IDENTIFIERS

  • Current Taxon Name (Soil Name): Malaquite
  • OSD
  • Series Extent
  • User Site ID: 150B-2003-TX-273-DNB-004
  • User Pedon ID: S03TX-273-004
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Pedon # - S03TX273-004
  • 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: 27.2908325
  • Std. Longitude: -97.3621368
  • Datum: WGS84
  • Location Description: Kleberg County, Texas; from the intersection of Park Road 22 and the county line between Kleberg and Nueces Counties on Padre Island; 8.0 miles southwest on Park Road 22 to the pay station entrance of Padre Island National Seashore; continue 2.4 miles southwest on Park Road to the end of the paved road; continue 7.0 miles south on beach to the entrance of Pan Am road; 0.2 mile northwest, and 3.2 miles southwest on Pan Am road; 200 feet west in barrier flat in rangeland.
  • Country: US—United States
  • State: Texas
  • County: TX273—Kleberg
  • MLRA: 150B—Gulf Coast Saline Prairies
  • Non-MLRA Soil Survey Area: TX613—Kenedy and Kleberg Counties, Texas
  • 7.5 Minute USGS Quad: 27097-C3—South Bird Island SE, Texas

    • PEDON

  • Describers Name: Dennis N. Brezina, Conrad L. Neitsch, Ramiro Molina and Nathan I. Haile
  • Current Taxonomic Class: Sandy, siliceous, hyperthermic Typic Halaquepts
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Windows Pedon
  • Correlated Information:
  • Soil Name - Malaquite
  • PSC - 25 to 100 cm.
  • Classificaton Date - 6/17/2011
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Malaquite
  • Classificaton Date - 5/21/2003
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: Sandy eolian and storm washover sediments of Holocene age.
  • Runoff: negligible
  • Drainage Class: poorly
  • Flooding: occasional flooding for very brief periods begining in jul
  • Geology: Qbi-barrier Island Deposits formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/21/2003 (actual site observation date)
  • Air Photo ID: 24C
  • Plant Association Name: Salt Flat Range Site (150BY549TX)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
    • 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 % % % % % % % % % % % % %

    Anz

    Cnzg1

    Cnzg2

    Anzb

    Cnzgb1

    Cnzgb2

    Cnzgb3

    Cnzgb4

    0

    12

    30

    53

    69

    97

    175

    216

    12

    30

    53

    69

    97

    175

    216

    234

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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

    Anz

    Cnzg1

    Cnzg2

    Anzb

    Cnzgb1

    Cnzgb2

    Cnzgb3

    Cnzgb4

    0

    12

    30

    53

    69

    97

    175

    216

    12

    30

    53

    69

    97

    175

    216

    234

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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 %

    Anz

    Cnzg1

    Cnzg2

    Anzb

    Cnzgb1

    Cnzgb2

    Cnzgb3

    Cnzgb4

    0

    12

    30

    53

    69

    97

    175

    216

    12

    30

    53

    69

    97

    175

    216

    234

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    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

    ec meter, saturated paste

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    35

    26

    36

    39

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    38

    32

    35

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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

    —

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    0.6

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    686

    —

    320

    22.2

    28.7

    14.6

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    Anz—0 to 12 centimeters (0.0 to 4.7 inches); grayish brown (10YR 5/2), light gray (10YR 7/2), dry; fine sand; fine and medium subangular blocky structure; soft, very friable; 5.0 very fine and fine roots and 3.0 medium roots; ; 5 percent fine and medium distinct yellowish brown (10YR 5/6) masses of oxidized iron with sharp boundaries lining pores; 1 percent fine shell fragments; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear smooth boundary. Lab sample #
    Cnzg1—12 to 30 centimeters (4.7 to 11.8 inches); light brownish gray (10YR 6/2), light gray (2.5Y 7/2), dry; fine sand; weak fine and medium subangular blocky structure; soft, very friable; 4.0 very fine and fine roots; 1 percent fine and medium prominent black (N 2.5/0) iron-manganese masses with sharp boundaries lining pores and 1 percent medium and coarse faint gray (10YR 5/1) iron depletions with clear boundaries in matrix and 3 percent fine prominent strong brown (7.5YR 4/6) masses of oxidized iron with sharp boundaries lining pores and 7 percent fine and medium prominent yellowish brown (10YR 5/6) masses of oxidized iron with sharp boundaries lining pores; 1 percent fine shell fragments; fragments; very slight effervescence, by hcl, 1n; strongly alkaline, pH 8.5, pH meter; clear smooth boundary.
    Cnzg2—30 to 53 centimeters (11.8 to 20.9 inches); light brownish gray (2.5Y 6/2), light gray (10YR 7/2), dry; fine sand; weak coarse prismatic structure; loose, loose; 3.0 very fine and fine roots; 1 percent fine prominent yellowish red (5YR 4/6) masses of oxidized iron with sharp boundaries lining pores and 2 percent fine and medium prominent brownish yellow (10YR 6/6) masses of oxidized iron with sharp boundaries lining pores and 4 percent fine and medium distinct black (N 2.5/0) iron-manganese masses with sharp boundaries lining pores and 5 percent medium distinct gray (10YR 5/1) iron depletions with clear boundaries in matrix; 2 percent fine shell fragments; fragments; noneffervescent, by hcl, 1n; strongly alkaline, pH 8.5, pH meter; clear smooth boundary.
    Anzb—53 to 69 centimeters (20.9 to 27.2 inches); very dark gray (2.5Y 3/1), grayish brown (2.5Y 5/2), dry; fine sand; single grain; loose, loose; 2.0 very fine and fine roots; 3 percent medium distinct dark gray (2.5Y 4/1) iron depletions with clear boundaries in matrix; 1 percent fine shell fragments; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; clear smooth boundary.
    Cnzgb1—69 to 97 centimeters (27.2 to 38.2 inches); gray (10YR 5/1), light brownish gray (10YR 6/2), dry; fine sand; single grain; loose, loose; 1.0 very fine and fine roots; 2 percent fine distinct yellowish brown (10YR 5/4) masses of oxidized iron with sharp boundaries lining pores and 2 percent fine and medium distinct light brownish gray (10YR 6/2) iron depletions with diffuse boundaries in matrix; 10 percent fine and medium shell fragments; fragments; very slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter; clear smooth boundary.
    Cnzgb2—97 to 175 centimeters (38.2 to 68.9 inches); gray (2.5Y 6/1), light gray (2.5Y 7/1), dry; fine sand; single grain; loose, loose; 1.0 very fine and fine roots; 5 percent medium faint gray (2.5Y 5/1) iron depletions with diffuse boundaries in matrix; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3, pH meter; clear smooth boundary.
    Cnzgb3—175 to 216 centimeters (68.9 to 85.0 inches); greenish gray (10Y 6/1), light gray (2.5Y 7/1), dry; fine sand; single grain; loose, loose; 1.0 very fine and fine roots; 3 percent medium distinct dark greenish gray (5GY 4/1) and 3 percent medium prominent dark gray (5Y 4/1) iron depletions with clear boundaries in matrix and 5 percent medium faint greenish gray (5GY 5/1) iron depletions with diffuse boundaries in matrix; 2 percent fine and medium shell fragments; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.1, pH meter; clear smooth boundary.
    Cnzgb4—216 to 234 centimeters (85.0 to 92.1 inches); greenish gray (10Y 5/1), light gray (2.5Y 7/1), dry; fine sand; single grain; loose, loose; 5 percent medium distinct dark greenish gray (5GY 4/1) iron depletions with clear boundaries in matrix; 2 percent fine and medium shell fragments; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.2, pH meter.