IDENTIFIERS

  • Current Taxon Name (Soil Name): Pulantat
  • OSD
  • Series Extent
  • User Site ID: 83GQ066005
  • User Pedon ID: 83GQ066005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 84P0212
  • NCSS Pedon Lab Data NASIS Record ID - 53906
  • Print Date: 4/22/2025

    • 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: 13.2527781
  • Std. Longitude: 144.7222290
  • Datum: WGS84
  • Location Description: Guam. About 1/2 km NE of Ajayan Bay on the west slope of Boaga Hill.
  • State: Guam
  • MLRA: 181—Arctic Foothills

    • PEDON

  • Describers Name: F. J .Young
  • Current Taxonomic Class: Clayey, mixed, superactive, isohyperthermic, shallow, not used Ultic Haplustalfs
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Pulantat
  • Classificaton Date - 2/1/2010
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Pulantat
  • Taxonomic Class - Very-fine, montmorillonitic, isohyperthermic Lithi
  • Taxon Kind - series
  • Classificaton Date - 9/1/1983
  • Moisture Class - ustic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: upland slope
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1983 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    cambic horizon

    17—35

    —-
    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

    50

    —

    —

    40

    —

    270

    260

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Oi—0 to 2 centimeters (0.0 to 0.8 inches); undecomposed organic matter; fragments. Not sampled. Dry undercomposed leaves twigs and tangan tangan seed pods. Covers about 20% of the surface.
    A—2 to 10 centimeters (0.8 to 3.9 inches); black (10YR 2/1) interior and dark brown (10YR 3/3) interior clay; moderate medium prismatic structure; very hard, very firm, very sticky, very plastic; 2.5 fine and medium roots; 2.5 very fine and fine interstitial and tubular pores; , moist, pressure faces on faces of peds; fragments; slightly acid, pH 6.1, hellige-truog; abrupt smooth boundary. Lab sample # 84P01104. Cracks less than 1 cm wide.; common fine and medium roots
    A/B—10 to 19 centimeters (3.9 to 7.5 inches); very dark grayish brown (10YR 3/2) interior and dark brown (10YR 3/3) interior clay; moderate medium subangular blocky structure; very hard, very firm, very sticky, very plastic; 2.5 fine and medium roots; 2.5 very fine and fine interstitial and tubular pores; , moist, pressure faces on faces of peds; 1 percent dark concretions; 11 percent worm nodules; fragments; slightly acid, pH 6.1, hellige-truog; clear wavy boundary. Lab sample # 84P01105. Clay in a very fine pattern with about 30 percent brown 7.5YR 4/4 clay as fine and medium irregular pieces.; common worm nodules concentrations; few very fine dark concretions concentrations; common fine and medium roots
    Bw1—19 to 32 centimeters (7.5 to 12.6 inches); brown (7.5YR 4/4) interior clay; strong very fine and fine subangular blocky structure; very hard, firm, very sticky, very plastic; 0.5 fine and medium roots; 0.5 very fine and fine interstitial and tubular pores; , moist, pressure faces on faces of peds; fragments; slightly acid, pH 6.4, hellige-truog; clear wavy boundary. Lab sample # 84P01106. 10% dark brown 10YR 3/3 from surface horizons some as wormcasts in very fine pieces. Few pebbles.; few fine and medium roots
    Bw2—32 to 37 centimeters (12.6 to 14.6 inches); brown (7.5YR 4/4) interior very gravelly clay; strong very fine and fine subangular blocky structure; very hard, firm, very sticky, very plastic; fragments; slightly alkaline, pH 7.7, hellige-truog; abrupt wavy boundary. Lab sample # 84P01107. Few very fine pieces of surface horizon some as wormcasts. About 40% fine to medium gravel and some coarse sand all as white weathered coral angular and irregular.
    R—37 to 62 centimeters (14.6 to 24.4 inches); weathered bedrock; fragments. Not sampled. White weathered porous coral limestone. Many cracks and fissures with soil material and stained coral faces.