IDENTIFIERS

  • Current Taxon Name (Soil Name): Blacklock
  • OSD
  • Series Extent
  • User Site ID: 74-FWG-03
  • User Pedon ID: S1974OR011006
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 74C0129
  • NCSS Pedon Lab Data NASIS Record ID - 44890
  • 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: 43.0748062
  • Std. Longitude: -124.3759155
  • Datum: WGS84
  • Township: 29S
  • Range: 14W
  • Section: 9
  • PLSS Details: 2450 feet north and 100 feet east of the southwest corner
  • Location Description: About 2 miles southeast of the airport at Bandon, Oregon, north along fence line from MacWhorter Ranch Road.
  • Map Unit: 5A—Blacklock fine sandy loam, 0 to 3 percent slopes
  • State: Oregon
  • County: OR011—Coos
  • MLRA: 1—Northern Pacific Coast Range, Foothills, and Valleys
  • Non-MLRA Soil Survey Area: OR011—Coos County, Oregon
  • 7.5 Minute USGS Quad: 43124-A3—Bill Peak, Oregon

    • PEDON

  • Describers Name: Fred W. Gelderman
  • Current Taxonomic Class: Sandy, mixed, isomesic, shallow, ortstein Typic Duraquods
  • Current Taxon Kind: series
  • Pedon Type: classifies to current taxon name, full description
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: NASIS
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Blacklock
  • Classificaton Date - 11/8/2004
  • Moisture Subclass - udic
  • Sampled As Information:
  • Soil Name - Blacklock
  • Classificaton Date - 8/5/1974
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: sandy marine deposits
  • Landform: depression on marine terrace
  • Geomorphic Component Terraces: tread
  • Runoff: low
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: frequent ponding for long periods begining in oct
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/5/1974 (actual site observation date)
  • Air Photo ID: 4HH-75
  • 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
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    spodic horizon

    ortstein

    28—74

    33—74

    —46—

    —41—
    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

    0.1

    —

    —

    82

    —

    1524

    —

    290

    11.1

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    A1—0 to 13 centimeters (0.0 to 5.1 inches); very dark gray (5YR 3/1) exterior fine sandy loam; structureless massive; soft, very friable, nonsticky, nonplastic; 10.0 very fine roots throughout and 10.0 fine roots throughout; fragments; very strongly acid, pH 4.6; clear smooth boundary.; moist when described; observed in pit, large or quarry
    A2—13 to 28 centimeters (5.1 to 11.0 inches); 60 percent gray (5YR 5/1) exterior and 25 percent light gray (5YR 7/1) exterior and 15 percent white (N 8/0) exterior loamy fine sand; structureless massive; hard, friable, nonsticky, nonplastic; 10.0 very fine roots throughout and 10.0 medium roots throughout and 10.0 fine roots throughout; fragments; very strongly acid, pH 4.6; abrupt smooth boundary.; moist when described; observed in pit, large or quarry
    Bh—28 to 33 centimeters (11.0 to 13.0 inches); 60 percent yellowish red (5YR 5/8) exterior and 40 percent reddish brown (5YR 4/4) exterior loamy sand; structureless massive; extremely hard, extremely firm, nonsticky, nonplastic; 4.0 very fine roots in cracks; 30 percent fine prominent very strongly coherent cemented very dusky red (2.5YR 2/2), moist, masses of reduced iron at top of horizon; fragments; very strongly acid, pH 5.0; abrupt smooth boundary. Lab sample # 74C00778; moist when described; observed in pit, large or quarry
    Bsm1—33 to 61 centimeters (13.0 to 24.0 inches); 60 percent strong brown (7.5YR 5/6) exterior and 40 percent brownish yellow (10YR 6/6) exterior ortstein; structureless massive; very hard, very firm, nonsticky, nonplastic; 0.1 very fine roots in cracks; fragments; moderately acid, pH 5.6; clear smooth boundary. Lab sample # 74C00779; moist when described; observed in pit, large or quarry
    Bsm2—61 to 74 centimeters (24.0 to 29.1 inches); 60 percent light olive brown (2.5Y 5/6) exterior and 40 percent olive yellow (2.5Y 6/6) exterior ortstein; structureless massive; hard, firm, nonsticky, nonplastic; 0.1 very fine roots in cracks; 25 percent medium prominent strongly coherent cemented yellowish red (5YR 5/8), moist, masses of oxidized iron in matrix; fragments; moderately acid, pH 5.6; clear smooth boundary. Lab sample # 74C00780; moist when described; observed in pit, large or quarry
    C—74 to 112 centimeters (29.1 to 44.1 inches); light olive brown (2.5Y 5/4) exterior fine sand; structureless massive; soft, very friable, nonsticky, nonplastic; fragments; moderately acid, pH 5.8. Lab sample # 74C00781; moist when described; observed in pit, large or quarry