LOCATION SCHROON NY CTEstablished Series
TAXONOMIC CLASS: Coarse-loamy, mixed, superactive, frigid Aquic Dystrudepts
TYPICAL PEDON: Schroon sandy loam, on a 4 percent slope in a stony area of a hardwood forest. (Colors are for moist soil unless otherwise noted.)
A-- 0 to 4 inches; very dark brown (10YR 2/2) sandy loam, light brownish gray (10YR 6/2) dry: moderate fine granular structure; very friable; many fine and few medium roots; 5 percent rock fragments; extremely acid; clear smooth boundary. (1 to 5 inches thick.)
Bw1-- 4 to 13 inches; dark yellowish brown (10YR 4/4) sandy loam; weak fine granular structure; friable; many fine and few medium roots; 5 percent rock fragments; very strongly acid; clear smooth boundary.
Bw2-- 13 to 22 inches; brown (10YR 4/3) sandy loam; weak medium subangular blocky structure; friable; common fine pores; few fine roots; 10 percent rock fragments; common fine faint grayish brown (10YR 5/2) iron depletions and few medium distinct yellowish brown (10YR 5/6) masses of iron accumulation; very strongly acid; clear smooth boundary. (Combined thickness of the Bw horizons is 15 to 36 inches.)
C1-- 22 to 30 inches; brown (10YR 4/3) sandy loam; massive; friable; common fine pores; 10 percent rock fragments; many medium prominent strong brown (7.5YR 4/6) masses of iron accumulation and many medium faint dark grayish brown (2.5Y 4/2) iron depletions; strongly acid; clear wavy boundary.
C2-- 30 to 72 inches; dark grayish brown (2.5Y 4/2) sandy loam; massive; friable; 10 percent rock fragments; few fine prominent yellowish brown (10YR 5/6) masses of iron accumulation; strongly acid.
TYPE LOCATION: Saratoga County, New York; Town of Providence, 100 feet northeast of South Line Road, and 0.8 mile east of County Route 16. USGS Galway, NY topographic quadrangle. Latitude 43 degrees, 05 minutes, 10 seconds N. and Longitude 74 degrees, 01 minute, 02 seconds W. NAD 1927.
RANGE IN CHARACTERISTICS: Thickness of the solum ranges from 18 to 36 inches. Depth to bedrock is greater than 60 inches. Rock fragments range from 3 to 35 percent throughout the soil, including up to 15 percent larger than 3 inches in diameter. They are mainly granite with a lesser amounts of sandstone or other sedimentary rocks. Rock fragments include schist and gneiss in some places. Reaction ranges from extremely acid through moderately acid in the surface layer, very strongly acid through moderately acid in the subsoil, and strongly acid through slightly acid in the C horizon with slightly acid restricted to depths greater than 30 inches.
The A horizon has hue of 7.5YR or 10YR, value of 2 or 3, and chroma of 1 or 2. Plowed areas have an Ap horizon 6 to 10 inches thick with moist value and chroma 1 or 2 units higher, and dry value of 6. Texture of the fine-earth fraction is sandy loam, fine sandy loam, or loam.
The upper part of the B horizon has hue of 5YR to 10YR, value of 3 through 5, and chroma of 3 through 6. The lower part of the B horizon has hue of 10YR or 2.5Y, value of 4 or 5, and chroma of 3 through 6, and has redoximorphic features. Iron depletions are present within a depth of 24 inches. Texture of the fine-earth fraction is fine sandy loam, sandy loam, or loam. Structure is fine through coarse granular, subangular blocky, or platy. Consistence is very friable or friable. Some pedons have a BC horizon.
The C horizon has hue of 10YR through 5Y, value of 3 through 6, and chroma of 1 through 4. Texture of the fine-earth fraction is fine sandy loam, sandy loam, or coarse sandy loam. Thin lenses of silt loam, loamy sand, or sand may occur in some pedons. The horizon is massive or has weak plate-like divisions. Consistence is friable, but some pedons have subhorizons below 30 inches with firm consistence.
COMPETING SERIES: The Mylrea series is in the same family. Mylrea soils do not occur within Land Resource Region R and in addition, they have a lithologic discontinuity.
GEOGRAPHIC SETTING: Schroon soils are on till uplands. They are usually on footslopes, toeslopes or in slight depressions. Slope ranges from 0 to 15 percent, but are dominantly 0 to 8 percent. The till parent material is derived largely from granite, and to a lesser extent sandstone or other sedimentary rocks. Mean annual precipitation ranges from 36 to 52 inches; mean annual air temperature ranges from 40 to 45 degrees F.; and the frost-free period ranges from 90 to 140 days. The elevation ranges from 400 to 1000 feet above sea level.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the well drained Bice and poorly drained Lyme soils which are associated in a drainage sequence. Charlton, Paxton and Stowe are also associates. Charlton and Paxton soils are well drained and occur along the frigid-mesic boundary. Stowe soils are on similar landscapes but have a dense, slowly permeable substratum.
DRAINAGE AND PERMEABILITY: Moderately well drained. The potential for surface runoff ranges from very low to high. Saturated hydraulic conductivity is moderately high or high.
USE AND VEGETATION: Most areas are in forest or reverting to brush. Areas cleared of stones or boulders are used mainly for growing hay, pasture and limited amount of silage corn. Forested areas contain sugar maple, red and white oak, gray birch, beech, white spruce, red spruce, white pine, hemlock, and black cherry.
DISTRIBUTION AND EXTENT: The foothills of the Adirondack Mountains in New York, northwestern hills of Connecticut and possibly Maine, New Hampshire and Vermont. MLRA 143 and 144B. The series is of moderate extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Amherst, Massachusetts
SERIES ESTABLISHED: Warren County, New York, 1982.
REMARKS: The classification was changed from the Typic subgroup because the majority of the pedons described fit the aquic subgroup.
Diagnostic horizons and other features recognized in the typical pedon are as follows:
(1) Ochric Epipedon - the zone from 0 to 4 inches (A horizon).
(2) Cambic horizon - the zone from 4 to 22 inches (Bw horizons).
(3) Dystrudepts Great Group - as evidenced by low pH's and base saturation less than 60 percent in the zone from 10 to 30 inches.
(4) Aquic subgroup- have redox depletions with chroma of 2 or less and aquic conditions within 24 inches of the surface (Bw2 horizon 13 to 22 inches).
Soil Interpretation Records: NY0314, NY0315