IDENTIFIERS

  • Current Taxon Name (Soil Name): Decan
  • OSD
  • Series Extent
  • User Site ID: S1986UT021001
  • User Pedon ID: 86UT021001
  • Vegetation Plot ID: S1986UT021001
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0961
  • NCSS Pedon Lab Data NASIS Record ID - 59255
  • Print Date: 11/23/2024
  • 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: 37.6633339
  • Std. Longitude: -114.0147247
  • Datum: WGS84
  • Township: 36S
  • Range: 19W
  • Section: 18
  • PLSS Details: 1200 feet W of NE corner
  • State: Utah
  • County: UT021—Iron
  • MLRA: 28A—Ancient Lake Bonneville
  • PEDON

  • Describers Name: James T. Bayer and Gordon G. Crandall
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 1
  • Sampled As Information:
  • Soil Name - Decan
  • Taxonomic Class - Fine, montmorillonitic Aridic Durixerolls
  • PSC - 12 to 62 cm.
  • Classificaton Date - 9/1/1986
  • Moisture Class - aridic (torric)
  • Dynamic Soil Properties:
  • Erosion Class - 2
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Landscape: upland
  • Landform: pediment
  • Anthropogenic Feature: leveled land
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: shoulder
  • Slope Position: middle third
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1986 (actual site observation date)
  • Microrelief Elevation: 1
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Site Obs. Cover Kind 2 - rangeland, grassland
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARTRV

    JUOS

    PIMO

    Artemisia tridentata ssp. vaseyana

    Juniperus osteosperma

    Pinus monophylla

    mountain big sagebrush

    Utah juniper

    singleleaf pinyon

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

    mollic epipedon

    argillic horizon

    calcic horizon

    duripan

    0—19

    12—94

    76—94

    94—0

    —-

    —-

    —-

    —-

    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

    1985

    90

    36

    10

    21

    0

    11

    22

    1

    1A1—0 to 2 centimeters (0.0 to 0.8 inches); brown (7.5YR 5/4), dark brown (10YR 3/3), moist; gravelly loam; weak very fine granular structure; soft, very friable, slightly sticky, slightly plastic; fragments; abrupt smooth boundary. Lab sample # 86P05757
    1A2—2 to 7 centimeters (0.8 to 2.8 inches); brown (10YR 5/3), very dark grayish brown (10YR 3/2), moist; loam; 18 percent clay; weak medium subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; 0.5 very fine roots throughout and 0.5 fine roots throughout; 2.5 fine vesicular pores; 20 percent by volume 2-39-75 millimeter igneous, unspecified fragments; slightly alkaline, pH 7.6, cresol red; clear smooth boundary. Lab sample # 86P05758. Maybe an E horizon.; few fine roots throughout; few very fine roots throughout
    1Ab1—7 to 9 centimeters (2.8 to 3.5 inches); brown (10YR 4/3), dark brown (10YR 3/3), moist; loam; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; fragments; clear smooth boundary. Lab sample # 86P05759. Maybe an EB horzion.
    1Ab2—9 to 12 centimeters (3.5 to 4.7 inches); brown (10YR 4/3), very dark grayish brown (10YR 3/2), moist; loam; 24 percent clay; weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; 2.5 very fine roots throughout and 2.5 fine roots throughout; 2.5 fine discontinuous tubular pores; 5 percent by volume 2-39-75 millimeter igneous, unspecified fragments; slightly alkaline, pH 7.6, cresol red; clear smooth boundary. Lab sample # 86P05760. Maybe an EB horizon.; common fine roots throughout; common very fine roots throughout
    1Bt1—12 to 19 centimeters (4.7 to 7.5 inches); brown (10YR 4/3), dark brown (7.5YR 3/2), moist; clay loam; 33 percent clay; moderate medium subangular blocky, and moderate medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 medium roots throughout and 2.5 fine roots throughout; 0.5 medium tubular and 2.5 fine tubular pores; 55 percent clay films on all faces of peds; 5 percent by volume 2-39-75 millimeter igneous, unspecified fragments; slightly alkaline, pH 7.6, cresol red; clear wavy boundary. Lab sample # 86P05761. Common very fine roots; common very fine tubular pores; many clay films surface features on vertical and horizontal faces of peds; few medium roots throughout; common fine roots throughout; patchy - phpvsfiid 221184; patchy - phpvsfiid 221184
    1Bt2—19 to 55 centimeters (7.5 to 21.7 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; clay loam; 37 percent clay; strong coarse subangular blocky, and strong medium angular blocky structure; very hard, very firm, very sticky, very plastic; 2.5 medium roots throughout and 0.5 coarse roots throughout; 0.5 medium tubular and 2.5 fine tubular pores; 55 percent clay films on all faces of peds; 10 percent by volume 2-39-75 millimeter igneous, unspecified fragments; slightly alkaline, pH 7.8, cresol red; gradual smooth boundary. Lab sample # 86P05762. Common fine and very fine roots; common very fine tubular pores.; many clay films surface features on vertical and horizontal faces of peds; few coarse roots throughout; common medium roots throughout; continuous - phpvsfiid 221185; continuous - phpvsfiid 221185
    1Btk1—55 to 76 centimeters (21.7 to 29.9 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; clay loam; 36 percent clay; strong medium angular blocky structure; very hard, very firm, very sticky, very plastic; 2.5 medium roots throughout and 0.5 coarse roots throughout; 5.5 very fine tubular and 2.5 fine tubular pores; carbonate coats on all faces of peds and 55 percent clay films on all faces of peds; 10 percent by volume 2-39-75 millimeter igneous, unspecified fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.0, cresol red; gradual smooth boundary. Lab sample # 86P05763. Common fine and very fine roots; lime occurs in few fine filaments.; many clay films surface features on vertical and horizontal faces of peds; few coarse roots throughout; common medium roots throughout; effervescence is discontinuous; continuous - phpvsfiid 221186; continuous - phpvsfiid 221186
    1Btk2—76 to 94 centimeters (29.9 to 37.0 inches); brown (7.5YR 5/4), brown (7.5YR 4/4), moist; clay loam; 28 percent clay; moderate coarse subangular blocky structure; hard, firm, moderately sticky, moderately plastic; 0.5 medium roots throughout and 0.5 fine roots throughout; 0.5 medium tubular and 2.5 fine tubular pores; carbonate coats throughout and 37 percent clay films on all faces of peds; 10 percent by volume 2-39-75 millimeter igneous, unspecified fragments; slight effervescence, by hcl, unspecified; moderately alkaline, pH 8.4, cresol red. Lab sample # 86P05764. Few very fine roots; common very fine tubular pores, lime is disseminated.; common clay films surface features on vertical and horizontal faces of peds; few medium roots throughout; few fine roots throughout; effervescence is continuous; patchy - phpvsfiid 221188; patchy - phpvsfiid 221188
    1Bkqm—94 centimeters (37.0 inches); indurated by carbonates and silica; fragments. Lab sample # 86P05765. Silica and lime cemented hardpan, i.e. duripan.