IDENTIFIERS

  • Current Taxon Name (Soil Name): Laewest
  • OSD
  • Series Extent
  • User Site ID: S1999TX469001
  • User Pedon ID: 99TX469001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - KSSL
  • Lab Pedon # - 00P0384
  • NCSS Pedon Lab Data NASIS Record ID - 11897
  • 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
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Laewest (Low)
  • Taxonomic Class - Fine, smectitic Typic Hapluderts
  • Taxon Kind - series
  • Classificaton Date - 11/17/1999
  • 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
    • Pedon Horizon Lab Results - 1
    Horizon Top Depth Bottom Depth Sample ID Data Collector Total Clay CaCO3 Clay Total Silt Fine Silt Co. Silt Total Sand Total Sand Method VC Sand Co. Sand Med. Sand Fine Sand VF Sand VF Sand Method Texture Class - Field Lab Rubbed Fiber Unrubbed Fiber pH H2O
    cm cm % % % % % % % % % % % % %

    A

    Bss1

    Bss2

    Bss3

    Bkss1

    Bkss2

    B'ss1

    0

    16

    43

    74

    118

    154

    176

    16

    43

    74

    118

    154

    176

    222

    99TX469001-1

    99TX469001-2

    99TX469001-3

    99TX469001-4

    99TX469001-5

    99TX469001-6

    99TX469001-7

    —

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    50.7

    49.8

    53.2

    56.3

    55.1

    60

    59.1

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    —

    —

    —

    —

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    24

    25.2

    25.2

    22.9

    22.5

    30.3

    27.4

    17.5

    17.1

    —

    18.1

    19.3

    26

    23.9

    6.5

    8.1

    —

    4.8

    3.2

    4.3

    3.5

    25.3

    25

    25

    20.8

    22.4

    9.7

    13.5

    hydrometer

    hydrometer

    hydrometer

    hydrometer

    hydrometer

    hydrometer

    hydrometer

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    0.8

    0.1

    —

    0.1

    —

    0.1

    —

    0.6

    0.2

    —

    0.6

    0.7

    0.4

    0.5

    0.9

    0.2

    0.2

    12

    12.3

    9.6

    10.2

    10.7

    4.9

    7.4

    12.6

    12

    11

    10.1

    9.4

    4.3

    5.9

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    300 mesh sieve

    c

    c

    c

    c

    c

    c

    c

    —

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    6.1

    6.5

    6.8

    7.3

    7.9

    7.9

    8
    Pedon Horizon Lab Results - 2
    Horizon Top Depth Bottom Depth Sample ID pH CaCl2 pH NaF pH Ox Delta pH LL PL PI Atter. Samp. Cond. COLE Pot. Acidity Ca + Mg - Meh 2 K Ca + Mg - Sat. Paste KCl Extract. Acidity Base Sat. - Meh 2 CEC-7 CEC-8.2
    cm cm % % % cm/cm meq/100g cmol(+)/kg cmol(+)/kg mmol(+)/l cmol(+)/kg % cmol(+)/kg cmol(+)/kg

    A

    Bss1

    Bss2

    Bss3

    Bkss1

    Bkss2

    B'ss1

    0

    16

    43

    74

    118

    154

    176

    16

    43

    74

    118

    154

    176

    222

    99TX469001-1

    99TX469001-2

    99TX469001-3

    99TX469001-4

    99TX469001-5

    99TX469001-6

    99TX469001-7

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    Pedon Horizon Lab Results - 3
    Horizon Top Depth Bottom Depth Sample ID ECEC Phosphate P NO3-N EC EC Method EC 1:5 by volume CaCO3 Equiv. Equiv. Gypsum Na SAR Gypsum Req. Humic Color Fulvic Color Humic + Fulvic Color Al PI Pyro. Hue PyrO. Value Pyro. Chroma
    cm cm cmol(+)/kg mg/kg mg/kg dS/m dS/m % % mmol(+)/l % L-pcu/g L-pcu/g L-pcu/g %

    A

    Bss1

    Bss2

    Bss3

    Bkss1

    Bkss2

    B'ss1

    0

    16

    43

    74

    118

    154

    176

    16

    43

    74

    118

    154

    176

    222

    99TX469001-1

    99TX469001-2

    99TX469001-3

    99TX469001-4

    99TX469001-5

    99TX469001-6

    99TX469001-7

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    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

