LOCATION MEANY WA
Established Series
IRD. PHR/TMR/MPR
07/2017
MEANY SERIES
Landscape--Cascade Mountains
Landform--cirques, glacial valley floors
Slope--5 to 25 percent
Parent material--mixed volcanic ash and glacial till
Mean annual precipitation--about 2900 mm
Mean annual air temperature--about 2 degrees C
Depth class--very deep
Drainage class--poorly drained
Soil moisture regime--aquic
Soil temperature regime--cryic
Soil moisture subclass--typic
TAXONOMIC CLASS: Medial-skeletal, glassy, nonacid Typic Cryaquands
TYPICAL PEDON: Meany extremely cobbly medial coarse sandy loam on a northeast-facing, 15-percent slope of a glacial valley floor at an elevation of 1,840 m (When described on September 11, 2013, the soil was wet to a depth of 22 cm and saturated below that depth.)
A--0 to 21 cm; extremely cobbly medial coarse sandy loam, grayish brown (10YR 5/2) dry, very dark grayish brown (10YR 3/2) moist; weak fine subangular blocky structure; soft, very friable, nonsticky and nonplastic; few very fine and fine roots; common very fine and fine interstitial pores; 2 percent fine faint irregular dark grayish brown (10YR 4/2) iron depletions throughout and 5 percent fine distinct irregular dark brown (7.5YR 3/4) masses of oxidized iron throughout; 35 percent andesite gravel, 20 percent andesite cobbles, and 5 percent andesite stones; strongly acid (pH 5.4); abrupt wavy boundary
Bg1--21 to 72 cm; extremely gravelly medial coarse sandy loam, gray (10YR 6/1) dry, dark gray (10YR 4/1) moist; weak fine subangular blocky structure; soft, very friable, nonsticky and nonplastic; few very fine and fine roots; common very fine and fine interstitial pores; 2 percent fine faint irregular grayish brown (10YR 5/2) iron depletions throughout and 5 percent fine prominent irregular dark brown (7.5YR 3/4) masses of oxidized iron throughout; 45 percent andesite gravel, 15 percent andesite cobbles, and 5 percent andesite stones; moderately acid (pH 5.6); clear wavy boundary
Bg2--72 to 104 cm; extremely cobbly medial coarse sandy loam, gray (10YR 6/1) dry, gray (10YR 5/1) moist; weak fine subangular blocky structure; soft, very friable, nonsticky and nonplastic; common very fine and fine interstitial pores; 2 percent fine faint irregular grayish brown (10YR 5/2) iron depletions throughout and 5 percent fine distinct irregular dark yellowish brown (10YR 4/4) masses of oxidized iron throughout; 30 percent andesite gravel, 25 percent andesite cobbles, and 10 percent andesite stones; moderately acid (pH 5.8); clear wavy boundary
Bg3--104 to 150 cm; extremely cobbly medial coarse sandy loam, gray (2.5Y 5/1) dry, dark gray (2.5Y 4/1) moist; weak fine subangular blocky structure; soft, very friable, nonsticky and nonplastic; common very fine and fine interstitial pores; 2 percent fine faint irregular dark grayish brown (2.5Y 4/2) iron depletions throughout and 5 percent fine prominent irregular dark yellowish brown (10YR 4/4) masses of oxidized iron throughout; 40 percent andesite gravel, 30 percent andesite cobbles, and 10 percent andesite stones; moderately acid (pH 5.8)
TYPE LOCATION: Pierce County, Washington, at the headwaters of Stevens Creek, below Paradise and Williwakas Glaciers, about 2.5 km northeast of the Paradise Ranger Station in Mount Rainier National Park; about 250 m north and 695 m east of the southwest corner of section 8, T. 15 N., R. 9 E., Willamette Meridian; Mt. Rainier East, Washington, U.S. Geological Survey quadrangle; latitude 46.800349 degrees north, longitude -121.709734 degrees west, datum WGS 84 (coordinates determined with a GPS)
RANGE IN CHARACTERISTICS:
