IDENTIFIERS

  • Current Taxon Name (Soil Name): Rosario
  • OSD
  • Series Extent
  • User Site ID: D02PR125006
  • User Pedon ID: D02PR125006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 03N0660
  • NCSS Pedon Lab Data NASIS Record ID - 15914
  • Print Date: 11/21/2024

    • 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: 18.1272222
  • Std. Longitude: -66.9761111
  • Datum: WGS84
  • Location Description: Rosario clay, 40 to 60 percent slopes; Maricao State Forest; approximately 1.4 miles southwest of the intersection of P.R. Hwy. 120 and P.R. Hwy. 362; about 1.4 miles southwest of Campamento Santana on forest trail; about 50 feet northwest of trail in forestland; San German Municipality. (USGS Maricao topographic quadrangle (1960); lat. 18 degrees 07 minutes 38 seconds N. and long. 66 degrees 58 minutes 34 seconds W.)
  • Map Unit: RsF2—Rosario clay, 40 to 60 percent slopesRoF—Rosario clay, 40 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, ferruginous, isohyperthermic Lithic Hapludox
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Rosario (flagged as OSD)
  • Classificaton Date - 6/3/2020
  • Soil Taxonomic Edition - twelfth edition
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Rosario
  • Classificaton Date - 7/3/2002
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: iron-rich residuum that weathered from serpentinite bedrock
  • Landscape: serpentinite mountains mountains, serpentinite hills hills
  • Landform: mountain slope, ridge, hillslope, ridge
  • Geomorphic Component Hills: side slope
  • Geomorphic Component Mountains: mountainflank
  • Hill Slope Profile: shoulder
  • Slope Position: upper third
  • Slope Complexity: complex
  • Slope Shape Across: linear
  • Slope Shape Down: convex
  • Drainage Pattern: dendritic
  • Runoff: high
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: serpentinite at 81cm
  • Geology: Lower Cretaceous And Upper Jurassic member of the Serpentinite formation in the Kjs group.
  • Surface Fragments: 7.00 percent rounded 2- to 75-millimeter iron-manganese concretions,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 7/3/2002 (actual site observation date)
  • Air Photo ID: 3C
  • 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
  • Current Weather - partly cloudy
    • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

    —

    —

    81 - 112

    112 -

    —

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

    ochric epipedon

    oxic horizon

    paralithic contact

    lithic contact

    5—15

    15—81

    81—112

    112—

    10—15—20

    35—66—74

    —-

    —-
    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

    20

    —

    —

    570

    —

    320

    1947

    —

    365

    20.7

    22.2

    19.2

    —

    —

    —

    —

    —

    664677

    Indiera Alta

    Weather (NOAA)
    Oi—0 to 5 centimeters (0.0 to 2.0 inches); fragments; abrupt smooth boundary.; dry when described; observed in pit, large or quarry. The Oi layer (if it occurs) consists intermediate decomposed material such as bark, branches, leaves and twigs.
    Ap—5 to 15 centimeters (2.0 to 5.9 inches); dark yellowish brown (10YR 3/4) broken face, dark brown (10YR 3/3) broken face, dry; silty clay; 10 percent sand; 42 percent silt; 48 percent clay; strong medium granular, and strong fine granular structure; hard, firm, slightly sticky, moderately plastic; moderate permeability; 3.0 very fine roots throughout and 0.5 fine roots throughout; 6.0 medium irregular and 6.0 fine irregular pores; 7 percent by volume rounded 2-40-75 millimeter iron-manganese concretions fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary.; dry when described; observed in pit, large or quarry
    Bo1—15 to 28 centimeters (5.9 to 11.0 inches); dusky red (10R 3/4) broken face, dusky red (10R 3/3) broken face, dry; silty clay; 12 percent sand; 45 percent silt; 43 percent clay; strong fine granular, and strong medium granular structure; soft, friable, slightly sticky, moderately plastic; moderate permeability; 0.5 fine roots throughout; 3.0 medium irregular and 3.0 fine irregular pores; 10 percent faint clay films on all faces of peds; 7 percent by volume rounded 2-40-75 millimeter iron-manganese concretions fragments; noneffervescent, by hcl, 1n; very strongly acid, pH 5.0, hellige-truog; clear wavy boundary.; dry when described; observed in pit, large or quarry
    Bo2—28 to 41 centimeters (11.0 to 16.1 inches); dusky red (10R 3/3) broken face, dusky red (10R 3/3) broken face, dry; silty clay; 9 percent sand; 46 percent silt; 45 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; soft, friable, slightly sticky, moderately plastic; moderate permeability; 0.5 fine roots throughout; 3.0 medium irregular and 3.0 fine irregular pores; 10 percent distinct clay films on all faces of peds; 5 percent by volume rounded 2-40-75 millimeter iron-manganese concretions fragments; noneffervescent, by hcl, 1n; moderately acid, pH 6.0, hellige-truog; clear irregular boundary.; dry when described; observed in pit, large or quarry
    Bo3—41 to 81 centimeters (16.1 to 31.9 inches); dusky red (10R 3/3) broken face, dusky red (10R 3/3) broken face, dry; silty clay loam; 20 percent sand; 49 percent silt; 31 percent clay; weak fine subangular blocky, and weak medium subangular blocky structure; slightly hard, firm, slightly sticky, moderately plastic; moderate permeability; 0.5 medium roots throughout and 0.5 fine roots throughout; 3.0 medium irregular and 3.0 fine irregular pores; 10 percent faint clay films on all faces of peds; 7 percent by volume rounded 2-40-75 millimeter iron-manganese concretions fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary.; dry when described; observed in pit, large or quarry
    Cr—81 to 112 centimeters (31.9 to 44.1 inches); fragments; abrupt irregular boundary.; dry when described; observed in pit, large or quarry. The Cr layer consists of very weekly to moderately cemented, highly fractured and weathered serpentinite that can be excavated with difficulty with hand tools, and is ripplable by mechanized equipment.
    R—112 centimeters (44.1 inches); fragments.; dry when described; observed in pit, large or quarry. The R layer consists of hard consolidated serpentinite bedrock.