LOCATION GLADE OR
Tentative Series
DCR/JGM/MPR
02/2025
GLADE SERIES
Landscape--western Cascade Mountains
Landform--glacial-valley walls
Slope--30 to 60 percent
Parent material--residuum weathered from volcanic rocks mixed with volcanic ash
Mean annual precipitation--about 1300 mm
Mean annual air temperature--about 10 degrees C
Depth class--shallow to lithic contact
Drainage class--well drained
Soil moisture regime--xeric
Soil temperature regime--mesic
Soil moisture subclass--typic
TAXONOMIC CLASS: Loamy, isotic, mesic Lithic Ultic Haploxerolls
TYPICAL PEDON: Glade loam in a meadow, on a south-facing slope of 30 percent at an elevation of 990 m
A1--0 to 9 cm; loam, brown (10YR 5/3) dry, very dark grayish brown (10YR 3/2) moist; weak medium subangular blocky structure parting to weak fine granular; slightly hard, very friable, slightly sticky and nonplastic; many very fine and few fine roots; many very fine interstitial pores and common very fine tubular pores; 3 percent gravel, 1 percent cobbles, and 1 percent stones; moderately acid (pH 5.6); abrupt smooth boundary
A2--9 to 28 cm; loam, brown (10YR 5/3) dry, very dark grayish brown (10YR 3/2) moist; moderate coarse subangular blocky structure; slightly hard, very friable, slightly sticky and nonplastic; few very fine to medium roots; many very fine tubular pores; 6 percent gravel, 2 percent cobbles, and 1 percent stones; moderately acid (pH 6.0); clear wavy boundary
Bw--28 to 46 cm; gravelly loam, brown (10YR 5/3) dry, dark brown (10YR 3/3) moist; moderate medium subangular blocky structure; slightly hard, very friable, slightly sticky and nonplastic; few very fine and medium roots; many very fine tubular pores; 12 percent gravel and 8 percent cobbles; moderately acid (pH 6.0); abrupt wavy boundary
R--46 cm; indurated andesite
TYPE LOCATION: Lane County, Oregon, about 30 km northeast of Oakridge, Oregon; 220 m north and 770 m west of the southeast corner of section 26, T. 19 S., R. 05 E.; latitude 43.8833720, longitude -122.1815375; datum WGS 84 (coordinates determined with a GPS)
RANGE IN CHARACTERISTICS:
Soil moisture control section--dry 75 to 90 consecutive days
Mean annual soil temperature--8 to 13 degrees C
Thickness of mollic epipedon--18 to 50 cm
Depth to lithic contact--25 to 50 cm
All mineral horizons
*1/3-bar bulk density--0.90 to 1.20 g/cm3
*Volcanic glass content--5 to 30 percent
*Base saturation by ammonium acetate--greater than 50 percent
*Base saturation by sum of cations--less than 75 percent
*NaF pH--8.4 to 10.0
*Reaction--pH 5.6 to 6.5
Particle-size control section (weighted average)
*Total fragment content--0 to 35 percent
*Clay content--10 to 18 percent
*Sand content--32 to 52 percent
A horizons
Value--2 or 3 moist, 4 or 5 dry
Chroma--2 or 3 moist or dry
Total fragment content--0 to 15 percent
Gravel content--0 to 15 percent
Cobble content--0 to 5 percent
Stone content--0 to 5 percent
Organic carbon content--2.5 to 5 percent
Thickness--18 to 50 cm
Bw horizon (where present)
Value--3 or 4 moist, 5 or 6 dry
Chroma--3 or 4 moist or dry
Total fragment content--5 to 35 percent
Gravel content--5 to 35 percent
Cobble content--0 to 15 percent
Organic carbon content--1 to 3.5 percent
Thickness--0 to 25 cm
COMPETING SERIES:
Grunigan--fine-earth textures are sandy loam or loamy sand
Haro--less than 5 percent volcanic glass in particle-size control section; 200 to 240 frost-free days
GEOGRAPHIC SETTING:
Elevation--240 to 1350 m
Climate--mild, wet winters; hot, dry summers
Mean annual precipitation--1100 to 1800 mm
Mean annual air temperature--7 to 11 degrees C
Frost-free period--120 to 180 days
Aspect--south-facing
GEOGRAPHICALLY ASSOCIATED SOILS:
Kinney--greater than 100 cm to paralithic contact; located on mountain slopes, hillslopes, and complex landslides
Aschoff--greater than 150 cm deep to lithic contact; located on mountain slopes and colluvial aprons
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Saturation in normal years--none
Flooding--none
Ponding--none
Saturated hydraulic conductivity (Ksat)--high throughout
USE AND VEGETATION:
Use--wildlife habitat, recreation
Potential natural vegetation--western fescue, California brome, perennial forbs, scattered Oregon white oak, incense cedar
DISTRIBUTION AND EXTENT: Western Cascade Mountains, Oregon; MLRA 3; small extent
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: Bozeman, Montana
SERIES PROPOSED: Willamette National Forest, Lane County, Oregon; name from Glade Creek in Willamette National Forest
REMARKS:
Diagnostic horizons and other features in this pedon
*Particle-size control section--zone from 25 to 46 cm
*Mollic epipedon--zone from the surface to a depth of 46 cm
*Volcanic glass--zone from the surface to a depth of 46 cm
*Depth to lithic contact--46 cm
ADDITIONAL DATA:
Laboratory data from pedon 19N0460, from Lane County, Oregon, is available from the NRCS-NSSC-Kellogg Soil Survey Laboratory, Lincoln, NE.
Type location user site ID--S2017OR039833
National Cooperative Soil Survey
U.S.A.