    —

    —

    11.9

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    A—0 to 16 centimeters (0.0 to 6.3 inches); black (10YR 2/1), black (10YR 2/1), moist; clay; moderate fine and medium subangular blocky structure; hard when dry, firm; 3.0 very fine and fine roots and 3.0 coarse roots; 3.0 fine vesicular pores; 10 percent faint pressure faces; 1 percent insect casts; fragments; clear smooth boundary. Lab sample # 00P02639
    Bss1—16 to 43 centimeters (6.3 to 16.9 inches); black (10YR 2/1), black (10YR 2/1), moist; clay; moderate medium subangular blocky structure; very hard, firm; 3.0 very fine and fine roots; 0.5 fine tubular pores; 30 percent distinct pressure faces; fragments; gradual smooth boundary. Lab sample # 00P02640. 20 percent distinct slickensides tilted at 20 to 40 degrees from the horizontal; less than 1 percent fine spherical black (7.5YR 2/1) iron-manganese nodules; less than 1 percent fine iron manganese masses; common cracks 0.5 to 2.5 centimeters wide.
    Bss2—43 to 74 centimeters (16.9 to 29.1 inches); black (10YR 2/1), black (10YR 2/1), moist; clay; moderate medium subangular blocky structure; very hard, firm; 3.0 very fine and fine roots; 3.0 very fine tubular pores; fragments; gradual smooth boundary. Lab sample # 00P02641. 60 percent prominent slickensides tilted at 50 degrees from the horizontal; less than 1 percent fine black (7.5YR 2/1) iron-manganese nodules; less than 1 percent fine iron manganese masses.
    Bss3—74 to 118 centimeters (29.1 to 46.5 inches); very dark gray (10YR 3/1), black (10YR 2/1), moist; clay; moderate medium angular blocky, and moderate fine and medium wedge structure; very hard, firm; 3.0 very fine and fine roots; fragments; gradual wavy boundary. Lab sample # 00P02642. 70 percent prominent slickensides tilted at 50 degrees from the horizontal; 1 percent fine snail shell fragments; less than 1 percent fine iron-manganese nodules.
    Bkss1—118 to 154 centimeters (46.5 to 60.6 inches); very dark gray (10YR 3/1), very dark gray (10YR 3/1), moist; clay; moderate medium and coarse wedge parts to strong medium and coarse angular blocky structure; very hard, firm; 3.0 very fine roots; fragments; clear wavy boundary. Lab sample # 00P02643. 60 percent prominent slickensides are tilted at 40 to 50 degrees from the horizontal; 5 percent fine spherical carbonate nodules with few having a hollow center; 1 percent medium plant phytoliths; less than 1 percent fine iron-manganese masses.
    Bkss2—154 to 176 centimeters (60.6 to 69.3 inches);, 70 percent dark gray (10YR 4/1) and 30 percent yellowish brown (10YR 5/8), moist; clay; moderate medium and coarse angular blocky structure; very hard, firm; 1 percent fine carbonate nodules; fragments; strong effervescence; gradual wavy boundary. Lab sample # 00P02644. common very fine roots on surfaces of slickensides; 45 percent distinct slickensides tilted at 40 degrees from the horizontal with dark gray (10YR 4/1) organic coats on slickenside surfaces; less than 1 percent fine prominent strong brown (7.5YR 5/8) masses of oxidized iron with sharp boundaries in matrix; 1 percent fine carbonate nodules; 2 percent medium and coarse carbonate masses with few having fine nodules in the center; common cracks 5 centimeters wide filed with black (10YR 2/1) clay.
    B'ss1—176 to 222 centimeters (69.3 to 87.4 inches);, 80 percent brownish yellow (10YR 6/6) and light yellowish brown (10YR 6/4), moist; clay; moderate medium and coarse angular blocky structure; hard when dry, firm; fragments; strong effervescence; gradual wavy boundary. Lab sample # 00P02645. common v.fine roots on surfaces of slickensides; 40% distinct slickensides tilted at 20 to 30 degrees from the horizontal with dark gray (10YR 4/1) organic coats on slickenside surfaces; 1% fine & medium distinct dark grayish brown (2.5Y 4/2) iron depletions with clear boundaries lining root pores & on slickenside surfaces; 1% fine distinct strong brown (7.5YR 5/8) masses of oxidized iron with sharp boundaries in matrix; 1% fine distinct very dark brown (7.5YR 2/2) iron-manganese masses along ped faces with sharp boundaries; 1% v.fine iron-manganese masses on slickenside surfaces; less than 1% fine carb. nodule; less than 1% fine & med. carb. masses; less than 1% med. gypsum nests; less than 1% med. gypsum crystals
    B'ss2—222 to 245 centimeters (87.4 to 96.5 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 # 00P02646. 30% distinct slickensides tilted at 20 to 30 degrees from the horizontal; 1% fine prominent dendritic very dark brown (7.5YR 2/2) iron-manganese masses on slickenside surfaces with sharp boundaries; 1% fine prominent reddish yellow (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—245 to 265 centimeters (96.5 to 104.3 inches); 25 percent light gray (2.5Y 7/1), 70 percent yellow (10YR 7/6), moist; clay; moderate coarse angular blocky structure; hard when dry, firm; fragments; strong effervescence. Lab sample # 00P02647. 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; lighter gray (2.5Y 7/1) matrix is mostly along slickenside surfaces.