IDENTIFIERS

  • Current Taxon Name (Soil Name): SION
  • OSD
  • Series Extent
  • User Site ID: S1992VI010002
  • User Pedon ID: 92VI010002
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 92P0460
  • NCSS Pedon Lab Data NASIS Record ID - 64699
  • Print Date: 11/24/2024

    • 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: 17.7227783
  • Std. Longitude: -64.7913895
  • Datum: WGS84
  • Location Description: From intersection of VI-70 and VI-64, near upper Bethlehem, 800 feet S of VI-64, E approximately 400 feet in pasture.
  • State: Virgin Islands
  • MLRA: 27—Fallon-Lovelock Area
  • Non-MLRA Soil Survey Area: VI690—Virgin Islands of the United States

    • PEDON

  • Describers Name: J.R. Davis, C.L. Santiago, W.C. Lynn, B.C. Dubee
  • Current Taxonomic Class: Coarse-loamy, carbonatic, isohyperthermic Typic Calciustolls
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - SION
  • PSC - 25 to 100 cm.
  • Classificaton Date - 7/16/2007
  • Moisture Class - ustic
  • Sampled As Information:
  • Soil Name - Sion
  • Taxonomic Class - Fine-loamy, carbonatic, isohyperthermic Typic Calc
  • Taxon Kind - series
  • Classificaton Date - 2/2/1992
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landscape: upland
  • Landform: marine terrace
  • Hill Slope Profile: toeslope
  • Slope Shape Across: concave
  • Runoff: very low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments: 1.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/2/1992 (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 Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    mollic epipedon