Mean annual soil temperature--2 to 5 degrees C
Depth to redoximorphic iron depletions--at the surface to a depth of 25 cm
All mineral horizons
*Volcanic glass content--50 to 75 percent
*Ammonium oxalate Al plus 1/2 Fe--greater than 0.4 percent
*Reaction--5.1 to 6.0
Particle-size control section
*Clay content--1 to 10 percent
*Rock fragment content--35 to 70 percent total, including 15 to 50 percent gravel, 10 to 30 percent cobbles, 0 to 10 percent stones, and 0 to 5 percent boulders
A horizon
*Hue--10YR, 7.5YR
*Value--2 to 3 moist, 4 to 5 dry
*Chroma--1 or 2 moist or dry
*Fine-earth texture--medial coarse sandy loam, medial sandy loam, medial loamy sand
*Thickness--10 to 25 cm
Bg1 and Bg2 horizons
*Hue--10YR, 7.5YR
*Value--3 to 5 moist, 4 to 6 dry
*Chroma--1 to 3 moist or dry
*Fine-earth texture--medial coarse sandy loam, medial sandy loam, medial loamy sand
*Combined thickness--80 to 110 cm
Bg3 horizon
*Hue--2.5Y, 10YR
*Value--3 to 5 moist, 4 to 6 dry
*Chroma--1 to 3 moist or dry
*Fine-earth texture--medial coarse sandy loam, medial sandy loam, medial loamy sand
*Rock fragment content--60 to 85 percent total, including 35 to 60 percent gravel, 20 to 35 percent cobbles, 5 to 15 percent stones, and 0 to 5 percent boulders
COMPETING SERIES: None
GEOGRAPHIC SETTING:
Elevation--1400 to 2400 m
Climate--cool, dry summers; cold, wet winters
Mean annual precipitation--2250 to 4000 mm
Mean annual air temperature--1 to 4 degrees C
Frost-free period--5 to 45 days
GEOGRAPHICALLY ASSOCIATED SOILS:
Chenuis--umbric epipedon; no aquic conditions; on steeper slopes of debris aprons and glacial valley walls
Mountwow--aquic conditions with an upper limit of 25 cm from mineral soil surface; in similar landform positions
Wahpenayo--lithic contact at a depth of 50 to 100 cm (moderately deep); aquic conditions with an upper limit of 25 cm from mineral soil surface; in similar landform positions
Burroughs--lithic contact at a depth of 50 to 100 cm (moderately deep), no aquic conditions; on steeper slopes of cirques and glacial valley walls
DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class--poorly drained
Saturation in normal years--endosaturation to the surface in November through May and below a depth of 20 cm in August through October
Frequency of flooding--rare
Ponding--none
Saturated hydraulic conductivity (Ksat)--high or very high throughout
USE AND VEGETATION:
Use--wildlife habitat
Potential natural vegetation--pink monkey-flower, black alpine sedge, mountain sedge, tufted hairgrass, broadpetal gentian, willow
DISTRIBUTION AND EXTENT: Central Cascade Mountains, Washington; MLRA 3; small extent
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Portland, Oregon
SERIES ESTABLISHED: Mount Rainier National Park, Pierce County, Washington; 2014; name from Meany Crest in Mount Rainier National Park
REMARKS:
Diagnostic horizons and other features in this pedon
*Particle-size control section--zone from the surface to a depth of 100 cm
*Ochric epipedon
*Cambic horizon--zone from the surface to a depth of 150 cm
*Andic soil properties--zone from the surface to a depth of 150 cm
*Volcanic glass content--zone from the surface to a depth of 150 cm
*Redoximorphic iron depletions with chroma of 2 or less--zone from the surface to a depth of 150 cm
*Redoximorphic iron concentrations--zone from the surface to a depth of 150 cm
3/2017--This official series description was updated according to SSR1 Technical Note 11--Content and Format of Official Series Descriptions (revised 12/2015). Most of the changes were in formatting; no major technical changes were made.
National Cooperative Soil Survey
U.S.A.