IDENTIFIERS

  • Current Taxon Name (Soil Name): Merlin
  • OSD
  • Series Extent
  • User Site ID: 08-ceg-08
  • User Pedon ID: S2008OR681006
  • Vegetation Plot ID: 08-ceg-08
  • User Site Association ID: OR683 point data
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 09N0240
  • NCSS Pedon Lab Data NASIS Record ID - 19994
  • Print Date: 2/17/2025

    • 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: 42.5259209
  • Std. Longitude: -121.3262253
  • Datum: WGS84
  • Township: 35S
  • Range: 12E
  • Section: 20
  • Map Unit: 4572—Merlin-Knotmer complex, 1 to 4 percent slopes, extremely stony
  • State: Oregon
  • County: OR035—Klamath
  • MLRA: 21—Klamath and Shasta Valleys and Basins
  • Non-MLRA Soil Survey Area: OR683—Winema National Forest Area, Oregon
  • 7.5 Minute USGS Quad: 42121-E3—Spodue Mountain, Oregon

    • PEDON

  • Describers Name: Gebauer, Chris
  • Current Taxonomic Class: Clayey, smectitic, frigid Lithic Argixerolls
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: PedonPC
  • Pedon #: 6
  • Sampled As Information:
  • Soil Name - Merlin
  • Taxonomic Class - Clayey, smectitic, frigid Lithic Argixerolls
  • PSC - 13 to 43 cm.
  • Classificaton Date - 9/10/2008
  • Soil Taxonomic Edition - tenth edition
  • Moisture Class - xeric
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Class - physical crust
  • Pedoderm Loose Cover Indicator - no
  • Phys Crust Subtype - raindrop impact crust
  • Hydric: no


    • SITE

  • Parent Material: residuum weathered from basalt
  • Landform: lava plateau
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Drainage Class: moderately well
  • Wet Soil Moisture Duration: 35
  • Bedrock: indurated slight weathered basalt at 43cm with 45 to <100
  • Surface Fragments: 7.00 percent nonflat subrounded indurated 2- to 75-millimeter basalt, 15.00 percent nonflat subrounded indurated 250- to 600-millimeter basalt, 0.20 percent nonflat subrounded indurated 600- to 1000-millimeter basalt, 20.00 percent nonflat subrounded indurated 75- to 250-millimeter basalt,
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/10/2008 (actual site observation date)
  • Plant Association Name: Stony Claypan, 14-20 PZ (R021XY216OR)
  • 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
  • Current Weather - sunny
  • Site Erosion Accelerated: water erosion sheet
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    ARAR8

    BROMU

    CREPI

    ELELE

    ERIGE2

    ERSP7

    LOMA3

    POSE

    Artemisia arbuscula

    Bromus

    Crepis

    Elymus elymoides ssp. elymoides

    Erigeron

    Eriogonum sphaerocephalum

    Lomatium macrocarpum

    Poa secunda

    little sagebrush

    brome

    hawksbeard

    squirreltail

    fleabane

    rock buckwheat

    bigseed biscuitroot

    Sandberg bluegrass

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

    bedrock, lithic

    indurated

    43 - 43

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

    mollic epipedon

    lithologic discontinuity

    argillic horizon

    slickensides

    lithic contact

    0—22

    13—

    14—43

    22—43

    43—

    —22—

    —-

    —29—

    —21—

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    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

    4

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    1398

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    110

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    A1—0 to 5 centimeters (0.0 to 2.0 inches); brown (10YR 5/3), very dark brown (7.5YR 2.5/2), moist; stony ashy fine sandy loam; 70 percent sand; 10 percent clay; moderate thin platy, and moderate medium platy structure; moderately hard, very friable, nonsticky, nonplastic; low excavation difficulty; 2.0 very fine roots and 2.0 fine roots; 1.0 fine dendritic tubular pores; 5 percent by volume nonflat subrounded indurated 2-40-75 millimeter basalt fragments and 5 percent by volume nonflat subrounded indurated 250-425-600 millimeter basalt fragments and 6 percent by volume nonflat subrounded indurated 75-160-250 millimeter basalt fragments; noneffervescent, by hcl, 1n; neutral, pH 6.6, hellige-truog; clear smooth boundary. Lab sample # 09N01546; dry when described; observed in pit, small
    A2—5 to 13 centimeters (2.0 to 5.1 inches); brown (10YR 4/3), very dark brown (7.5YR 2.5/3), moist; ashy fine sandy loam; 65 percent sand; 15 percent clay; moderate thick platy parts to weak medium subangular blocky, and moderate very thick platy parts to weak medium subangular blocky structure; moderately hard, very friable, nonsticky, nonplastic; low excavation difficulty; 1.0 very fine roots and 1.0 fine roots; 1.0 fine dendritic tubular pores; 5 percent by volume nonflat subrounded indurated 2-40-75 millimeter basalt fragments; noneffervescent, by hcl, 1n; slightly acid, pH 6.5, hellige-truog; clear smooth boundary. Lab sample # 09N01547; dry when described; observed in pit, small
    2Bt—13 to 22 centimeters (5.1 to 8.7 inches); brown (7.5YR 4/3), dark brown (7.5YR 3/3), moist; ashy sandy clay loam; 50 percent sand; 30 percent clay; moderate medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; moderate excavation difficulty; 1.0 very fine roots and 1.0 fine roots; 1.0 fine dendritic tubular pores; 3 percent distinct dark brown (7.5YR 3/3), moist, clay films on all faces of peds; 2 percent by volume nonflat subrounded indurated 75-160-250 millimeter basalt fragments and 5 percent by volume nonflat subrounded indurated 2-40-75 millimeter basalt fragments; noneffervescent, by hcl, 1n; neutral, pH 6.6, hellige-truog; abrupt smooth boundary. Lab sample # 09N01548; dry when described; observed in pit, small. patchy - phpvsfiid 441571; patchy - phpvsfiid 441571
    2Btss—22 to 43 centimeters (8.7 to 16.9 inches); brown (7.5YR 5/4), dark brown (7.5YR 3/4), moist; clay; 8 percent sand; 55 percent clay; strong fine prismatic parts to strong medium angular blocky, and strong medium prismatic parts to strong medium angular blocky structure; extremely hard, very firm, moderately sticky, very plastic; moderate excavation difficulty; 1.0 very fine roots; 20 percent prominent dark brown (7.5YR 3/4), moist, slickensides (pedogenic) on bottom faces of peds and 20 percent prominent dark brown (7.5YR 3/4), moist, slickensides (pedogenic) on top faces of peds and 75 percent prominent dark brown (7.5YR 3/4), moist, clay films on all faces of peds; 1 percent fine distinct irregular silica masses on bottom of rock fragments; 2 percent by volume nonflat subrounded indurated 75-160-250 millimeter basalt fragments and 5 percent by volume nonflat subrounded indurated 2-40-75 millimeter basalt fragments; noneffervescent, by hcl, 1n; neutral, pH 6.8, hellige-truog; very abrupt wavy boundary. Lab sample # 09N01549; dry when described; observed in pit, small. 1% SIM occur in the bottom 2 cm of this horizon (41-43 cm); Subsurface-initiated reversible cracks 2-4 cm thick, between peds, 5 to 10 cm apart; discontinuous - phpvsfiid 441573; continuous - phpvsfiid 441572; discontinuous - phpvsfiid 441574; discontinuous - phpvsfiid 441573; continuous - phpvsfiid 441572; discontinuous - phpvsfiid 441574
    2R—43 to 43 centimeters (16.9 to 16.9 inches); indurated; fragments.