IDENTIFIERS

  • Current Taxon Name (Soil Name): ROYST
  • OSD
  • Series Extent
  • User Site ID: 03-SMM-50
  • User Pedon ID: 03OR681050
  • Vegetation Plot ID: 03-SMM-50
  • User Site Association ID: OR683 point data
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - NSSL
  • Lab Pedon # - 04N0097
  • NCSS Pedon Lab Data NASIS Record ID - 15502
  • 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: 42.3241653
  • Std. Longitude: -121.3712997
  • Datum: WGS84
  • Township: 37 S
  • Range: 11 E
  • Section: 35
  • PLSS Details: about 700 feet south and 900 feet west of the northeast corner section
  • Location Description: About 9 miles north of the town of Bonanza, Oregon
  • Map Unit: 4693—Royst very cobbly ashy loam, dry, 2 to 15 percent slopes
  • State: Oregon
  • County: OR035—Klamath
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: OR640—Klamath County, Oregon, Southern Part
  • 7.5 Minute USGS Quad: 42121-C3—Yainax Butte, Oregon

    • PEDON

  • Describers Name: Sue Malone
  • Current Taxonomic Class: Loamy-skeletal, isotic, frigid Vitrandic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: taxadjunct to the series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Correlated Information:
  • Soil Name - ROYST
  • PSC - 38 to 86 cm.
  • Classificaton Date - 2/29/2012
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - xeric
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Royst
  • Classificaton Date - 10/6/2003
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: volcanic ash and/or loess over colluvium derived from tuff and/or residuum weathered from tuff
  • Landscape: lava plateau
  • Landform: lava flow
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: well
  • Bedrock: moderately coherent moderate weathered tuff, unspecified at 86cm with <10
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 10/6/2003 (actual site observation date)
  • Plant Association Name: PIPO/PUTR2-ARTR2/FEID
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - conifers
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Current Weather - sunny
  • Current Air Temp - 20
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PIPO

    JUOC

    PUTR2

    CELE3

    CARO5

    ELELE

    FEID

    Pinus ponderosa

    Juniperus occidentalis

    Purshia tridentata

    Cercocarpus ledifolius

    Carex rossii

    Elymus elymoides ssp. elymoides

    Festuca idahoensis

    ponderosa pine

    western juniper

    antelope bitterbrush

    curl-leaf mountain mahogany

    Ross' sedge

    squirreltail

    Idaho fescue

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    Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    bedrock, paralithic

    bedrock, lithic

    moderately coherent

    indurated

    86 - 91

    91 - 116

    - 5 -

    - 25 -

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

    mollic epipedon

    argillic horizon

    paralithic contact

    lithic contact

    0—38

    38—86

    86—91

    91—116

    —38—

    —48—

    —5—

    —25—
    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

    2

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    —

    1581

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    270

    356

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    30

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    A1—0 to 8 centimeters (0.0 to 3.1 inches); grayish brown (10YR 5/2) broken face, very dark brown (10YR 2/2) rubbed, moist; gravelly ashy loam; 47 percent sand; 36 percent silt; 17 percent clay; weak very fine granular structure; soft, very friable, slightly sticky, slightly plastic; low excavation difficulty; 10.0 very fine roots; 18.0 very fine irregular pores; 30 percent by volume subangular very strongly coherent cemented 2-?-5 millimeter tuff, welded fragments; neutral, pH 6.6, hellige-truog; clear smooth boundary.; observed in pit, large or quarry
    A2—8 to 25 centimeters (3.1 to 9.8 inches); grayish brown (10YR 5/2) broken face, very dark brown (10YR 2/2) rubbed, moist; very gravelly ashy loam; 43 percent sand; 36 percent silt; 21 percent clay; weak fine subangular blocky parts to weak very fine granular structure; slightly hard, friable, moderately sticky, slightly plastic; low excavation difficulty; 10.0 very fine roots; 5.0 very fine tubular pores; 40 percent by volume subangular very strongly coherent cemented 2-?-5 millimeter tuff, welded fragments; slightly acid, pH 6.3, hellige-truog; clear smooth boundary.; observed in pit, large or quarry
    BA—25 to 38 centimeters (9.8 to 15.0 inches); brown (7.5YR 5/3) broken face, dark brown (7.5YR 3/3) rubbed, moist; very gravelly ashy loam; 39 percent sand; 35 percent silt; 26 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, firm, very sticky, moderately plastic; moderate excavation difficulty; 10.0 very fine roots; 3.0 very fine tubular pores; 20 percent by volume subangular very strongly coherent cemented 2-?-5 millimeter tuff, welded fragments and 40 percent by volume subangular very strongly coherent cemented 5-?-75 millimeter tuff, welded fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary.; observed in pit, large or quarry
    Bt1—38 to 61 centimeters (15.0 to 24.0 inches); brown (7.5YR 5/4) broken face, dark brown (7.5YR 3/4) rubbed, moist; very gravelly clay loam; 41 percent sand; 28 percent silt; 31 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; hard, slightly rigid, very sticky, moderately plastic; high excavation difficulty; 3.0 very fine roots and 3.0 fine roots; 3.0 very fine tubular pores; 10 percent faint clay films on all faces of peds; 20 percent by volume subangular very strongly coherent cemented 5-?-75 millimeter tuff, welded fragments and 25 percent by volume subangular very strongly coherent cemented 2-?-5 millimeter tuff, welded fragments; moderately acid, pH 6.0, hellige-truog; clear wavy boundary.; observed in pit, large or quarry
    Bt2—61 to 86 centimeters (24.0 to 33.9 inches); reddish brown (5YR 5/4) broken face, dark reddish brown (5YR 3/4) rubbed, moist; very gravelly sandy clay loam; 62 percent sand; 10 percent silt; 28 percent clay; moderate medium subangular blocky, and moderate fine subangular blocky structure; rigid, slightly rigid, very sticky, moderately plastic; high excavation difficulty; 3.0 very fine roots and 3.0 fine roots; 3.0 very fine tubular and 3.0 fine tubular pores; 60 percent faint clay films on all faces of peds; 20 percent by volume subangular very strongly coherent cemented 5-?-75 millimeter tuff, welded fragments and 30 percent by volume subangular very strongly coherent cemented 2-?-5 millimeter tuff, welded fragments; slightly acid, pH 6.2, hellige-truog; abrupt wavy boundary.; observed in pit, large or quarry
    Cr—86 to 91 centimeters (33.9 to 35.8 inches); light gray (10YR 7/1) broken face, dark gray (10YR 4/1) rubbed, moist; weathered bedrock; very high excavation difficulty; fragments; abrupt wavy boundary.; observed in pit, large or quarry
    R—91 to 116 centimeters (35.8 to 45.7 inches); bedrock; extremely high excavation difficulty; fragments.; observed in pit, large or quarry