IDENTIFIERS

  • Current Taxon Name (Soil Name): Geoconda
  • OSD
  • Series Extent
  • User Site ID: S2003OR023008
  • User Pedon ID: S2003OR023008
  • Vegetation Plot ID: S2003OR023008
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 04N0424
  • NCSS Pedon Lab Data NASIS Record ID - 16479
  • 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: 44.8997231
  • Std. Longitude: -119.4530563
  • Datum: WGS84
  • Township: T. 8 S.
  • Range: R.27 E.
  • Section: 2
  • PLSS Details: 600 feet west and 1,000 feet of the SE corner
  • Location Description: 6 miles north of the town of Monument eastside of Top Road
  • Map Unit: 183C—
  • State: Oregon
  • County: OR023—Grant
  • MLRA: 10—Central Rocky and Blue Mountain Foothills
  • Regional Office: 1—Portland, OR
  • MLRA Soil Survey Area: NW-RED—Redmond, Oregon
  • Non-MLRA Soil Survey Area: OR627—Grant County Area, Oregon
  • 7.5 Minute USGS Quad: 44119-H4—Johnny Cake Mountain, Oregon

    • PEDON

  • Describers Name: Stan Winther
  • Current Taxonomic Class: Fine, smectitic, mesic Calcic Pachic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: OSD pedon
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Windows Pedon
  • Pedon #: 8
  • Sampled As Information:
  • Soil Name - Geoconda
  • Taxonomic Class - Fine, smectitic, mesic Calcic Pachic Argixerolls
  • PSC - 15 to 66 cm.
  • Classificaton Date - 9/11/2003
  • Soil Taxonomic Edition - eighth edition
  • Moisture Class - xeric
  • Moisture SUBClass - xeric
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: silty loess over clayey colluvium derived from basalt
  • Landscape: plateau
  • Landform: bench
  • Runoff: low
  • Drainage Class: well
  • Flooding: none flooding
  • Ponding: none ponding
  • Bedrock: indurated slight weathered basalt
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/11/2003 (actual site observation date)
  • Air Photo ID: 7098-234
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - barren land
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    JUOC

    PIPO

    Juniperus occidentalis

    Pinus ponderosa

    western juniper

    ponderosa pine

    —

    —

    —

    —

    —

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

    mollic epipedon

    argillic horizon

    secondary carbonates

    0—81

    15—81

    81—132

    —81—

    —66—

    —51—
    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

    —

    —

    954

    —

    432

    —

    110

    7.8

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 15 centimeters (0.0 to 5.9 inches); grayish brown (10YR 5/2) exterior, very dark grayish brown (10YR 3/2) exterior, moist; silty clay loam; 32 percent clay; moderate fine and medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; 4.0 very fine roots throughout and 0.5 fine roots throughout; 4.0 very fine tubular and 0.5 fine tubular pores; fragments; slightly alkaline, pH 7.6, phenol red; abrupt smooth boundary. Lab sample # 04N02586; moist when described; observed in pit, small
    BAt—15 to 28 centimeters (5.9 to 11.0 inches); brown (10YR 5/3) exterior, dark brown (10YR 3/3) exterior, moist; silty clay loam; 38 percent clay; moderate fine and medium subangular blocky structure; hard, firm, moderately sticky, moderately plastic; moderately slow permeability; 0.5 very fine roots throughout; 4.0 very fine tubular pores; 40 percent faint clay films on all faces of peds; fragments; moderately alkaline, pH 8.0, phenol red; abrupt smooth boundary. Lab sample # 04N02586; dry when described; observed in pit, small
    2Bt1—28 to 48 centimeters (11.0 to 18.9 inches); brown (7.5YR 4/2) exterior, brown (7.5YR 4/2) exterior, moist; clay; 50 percent clay; strong fine and medium angular blocky structure; very hard, very firm, very sticky, very plastic; very slow permeability; 0.5 very fine roots throughout; 4.0 very fine tubular pores; prominent clay films on all faces of peds; fragments; slightly alkaline, pH 7.8, phenol red; clear wavy boundary. Lab sample # 04N02587; dry when described; observed in pit, small. continuous - phpvsfiid 275250; continuous - phpvsfiid 275250
    2Bt2—48 to 69 centimeters (18.9 to 27.2 inches); brown (7.5YR 5/3) exterior, brown (7.5YR 4/3) exterior, moist; clay; 45 percent clay; strong fine and medium subangular blocky structure; hard, firm, very sticky, very plastic; slow permeability; 0.5 very fine roots throughout; 4.0 very fine tubular pores; 70 percent distinct clay films on all faces of peds; fragments; slightly alkaline, pH 7.8, phenol red; clear wavy boundary. Lab sample # 04N02588; dry when described; observed in pit, small
    2Bt3—69 to 81 centimeters (27.2 to 31.9 inches); brown (7.5YR 5/3) exterior, brown (7.5YR 4/3) exterior, moist; clay; 45 percent clay; moderate medium and coarse subangular blocky structure; hard, firm, very sticky, very plastic; slow permeability; 0.5 very fine roots throughout; 0.5 very fine tubular pores; 40 percent faint clay films on all faces of peds; fragments; neutral, pH 7.1, phenol red; abrupt wavy boundary. Lab sample # 04N02588; dry when described; observed in pit, small
    3Bk—81 to 132 centimeters (31.9 to 52.0 inches); pale brown (10YR 6/3) exterior, brown (10YR 5/3) exterior, moist; coarse sandy loam; 10 percent clay; weak medium and coarse subangular blocky structure; soft, very friable, nonsticky, nonplastic; moderately rapid permeability; 0.5 very fine tubular pores; fine faint carbonate masses throughout and fine faint carbonate threads throughout; fragments; violent effervescence, by hcl, 1n; moderately alkaline, pH 8.3, phenol red; gradual wavy boundary. Lab sample # 04N02589; dry when described; observed in pit, small
    3BC—132 to 152 centimeters (52.0 to 59.8 inches); light brown (7.5YR 6/3) exterior, dark brown (7.5YR 3/3) exterior, moist; coarse sandy loam; 18 percent clay; soft, very friable, nonsticky, nonplastic; moderately rapid permeability; 0.5 very fine tubular pores; fragments; moderately alkaline, pH 8.2, phenol red.; dry when described; observed in auger, bucket