LOCATION NOMBERVILLE VAEstablished Series
TAXONOMIC CLASS: Fine-silty, siliceous, active, mesic Fluventic Hapludolls
TYPICAL PEDON: Nomberville loam--on a 2 percent convex slope in a cultivated field. (Colors are for moist soil unless otherwise stated.)
Ap1--0 to 6 inches; dark brown (10YR 3/3) loam; dark yellowish brown (10YR 4/4) dry; moderate fine granular structure; friable, slightly sticky, slightly plastic; common fine roots; few fine discontinuous pores; 2 percent gravel; common worm channels; neutral; clear smooth boundary.
Ap2--6 to 13 inches; dark brown (10YR 3/3) loam; dark yellowish brown (10YR 4/4) dry; weak fine subangular blocky structure; friable, slightly sticky, slightly plastic; few fine roots; common fine and medium discontinuous pores; common worm casts; 2 percent cobbles; neutral; clear smooth boundary. (Combined thickness of the Ap horizon ranges from 0 to 16 inches.)
Bw1--13 to 20 inches; brown (7.5YR 4/4) silt loam; moderate fine subangular blocky structure; friable, slightly sticky, slightly plastic; few very fine and medium roots; common fine discontinuous pores; dark brown (7.5YR 3/2) organic coatings on faces of peds; common worm channels; neutral; clear smooth boundary.
Bw2--20 to 31 inches; brown (7.5YR 4/4) silt loam; moderate fine subangular blocky structure; friable, slightly sticky, slightly plastic; few very fine and medium roots; common fine discontinuous pores; common worm channels; dark brown (7.5YR 3/2) organic coatings on faces of peds; neutral; gradual smooth boundary.
Bw3--31 to 50 inches; brown (7.5YR 4/4) silt loam; moderate fine subangular blocky structure; friable, slightly sticky, slightly plastic; common fine discontinuous pores; few very fine and medium roots; common worm channels; 2 percent shale gravel; neutral; gradual wavy boundary. (Combined thickness of the Bw horizon ranges from 20 to 50 inches.)
C--50 to 62 inches; brown (7.5YR 4/4) very gravelly loam; massive; friable, slightly sticky, nonplastic; few fine discontinuous pores; 40 percent gravel and cobbles; neutral.
TYPE LOCATION: Shenandoah County, Virginia; 1.5 miles southwest of Strasburg, 985 yards east of intersection of VA-11 and VA-601, 325 yards north of VA-601 and 95 yards south, southeast of the North Fork of the Shenandoah River.
RANGE IN CHARACTERISTICS: Solum thickness is 30 to 60 inches or more. Depth to bedrock is more than 60 inches. Gravel and cobbles range from 0 to 5 percent in the Ap, A, and Bw horizons from 0 to 60 percent in the C horizon. Reaction ranges from moderately acid through moderately alkaline.
The A horizon, where present, has hue of 10YR or 2.5Y, value of 2 or 3, and chroma of 2 or 3. It is loam, silt loam, or silty clay loam.
The Ap horizon, where present, has hue of 10YR or 2.5Y, value of 2 or 3, and chroma of 2 or 3. It is loam, silt loam, or silty clay loam.
The Bw horizon has hue of 7.5YR through 2.5Y, value of 4 or 5, and chroma of 3 or 4. In some pedons, the upper Bw horizon has value of 2 or 3 and chroma of 1 through 3. It is silt loam or silty clay loam.
The C horizon has hue of 7.5YR through 2.5Y, value of 4 or 5, and chroma of 2 through 4. It is sandy loam, fine sandy loam, loam, silt loam, or silty clay loam in the fine-earth fraction. Thin strata of fine sandy loam or sandy loam are in some pedons.
COMPETING SERIES: These are the Broadway and Gullion series. Broadway soils have carbonates within 40 inches. Gullion soils have gray mottles within 16 to 36 inches of the surface.
GEOGRAPHIC SETTING: Nomberville soils are on flood plains. Slopes range from 0 to 5 percent. These soils formed in alluvium derived from limestones, sandstones, siltstones, and shales. Climate is temperate and humid. Mean annual air temperature ranges from 50 to 57 degrees F. Mean annual precipitation ranges from 30 to 45 inches.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the Alonzville, Berks, Botetourt, Broadway, Caverns, Coursey, Derroc, Frederick, Gladehill, Groseclose, Gullion, Ingledove, Irongate, Lehew, Moomaw, Newmarc, Shottower, Weikert, and Wolfgap soils. Alonzville, Botetourt, Caverns, Coursey, Ingledove, and Shottower soils have argillic horizons and are on stream terraces. Berks, Lehew, and Weikert soils are shallower to bedrock, contain more rock fragments in the subsoil, and are on uplands. Broadway soils contain free carbonates and are on similar landscapes. Derroc soils contain more rock fragments in the subsoil and are on similar landscapes. Frederick and Groseclose soils are well drained, contain more clay in the subsoil, and are on uplands. Gladehill soils have more sand throughout and are on similar landscapes. Gullion and Irongate soils are moderately well drained and are on similar landscapes. Moomaw soils have a fragipan and are on stream terraces. Newmarc soils are poorly drained and are on similar landscapes. Wolfgap soils contain more sand in the subsoil and are on similar landscapes.
DRAINAGE AND PERMEABILITY: Well drained. Runoff is slow. Permeability is moderate. Subject to flooding.
USE AND VEGETATION: Most areas of these soils are cultivated or in pasture. Corn, small grain, and hay are the principal crops.
DISTRIBUTION AND EXTENT: The Valley and Ridge physiographic province in Virginia, and possibly, West Virginia, Maryland, Kentucky, and Pennsylvania. The area is of moderate extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Morgantown, West Virginia
SERIES ESTABLISHED: Shenandoah County, Virginia 1988.
REMARKS: Diagnostic horizons and features recognized in this pedon are:
Mollic epipedon - the zone from 0 to 13 inches (the Ap horizon).
Cambic horizon - the zone from 13 to 50 inches (the Bw horizon).
Fluventic features - irregular decrease in organic matter content with increasing depth.
Udic moisture regime.
Soils within the range of the Nomberville series were formerly correlated with the Huntington and Nolin series in several published soil surveys.
SIR = VA0305
MLRA = 128, 130, 147
REVISED = 10/24/05 JWB
The 10/2005 revision updates this soil to the 9th Edition of the Keys to Soil Taxonomy (2003). CEC class is based on the classification of similar and geographically associated soils. Class placement may be revised in the future when laboratory data are reviewed or become available. Competing series, pedon description (including horizon nomenclature and/or descriptive terms), and other sections on the OSD were not revised.
ADDITIONAL DATA: Morphological, chemical, textural, and mineralogical data are reported in:
Edmonds, W. J., D. D. Rector, D. A. Gall, D. R. Hatch, R. S. Joslyn, and J. C. Baker. 1987. Properties and classification of soils derived from stratified alluvium in the Valley and Ridge Province of Virginia. Va. Agric. Exp. Stn. Bull. 85-10.