    calcic horizon

    0—41

    30—137

    —-

    —-
    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

    3

    46

    15

    24

    —

    120

    1092

    —

    —

    26.7

    27.8

    25.6

    —

    —

    —

    —

    —

    4820

    —

    —
    Apk—0 to 15 centimeters (0.0 to 5.9 inches);, very dark grayish brown (10YR 3/2), moist; gravelly clay; 3 percent dark brown (10YR 3/3) fine and medium faint mottles; strong medium and coarse granular structure; slightly hard, moderately sticky, moderately plastic; moderately slow permeability; 21.0 fine and medium roots throughout and 0.5 coarse roots throughout; 0.5 fine and medium low-continuity filled with coarse material and 21.0 fine and medium high-continuity vesicular and tubular pores; 30 percent distinct pinkish gray (7.5YR 6/2) carbonate coats on faces of peds and in pores and 75 percent faint very dark grayish brown (10YR 3/2) organic stains on faces of peds and in pores; 21 percent fine and medium cylindrical worm casts and 3 percent fine and medium spherical insect casts and 1 percent fine and medium cylindrical worm nodules; 20 percent by volume subangular 2-39-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 92P02787; dry when described;. continuous - phpvsfiid 191400; discontinuous - phpvsfiid 191401; continuous - phpvsfiid 191400; discontinuous - phpvsfiid 191401
    ABk—15 to 30 centimeters (5.9 to 11.8 inches);, dark brown (10YR 3/3), moist; gravelly clay; 3 percent dark brown (10YR 3/3) fine and medium faint mottles; strong fine and medium granular structure; slightly hard, moderately sticky, moderately plastic; moderately slow permeability; 0.5 medium roots throughout and 21.0 fine and medium roots throughout; 0.5 fine and medium low-continuity filled with coarse material and 21.0 fine and medium high-continuity vesicular and tubular pores; 30 percent distinct pinkish gray (7.5YR 6/2) carbonate coats on faces of peds and in pores and 75 percent faint very dark grayish brown (10YR 3/2) organic stains on faces of peds and in pores; 3 percent fine and medium spherical insect casts and 1 percent fine and medium cylindrical worm nodules and 3 percent fine and medium cylindrical worm casts; 20 percent by volume subangular 2-39-75 millimeter igneous, unspecified fragments; strong effervescence, by hcl, unspecified; gradual wavy boundary. Lab sample # 92P02788; dry when described;. continuous - phpvsfiid 191402; discontinuous - phpvsfiid 191403; continuous - phpvsfiid 191402; discontinuous - phpvsfiid 191403
    Bk—30 to 41 centimeters (11.8 to 16.1 inches);, brown (10YR 5/3), moist; gravelly clay; 3 percent dark brown (10YR 3/3) medium faint mottles; moderate fine and medium subangular blocky structure; slightly hard, moderately sticky, moderately plastic; moderately slow permeability; 3.0 fine and medium roots throughout; 3.0 fine and medium low-continuity filled with coarse material and 21.0 fine and medium moderate-continuity vesicular and tubular pores; 75 percent faint very dark grayish brown (10YR 3/2) organic stains on faces of peds and in pores and 75 percent faint pinkish white (7.5YR 8/2) carbonate coats on faces of peds and in pores; 3 percent spherical carbonate masses and 3 percent fine and medium cylindrical worm casts and 1 percent fine and medium spherical insect casts; 20 percent by volume subangular 2-39-75 millimeter igneous, unspecified fragments; violent effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 92P02789; dry when described;. discontinuous - phpvsfiid 191404; discontinuous - phpvsfiid 191405; discontinuous - phpvsfiid 191404; discontinuous - phpvsfiid 191405
    CBk—41 to 61 centimeters (16.1 to 24.0 inches);, pinkish white (7.5YR 8/2), moist; gravelly silt loam; 3 percent pinkish white (7.5YR 8/2) fine faint mottles; massive; moderately sticky, moderately plastic; moderately slow permeability; 3.0 fine and medium roots throughout; 21.0 fine and medium vesicular and tubular pores; 30 percent faint dark brown (10YR 3/3) organic stains in root channels and/or pores and 75 percent faint pinkish white (7.5YR 8/2) carbonate coats on faces of peds and in pores; 3 percent fine and medium cylindrical worm casts and 3 percent fine and medium spherical carbonate masses and 21 percent fine and medium spherical insect casts; 65 percent by volume subangular 2-39-75 millimeter igneous, unspecified fragments; violent effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 92P02790; dry when described;. structureless but with insect and worm casts(organic activity or alteration); contains some old root channels with decomposed organic root material; just above CBk - contact concentration of round biologicals(suspect immature insect); continuous - phpvsfiid 191407; discontinuous - phpvsfiid 191406; continuous - phpvsfiid 191407; discontinuous - phpvsfiid 191406
    C—61 to 81 centimeters (24.0 to 31.9 inches);, pinkish white (7.5YR 8/2), moist; silt loam; 3 percent pinkish white (7.5YR 8/2) fine faint mottles; massive; moderately sticky, moderately plastic; moderately slow permeability; 0.5 fine roots throughout; 3.0 fine and medium low-continuity vesicular and tubular pores; 30 percent faint dark brown (10YR 3/3) organic stains in root channels and/or pores and 75 percent faint pinkish white (7.5YR 8/2) carbonate coats on faces of peds and in pores; 3 percent fine and medium spherical carbonate masses and 1 percent fine and medium spherical insect casts; 5 percent by volume subangular 2-39-75 millimeter igneous, unspecified fragments; violent effervescence, by hcl, unspecified; clear wavy boundary. Lab sample # 92P02791; dry when described;. just above Ck1 - contact concentration of round biologicals(suspect immature insect); continuous - phpvsfiid 191409; discontinuous - phpvsfiid 191408; continuous - phpvsfiid 191409; discontinuous - phpvsfiid 191408
    C2—81 to 137 centimeters (31.9 to 53.9 inches);, pinkish white (7.5YR 8/2), moist; silt loam; 3 percent pinkish white (7.5YR 8/2) fine faint mottles; massive; moderately sticky, moderately plastic; moderately slow permeability; 0.5 fine roots throughout; 3.0 fine and medium low-continuity vesicular and tubular pores; 30 percent faint dark brown (10YR 3/3) organic stains in root channels and/or pores and 75 percent faint pinkish white (7.5YR 8/2) carbonate coats on faces of peds and in pores; 3 percent fine and medium spherical carbonate masses; 5 percent by volume subangular 2-39-75 millimeter igneous, unspecified fragments; violent effervescence, by hcl, unspecified. Lab sample # 92P02792; dry when described;. continuous - phpvsfiid 174547; discontinuous - phpvsfiid 191410; continuous - phpvsfiid 174547; discontinuous - phpvsfiid 191410