LOCATION KINGSTOWNE              VA

Tentative Series
DNS/JDH
10/2021

KINGSTOWNE SERIES

MLRA(s): 149A
Depth Class: Very deep
Drainage Class (Agricultural): Well drained
Landscape: Coastal Plain
Parent Material: Marine Sediments
Slope: 0 to 45 percent slopes
Mean Annual Air Temperature (type location): 12.4 degrees C. (54 degrees F.)
Mean Annual Precipitation (type location): 1062 mm (42 inches)

TAXONOMIC CLASS: Fine-loamy, mixed, semiactive, acid, mesic Typic Udorthents

TYPICAL PEDON: Kingstowne sandy loam in a. (Colors are for moist soil unless otherwise indicated.)

Ap--0 to 10 cm (0 to 4 inch), brown (10YR 4/3) sandy clay loam; weak fine granular structure; very friable, slightly sticky, nonplastic; many fine and very fine roots; common fine mica flakes; 5 percent rounded quartz gravel; strongly acid; abrupt smooth boundary.

C1--10 to 33 cm (4 to 13 inches), yellowish brown (10YR 5/4) gravelly clay loam; strucutureless massive; firm, moderately sticky, very plastic; common very fine and fine roots; few fine mica flakes; 17 percent rounded quartz gravels; strongly acid; clear wavy boundary

C2--33 to 81 cm (13 to 32 inches), yellowish brown (10YR 5/6) gravelly clay loam; massive; very friable; many very fine and fine vesicular pores; many fine and medium mica flakes; 15 percent channers and 45 percent para-channers; very strongly acid; strongly acid; clear wavy boundary.

Cg--81 to 142 cm (44 to 56 inches), gray (10YR 6/1) clay loam, sturctureless massive; firm, moderately sticky, moderately plastic; common medium prominent yellowish brown (10YR6/8) iron maganese masses; few fine mica flakes; 2 percent rounded quartz gravels; strongly acid; clear smooth boundary.

C4--142 to 152 cm (56 to 60 inches), yellowish brown (10YR 5/8) clay loam; structureless massive; firm, moderately sticky, moderately plastic; common meidum prominent gray (10YR 6/1) iron depletions; common mica flakes; 1 percent rounded quartz gravel; strongly acid.

TYPE LOCATION: Fairfax County, Virginia; Located along the edge of the soccer field in Fraconia Park, 10 feet east of the eastern edge of the parking lot at the end of Bowie Drive and 1,000 feet south of interstate 495. Latitude 38 degrees, 47 minutes, 17 seconds, and Longitude 77 degrees, 9 minutes, 46 seconds west.

RANGE IN CHARACTERISTICS:
Depth to Bedrock: Greater than 183 cm (72 inches)
Depth to Seasonal High Water Table: 102 cm (40 inches) to Greater than 183 cm (72 inches), November to May
Rock Fragment content: 0 to 35 percent, by volume, throughout.
Soil Reaction: moderately acid to very strongly acid, except where limed

RANGE OF INDIVIDUAL HORIZONS:

A or Ap horizon (if it occurs):
Color--hue of 5YR to 10YR, value of 3 to 5, and chroma of 2 to 4
Texture (fine-earth fraction)loam, sandy loam or fine sandy loam

C horizon:
Color--hue of 5YR to 2.5Y, value of 4 to 8, and chroma of 1 to 8
Texture (fine-earth fraction)clay, clay loam, silt loam, sandy clay loam,loam, sandy loam, loamy sand, or fine sandy loam

COMPETING SERIES:
Grist Mill soils--are found on lower elevations in the Coastal plain.
Wheaton soils--are found on parent materials derived from phyllites, and mica schists.

GEOGRAPHIC SETTING:
Landscape: Coastal Plain
Landform: Uplands
Hillslope Profile Position: Summit, shoulder, and backslopes
Geomorphic Component: interfluves
Parent Material: Marine sediment
Slope: 0 to 45 percent
Frost-free period: 150 to 194 days
Mean Annual Air Temperature: 6.2 to 18.7 degrees C. (43 to 65 degrees F.)
Mean Annual Precipitation: 904 to 1202 mm (37 to 47 inches)

GEOGRAPHICALLY ASSOCIATED SOILS:
Sassafras soils--are created in situ, and have an Argillic horizon
Woostown soils--are moderately well drained, and have an Argillic horizon
Lunt soils--are high shrink swell, and have an Argillic horizon
Marumsco soils--are somewhat poorly drained, have an argillic horizon

DRAINAGE AND SATURATED HYDRAULIC CONDUCTIVITY:
Drainage class (Agricultural): Well drained
Internal Free Water Occurrence: Deep to Very deep (greater than 150 cm)(highly variable)
Flooding Frequency and Duration: None
Ponding Frequency and Duration: None
Index Surface Runoff: very high to moderate
Saturated Hydraulic Conductivity: Moderately to very slow
Permeability (obsolete): Moderate to slow
Shrink-swell Potential: Low to moderate

USE AND VEGETATION:
Major Uses: urban development
Dominant Vegetation: Where wooded--black oak, red oak, white oak, hickory, yellow popular, red maple, shortleaf pine and Virginia pine.

MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: RALEIGH, NORTH CAROLINA
Distribution: Virginia
Extent: Small

MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Morgantown, West Virginia

SERIES PROPOSED: Fairfax County, Virginia, 2006.

REMARKS:

Diagnostic horizons and soil characteristics recognized in this pedon are:
Ochric epipedon--the zone from 0 to 25 cm (0 to 10 inches) (A1, and C1horizons)

ADDITIONAL DATA: S04-VA059-17-1

OSD Data Map Unit ID: To be developed
Typical Pedon Data Mapunit ID: To be developed
OSD User Pedon ID: Kingstowne S04-VA059-17-1

---

National Cooperative Soil Survey
U.S.A.