IDENTIFIERS

  • Current Taxon Name (Soil Name): La Tea
  • OSD
  • Series Extent
  • User Site ID: D02PR067001
  • User Pedon ID: D02PR067001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 03N0658
  • NCSS Pedon Lab Data NASIS Record ID - 15912
  • Print Date: 2/16/2025

    • 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: 18.0977778
  • Std. Longitude: -67.1152778
  • Datum: WGS84
  • Location Description: La Tea cobbly clay, in an area of La Tea-Limestone outcrop complex, 20 to 60 percent slopes; approximately 0.6 mile northeast of the city of Hormigueros downtown from the intersection of P.R. Hwy. 344 and P.R. Hwy. 345; about 0.6 mile northwest from the intersection of P.R. Hwy. 344 and Hwy. 346; about 20 feet west of paved road on forestland; Hormigueros Municipality. (USGS Rosario topographic quadrangle (1964); lat. 18 degrees 05 minutes 52 seconds N. and 67 degrees 06 minutes 55 seconds W.)
  • Map Unit: Lo—Limestone outcropLeF—La Tea-Limestone outcrop complex, 20 to 60 percent slopes
  • Non-MLRA Soil Survey Area: PR684—Mayaguez Area, Puerto Rico Western PartPR787—San German Area, Southwestern Puerto Rico

    • PEDON

  • Describers Name: Jorge L. Lugo; Samuel Rios
  • Current Taxonomic Class: Clayey, vermiculitic, isohyperthermic, shallow Typic Argiudolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - La Tea
  • PSC - 13 to 41 cm.
  • Classificaton Date - 2/27/2009
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - udic
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Limestone rockland
  • Classificaton Date - 6/10/2002
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: colluvium and residuum that weathered from limestone bedrock
  • Landscape: humid limestone mountains mountains, humid limestone hills hills
  • Landform: mountain slope, hillslope
  • Geomorphic Component Hills: base slope
  • Geomorphic Component Mountains: mountainflank, lower third
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Complexity: complex
  • Slope Shape Across: convex
  • Slope Shape Down: linear
  • Drainage Pattern: dendritic
  • Runoff: very high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: limestone, unspecified at 41cm
  • Geology: Maestrichtian member of the Los Penones Limestone formation in the Kp group.
  • Surface Fragments: 14.00 percent 2- to 75-millimeter limestone, unspecified, 2.00 percent 254- to 608-millimeter limestone, unspecified, 25.00 percent 75- to 253-millimeter limestone, unspecified,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/10/2002 (actual site observation date)
  • Air Photo ID: 2C
  • Surface Water Kind: none observed
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - tropical
  • 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 % % % % % % % % % % % % %

    Ap

    Bt1

    Bt2

    0

    13

    28

    13

    28

    41

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    0

    0

    0

    0

    0

    0

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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

    Ap

    Bt1

    Bt2

    0

    13

    28

    13

    28

    41

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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 %

    Ap

    Bt1

    Bt2

    0

    13

    28

    13

    28

    41

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    1

    1

    1

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

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    41 - 46

    46 -

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

    mollic epipedon

    argillic horizon

    paralithic contact

    lithic contact

    0—13

    13—41

    41—46

    46—

    5—6—13

    23—28—33

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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

    40

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    50

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    195

    1459

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    365

    25.1

    26.4

    23.5

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    668757

    San German 4W

    Weather (NOAA)
    Ap—0 to 13 centimeters (0.0 to 5.1 inches); very dark grayish brown (10YR 3/2) broken face, very dark grayish brown (10YR 3/2) broken face, dry; cobbly clay; 4 percent sand; 25 percent silt; 71 percent clay; strong medium granular, and strong fine granular structure; slightly hard, firm, moderately sticky, moderately plastic; slow permeability; 6.0 very fine roots throughout and 6.0 medium roots throughout and 6.0 fine roots throughout; 3.0 medium irregular and 3.0 fine irregular pores; 2 percent by volume 255-432-609 millimeter limestone, unspecified fragments and 14 percent by volume 2-50-75 millimeter limestone, unspecified fragments and 25 percent by volume 76-165-254 millimeter limestone, unspecified fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.5, hellige-truog; clear smooth boundary. Lab sample # 03N02920; dry when described; observed in cut
    Bt1—13 to 28 centimeters (5.1 to 11.0 inches); very dark grayish brown (10YR 3/2) broken face, very dark grayish brown (10YR 3/2) broken face, dry; gravelly clay; 4 percent sand; 27 percent silt; 70 percent clay; moderate fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; slow permeability; 6.0 very fine roots throughout and 6.0 medium roots throughout and 6.0 fine roots throughout and 0.5 coarse roots throughout; 6.0 medium irregular and 6.0 fine irregular pores; 10 percent faint clay films on all faces of peds; 20 percent by volume 2-50-75 millimeter limestone, unspecified fragments; noneffervescent, by hcl, 1n; slightly alkaline, pH 7.5, hellige-truog; clear wavy boundary. Lab sample # 03N02921; dry when described; observed in cut
    Bt2—28 to 41 centimeters (11.0 to 16.1 inches); very dark grayish brown (10YR 3/2) broken face, dark grayish brown (10YR 4/2) broken face, dry; paragravelly clay; 4 percent sand; 27 percent silt; 69 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, firm, moderately sticky, moderately plastic; slow permeability; 6.0 medium roots throughout and 6.0 fine roots throughout and 0.5 coarse roots throughout; 6.0 medium irregular and 6.0 fine irregular pores; 25 percent distinct clay films on all faces of peds; 33 percent by volume 2-50-75 millimeter limestone, unspecified fragments; noneffervescent, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog; abrupt wavy boundary. Lab sample # 03N02922; dry when described; observed in cut
    Cr—41 to 46 centimeters (16.1 to 18.1 inches); fragments; abrupt irregular boundary.; observed in cut. The Cr layer is composed of highly fractured semiconsolidated limestone that can be excavated with difficulty and is ripplable with hand tools.
    R—46 centimeters (18.1 inches); fragments.; observed in cut. The R layer is composed of hard consolidated limestone bedrock.