7.5YR 4/3), brown (7.5YR 4/2), moist; clay loam; 37 percent clay; strong fine prismatic parts to strong fine and medium angular blocky structure; hard, very firm, very sticky, very plastic; 2.0 very fine roots in cracks and 1.0 medium roots throughout; 1.0 fine moderate-continuity tubular pores; 5 percent faint clay films on all faces of peds; 2 percent fine faint threadlike noncoherent cemented carbonate masses with diffuse boundaries in matrix; 3 percent by volume nonflat subangular indurated 2-4-75 millimeter limestone, unspecified fragments; very slight effervescence; clear smooth boundary. Lab sample # TAMU7377. patchy - phpvsfiid 440722; patchy - phpvsfiid 440722
    Btss1—80 to 118 centimeters (31.5 to 46.5 inches); dark gray (7.5YR 4/1), brown (7.5YR 4/2), moist; clay; 44 percent clay; strong fine prismatic parts to strong fine prismatic structure; hard, very firm, very sticky, very plastic; 2.0 very fine roots in cracks and 1.0 fine roots in cracks; 5 percent faint clay films on all faces of peds and 10 percent distinct slickensides (pedogenic) on vertical faces of peds; 2 percent by volume nonflat subangular indurated 2-4-75 millimeter limestone, unspecified fragments; very slight effervescence; gradual smooth boundary. Lab sample # TAMU7379. patchy - phpvsfiid 440723; continuous - phpvsfiid 440726; patchy - phpvsfiid 440723; continuous - phpvsfiid 440726
    Btss2—118 to 136 centimeters (46.5 to 53.5 inches); dark gray (7.5YR 4/1), brown (7.5YR 4/2), moist; clay; 35 percent clay; strong fine prismatic parts to strong fine and medium prismatic structure; moderately hard, firm, very sticky, very plastic; 2.0 very fine roots in cracks; 5 percent faint clay films on all faces of peds and 5 percent distinct slickensides (pedogenic) on vertical faces of peds; 3 percent by volume nonflat subangular indurated 2-4-75 millimeter limestone, unspecified fragments; noneffervescent; clear smooth boundary. Lab sample # TAMU7380. continuous - phpvsfiid 440727; patchy - phpvsfiid 440724; continuous - phpvsfiid 440727; patchy - phpvsfiid 440724
    Btss3—136 to 179 centimeters (53.5 to 70.5 inches); 40 percent yellow (2.5Y 7/8) and 30 percent brown (7.5YR 5/3), 40 percent olive yellow (2.5Y 6/8) and 30 percent brown (7.5YR 4/3), moist; clay; 38 percent clay; 30 percent brown (7.5YR 4/3) coarse prominent irregular and 30 percent brown (7.5YR 5/3) coarse prominent irregular mottles; strong fine prismatic parts to strong fine and medium wedge structure; moderately hard, firm, very sticky, very plastic; 2.0 medium roots throughout and 2.0 fine roots throughout; 5 percent faint clay films on all faces of peds and 5 percent distinct slickensides (pedogenic) on vertical faces of peds; fragments; noneffervescent; abrupt wavy boundary. Lab sample # TAMU7381. patchy - phpvsfiid 440725; continuous - phpvsfiid 440728; patchy - phpvsfiid 440725; continuous - phpvsfiid 440728
    C1—179 to 240 centimeters (70.5 to 94.5 inches); 40 percent reddish yellow (7.5YR 6/8) and 30 percent very pale brown (10YR 7/3) and 30 percent brown (7.5YR 5/3), 40 percent strong brown (7.5YR 5/8) and 30 percent pale brown (10YR 6/3) and 30 percent brown (7.5YR 5/3), moist; clay; 42 percent clay; 30 percent pale brown (10YR 6/3) coarse distinct irregular and 30 percent very pale brown (10YR 7/3) coarse distinct irregular and 30 percent brown (7.5YR 5/3) coarse distinct irregular and 30 percent dark brown (7.5YR 3/3) coarse distinct irregular mottles; moderate fine prismatic parts to moderate fine prismatic structure; moderately hard, firm, very sticky, very plastic; 1.0 very fine roots in cracks and 1.0 fine roots in cracks; fragments; noneffervescent; clear wavy boundary. Lab sample # TAMU7383
    C2—240 to 300 centimeters (94.5 to 118.1 inches); 80 percent white (10YR 8/1) and 20 percent yellow (10YR 7/8), 80 percent white (10YR 8/1) and 20 percent brownish yellow (10YR 6/8), moist; sandy clay loam; 38 percent clay; 20 percent brownish yellow (10YR 6/8) coarse distinct irregular and 20 percent yellow (10YR 7/8) coarse distinct irregular mottles; structureless massive; hard, very firm, moderately sticky, moderately plastic; 1.0 very fine roots in cracks and 1.0 fine roots in cracks; fragments; very slight effervescence; clear wavy boundary. Lab sample # TAMU7385
    2C3—300 to 370 centimeters (118.1 to 145.7 inches); 80 percent white (7.5YR 8/1) and 20 percent reddish yellow (7.5YR 7/8), 80 percent light gray (7.5YR 7/1) and 20 percent reddish yellow (7.5YR 6/8), moist; clay; 68 percent clay; 20 percent reddish yellow (7.5YR 6/8) coarse distinct irregular and 20 percent reddish yellow (7.5YR 7/8) coarse distinct irregular mottles; structureless massive; hard, very firm, very sticky, very plastic; 1.0 very fine roots in cracks; fragments; very slight effervescence. Lab sample # TAMU7387