IDENTIFIERS

  • Current Taxon Name (Soil Name): Dacosta
  • OSD
  • Series Extent
  • User Site ID: S1978TX469001
  • User Pedon ID: 78TX469001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 79P0035
  • NCSS Pedon Lab Data NASIS Record ID - 46219
  • User Project ID: 9-ROS-SDJR-FY16
  • Project Name: SDJR - MLRA 150A - Dacosta 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: 28.6800000
  • Std. Longitude: -96.7877778
  • Datum: WGS84
  • Location Description: From junction of FR 616 and US87 in Placedo 3 km SE on 87 1.8 km NE on gravel rd to drainage ditch 240m SE 209m S
  • State: Texas
  • County: TX469—Victoria
  • MLRA: 150A—Gulf Coast Prairies
  • Non-MLRA Soil Survey Area: TX469—Victoria County, Texas

    • PEDON

  • Describers Name: G. Lane W. Miller P. Flores R. Bruns and A. Peer
  • Current Taxonomic Class: Fine, smectitic, hyperthermic Vertic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Dacosta
  • PSC - 30 to 80 cm.
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - Dacosta
  • Taxonomic Class - Fine, montmorillonitic, hyperthermic Vertic Ochraq
  • Taxon Kind - series
  • Classificaton Date - 11/1/1978
  • Moisture Class - aquic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: loamy fluviomarine deposits derived from igneous and metamorphic rock
  • Landscape: relict meander belt
  • Landform: flat
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 11/1/1978 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

    Bt1

    Bt2

    Bt3

    Bt4

    Btk

    2Btk

    2BCtk

    0

    15

    30

    53

    74

    102

    132

    198

    15

    30

    53

    74

    102

    132

    198

    229

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    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

    Bt1

    Bt2

    Bt3

    Bt4

    Btk

    2Btk

    2BCtk

    0

    15

    30

    53

    74

    102

    132

    198

    15

    30

    53

    74

    102

    132

    198

    229

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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

    Bt1

    Bt2

    Bt3

    Bt4

    Btk

    2Btk

    2BCtk

    0

    15

    30

    53

    74

    102

    132

    198

    15

    30

    53

    74

    102

    132

    198

    229

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

    ochric epipedon

    argillic horizon

    0—15

    30—102

    —-

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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

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    13.7

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    A—0 to 15 centimeters (0.0 to 5.9 inches); very dark gray (10YR 3/1) interior, dark gray (10YR 4/1) interior, dry; very fine sandy loam; very hard, firm, moderately sticky, slightly plastic; fragments; clear smooth boundary. Lab sample # 79P00175
    Bt1—15 to 30 centimeters (5.9 to 11.8 inches); very dark gray (10YR 3/1) interior, dark gray (10YR 4/1) interior, dry; sandy clay loam; weak fine and medium subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; fragments; clear smooth boundary. Lab sample # 79P00176
    Bt2—30 to 53 centimeters (11.8 to 20.9 inches); dark gray (10YR 4/1) interior, gray (10YR 5/1) interior, dry; sandy clay; very hard, very firm, moderately sticky, moderately plastic; 2.5 fine roots; 15 percent pressure faces on faces of peds and 15 percent gray (10YR 5/1) clay films on faces of peds; fragments; clear wavy boundary. Lab sample # 79P00177. Pressure faces 5 to 10 mm across.; few pressure faces surface features on faces of peds; few clay films surface features on faces of peds; common fine roots
    Bt3—53 to 74 centimeters (20.9 to 29.1 inches); dark gray (10YR 4/1) interior, gray (10YR 5/1) interior, dry; clay; very hard, very firm, moderately sticky, moderately plastic; 0.5 very fine and fine roots; 15 percent pressure faces on faces of peds and 15 percent gray (10YR 5/1) clay films on faces of peds; fragments; clear wavy boundary. Lab sample # 79P00178. Pressure faces are 5 to 10 mm across.; few pressure faces surface features on faces of peds; few clay films surface features on faces of peds; few very fine and fine roots
    Bt4—74 to 102 centimeters (29.1 to 40.2 inches); dark gray (10YR 4/1) interior, gray (10YR 5/1) interior, dry; clay; weak fine and medium subangular blocky structure; very hard, very firm, moderately sticky, moderately plastic; 15 percent pressure faces on faces of peds and 15 percent gray (10YR 5/1) clay films on faces of peds; 1 percent fine dark concretions; fragments; gradual wavy boundary. Lab sample # 79P00179. Pressure faces are 5 to 10 mm across and carbonate concretions are pitted.; few fine dark concretions concentrations; few pressure faces surface features on faces of peds; few clay films surface features on faces of peds
    Btk—102 to 132 centimeters (40.2 to 52.0 inches); light brownish gray (2.5Y 6/2) interior, light gray (2.5Y 7/2) interior, dry; sandy clay; weak fine and medium subangular blocky structure; very hard, very firm; 15 percent gray (10YR 5/1) clay films on faces of peds; 1 percent fine dark concretions; fragments; gradual wavy boundary. Lab sample # 79P00180. Carbonate concretions are pitted.; few fine dark concretions concentrations; few clay films surface features on faces of peds
    2Btk—132 to 198 centimeters (52.0 to 78.0 inches); light brownish gray (10YR 6/2) interior, light gray (10YR 7/2) interior, dry; sandy clay loam; 11 percent 5YR 4/8 (5YR 4/8) coarse prominent mottles; weak fine and medium columnar structure; very hard, very firm; 15 percent light brownish gray (10YR 6/2) clay films on faces of peds; 1 percent fine dark concretions; fragments; gradual wavy boundary. Lab sample # 79P00181. Large masses of carbonate part to hard pitted concretions. Few hard to very hard calcium carbonate fragments 2 to 10 cm across and 5 to 10 mm thick.; few fine dark concretions concentrations; few clay films surface features on faces of peds; common coarse prominent 5YR48 mottles
    2BCtk—198 to 229 centimeters (78.0 to 90.2 inches); very pale brown (10YR 7/4) interior, very pale brown (10YR 8/4) interior, dry; sandy clay loam; very hard, very firm; fragments. Lab sample # 79P00182