IDENTIFIERS

  • Current Taxon Name (Soil Name): Laewest
  • OSD
  • Series Extent
  • User Site ID: S1999TX469001A
  • User Pedon ID: 99TX469001A
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 00P0385
  • NCSS Pedon Lab Data NASIS Record ID - 11898
  • User Project ID: 9-ROS-SDJR-FY16
  • Project Name: SDJR - MLRA 150A - Laewest 0 to 1
  • Print Date: 11/23/2024

    • 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: 28.7200000
  • Std. Longitude: -96.7564694
  • Datum: WGS84
  • Map Unit: LaA—Laewest clay, 0 to 1 percent slopes
  • State: Texas
  • County: TX469—Victoria
  • MLRA: 150A—Gulf Coast Prairies
  • Non-MLRA Soil Survey Area: TX469—Victoria County, Texas
  • 7.5 Minute USGS Quad: 28096-F7—Placedo, Texas

    • PEDON

  • Current Taxonomic Class: Fine, smectitic, hyperthermic Typic Haplusterts
  • Current Taxon Kind: series
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Laewest (flagged as OSD)
  • PSC - 25 to 102 cm.
  • Classificaton Date - 12/2/2015
  • Classifier - Kenneth Hall
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Laewest (High)
  • Taxonomic Class - Fine, smectitic Chromic Hapluderts
  • Classificaton Date - 11/17/1999
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1
  • QA Status: level 1


    • SITE

  • Parent Material: clayey fluviomarine deposits derived from igneous, metamorphic and sedimentary rock
  • Landscape: coastal plain
  • Landform: flat
  • Geomorphic Component Flats: talf
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: moderately well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/17/1999 (actual site observation date)
  • Surface Cover Properties:
  • 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

    0.5

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    —

    11.9

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    —

    —

    —

    —

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    Ak—0 to 11 centimeters (0.0 to 4.3 inches); dark gray (10YR 4/1), dark gray (10YR 4/1), moist; clay; moderate medium subangular blocky, and moderate fine and medium angular blocky structure; very hard, very firm; 3.0 very fine and fine roots and medium roots; 3.0 fine interstitial pores; very pale brown (10YR 8/3) carbonate nodules and 5 percent fine and medium white (10YR 8/1); fragments; gradual wavy boundary. Lab sample # 00P02648
    Bk—11 to 28 centimeters (4.3 to 11.0 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; moderate medium angular blocky structure; very hard, very firm; 3.0 very fine and fine roots; 3.0 fine tubular pores; 8 percent fine and medium carbonate nodules; fragments; strong effervescence; gradual wavy boundary. Lab sample # 00P02649. common cracks 1 centimeter to 3 centimeters in width filled with dark gray (10YR 4/1) clay; 1 percent fine spherical very dark brown (10YR 2/2) nodules of iron-manganese; about 4 percent of the horizon is brown (10YR 5/3) clay.
    Bkss1—28 to 119 centimeters (11.0 to 46.9 inches); grayish brown (2.5Y 5/2), dark grayish brown (2.5Y 4/2), moist; clay; moderate medium wedge, and moderate coarse wedge parts to moderate coarse platy structure; very hard, very firm; 0.1 very fine roots between peds; 3.0 fine tubular pores; 1 percent fine very dark brown (10YR 2/2) iron-manganese nodules; 15 percent fine and medium carbonate nodules; fragments; violent effervescence; gradual wavy boundary. Lab sample # 00P02650. 45 percent distinct gray (2.5Y 5/1) slickensides tilted at 50 to 65 degrees from the horizontal; common cracks 1 centimeter to 3 centimeters in width filled with dark gray (10YR 4/1) clay.
    Bkss2—119 to 172 centimeters (46.9 to 67.7 inches); light yellowish brown (2.5Y 6/3), light olive brown (2.5Y 5/3), moist; clay; moderate medium wedge, and coarse structure; very hard, very firm; 0.1 very fine roots between peds; 0.1 very fine tubular pores; 1 percent fine very dark brown (10YR 2/2) iron-manganese nodules; fragments; violent effervescence; clear wavy boundary. Lab sample # 00P02651. 55 percent prominent grayish brown (2.5Y 5/2) and dark gray (10YR 4/1) slickensides tilted at 40 to 65 degrees from the horizontal.
    Bkss3—172 to 198 centimeters (67.7 to 78.0 inches);, yellowish brown (10YR 5/4), moist; clay; moderate medium and coarse wedge structure; very hard, very firm; 0.1 very fine roots; 0.1 very fine tubular pores; 1 percent fine very dark brown (10YR 2/2) iron-manganese nodules; 3 percent worm casts and 2 percent medium and coarse carbonate nodules; fragments; violent effervescence; clear wavy boundary. Lab sample # 00P02652. 40 percent distinct grayish brown (2.5Y 5/2) slickensides tilted at 55 degrees from the horizontal; common cracks .5 to 1.5 centimeters wide filled with dark gray (10YR 4/1) clay.
    Bss—198 to 205 centimeters (78.0 to 80.7 inches);, 80 percent brownish yellow (10YR 6/6) and 20 percent light gray (2.5Y 7/1), moist; clay; moderate medium and coarse angular blocky structure; hard when dry, firm; 3.0 very fine roots; 3.0 very fine tubular pores; fragments; strong effervescence; gradual wavy boundary. Lab sample # 00P02653. 30 percent distinct slickensides tilted at 20 to 30 degrees from the horizontal; 1 percent fine prominent dendritic very dark brown (7.5YR 2/2) iron-manganese masses on slickenside surfaces with sharp boundaries; 1 percent fine prominent reddish yellow (5YR 6/8) masses of oxidized iron in matrix with sharp boundaries; 2 percent fine distinct reddish yellow (7.5YR 6/8) masses of oxidized iron in matrix with clear boundaries; light gray (2.5Y 7/1) matrix is mostly along slickenside surfaces and as a depletion on root pores; less than 1 percent fine cylindrical carbonate nodules; very few very fine clean rounded quartz grains throughout.
    B'ss3—205 to 265 centimeters (80.7 to 104.3 inches);, 70 percent yellow (10YR 7/6) and 25 percent light gray (2.5Y 7/1), moist; clay; moderate coarse angular blocky structure; hard when dry, firm; fragments; strong effervescence. Lab sample # 00P02654. 25 percent distinct slickensides tilted at 20 to 30 degrees from the horizontal; 1 percent fine prominent yellowish red (5YR 4/6) masses of oxidized iron lining pores with sharp boundaries; 1 percent fine distinct strong brown (7.5YR 5/6) masses of oxidized iron lining pores with clear boundaries; 2 percent fine prominent dendritic black (7.5YR 2.5/1) iron-manganese masses on slickenside surfaces with sharp boundaries; less than 1 percent fine cylindrical carbonate masses; light gray (2.5Y 7/1) matrix is mostly along slickenside surfaces.