USDA - NATURAL RESOURCES CONSERVATION SERVICE PEDON DESCRIPTION

Print Date: 12/17/2002
Description Date: 09/02/1997
Describer: Meredith Slater & Kate Ensor

Site ID: MA023-1997-25404-S
Site Note: Pit dug to 46 inches.
NASIS Pedon ID: MA023-1997-25404-P | County ID: 2325404

Pedon Note: Looks more like a Sudbury than Merrimac (JDT)
Lab Source ID: Lab Pedon #:
Soil Name as Described/Sampled: Merrimac
Soil Name as Correlated:
Classification: Sandy, mixed mesic Typic Dystrochrept

Pedon Type: Modal pedon for map unit
Pedon Purpose: Full pedon description
Taxon Kind: Series
Associated Soils: Carver, Deerfield, Enfield, Hinckley, Plymouth

Location Information:
Country: USA
State: Massachusetts
County: Plymouth
MLRA: 144A -- New England and Eastern New York Upland, Southern Part
Soil Survey Area: MA023 -- Plymouth County, Massachusetts
Map Unit: 254A
Photo NO: 70-21 UMASS/DEP 93

Quad Name: Duxbury
Location Description: Quad: Duxbury, SW, Open field off Brookdale St., Duxbury, east of rd. 700', 105' W. of treeline to E, 215' S. of treeline to N.
Legal Description:
Latitude: 42 degrees 01 minutes 03 seconds
Longitude: 70 degrees 44 minutes 56 seconds
Datum: NAD83
UTM Zone:19
UTM Easting: 355202 meters
UTM Northing: 4653217 meters

Physiographic Division: Appalachian Highlands
Physiographic Province: New England
Physiographic Section: Seaboard lowland
State Physiographic Area: South Coastal Watershed
Local Physiographic Area:

Geomorphic Setting: on side slope of outwash plain
Upslope Shape: Cross Slope Shape:
Primary Earth Cover:Grass/herbaceous cover
Secondary Earth Cover:
Plant Association Name:
Existing Vegetation: Grasses, clover
Parent Material: Eolian sand over glacial outwash.

Bedrock Kind:
Bedrock Depth:
Bedrock Hardness:
Bedrock Fracture Interval:
Surface Fragments: 0.0 %
Particle Size Control Section:
Diagnostic Features: anthropic epipedon ? to ? in.
cambic horizon? to ? in.
Slope: 2 %
Elevation: 40 feet
Aspect: 120
Drainage: WD-MWD

PROFILE DESCRIPTION:

Ap--0 to 36 centimeters (0.0 to 14.2 inches); 98 percent very dark grayish brown (10YR 3/2) broken face sandy loam; granular structure; very friable, nonsticky, nonplastic; deformable; low excavation difficulty; continuous organic stains throughout; 2 percent subrounded 2- to 75-millimeter unspecified fragments; common fine and medium vesicular and tubular pores with high continuity; many very fine and fine roots throughout, common medium roots in mat at top of horizon; abrupt smooth boundary.

Bw--36 to 53 centimeters (14.2 to 20.9 inches); 90 percent dark yellowish brown (10YR 4/6) broken face loamy sand; 10 percent prominent very dark grayish brown (10YR 3/2) mottles; structureless, and weak subangular blocky structure; loose, loose, nonsticky, nonplastic; low excavation difficulty; 3 percent subrounded 2- to 75-millimeter unspecified fragments; many medium and coarse interstitial pores; common very fine and fine roots throughout; clear wavy boundary.

BC--53 to 66 centimeters (20.9 to 26.0 inches); 98 percent yellowish brown (10YR 5/8) broken face loamy coarse sand; single grain; loose, loose, nonsticky, nonplastic; low excavation difficulty; 2 percent rounded 2- to 75-millimeter unspecified fragments; few very fine and fine roots throughout; gradual wavy boundary.

C1--66 to 99 centimeters (26.0 to 39.0 inches); light olive brown (2.5Y 5/6) broken face coarse sand; single grain; loose, loose, nonsticky, nonplastic; low excavation difficulty; 10 percent 2- to 75-millimeter unspecified fragments; clear wavy boundary.

C2--99 to 117 centimeters (39.0 to 46.1 inches); gravelly coarse sand; loose, loose, nonsticky, nonplastic; low excavation difficulty; 2 percent medium distinct red (2.5YR 4/8), moist, iron-manganese masses infused into matrix along ped faces and 5 percent medium distinct irregular very weakly cemented light brownish gray (2.5Y 6/2), moist, iron-manganese concretions with diffuse boundaries infused into matrix along ped faces and 5 percent prominent irregular strong brown (7.5YR 5/8), moist, masses of oxidized iron throughout and 5 percent medium distinct very weakly cemented red (2.5YR 4/8), moist, iron-manganese concretions infused into matrix along ped faces and 5 percent irregular light brownish gray (2.5Y 6/2), moist, iron depletions and 10 percent prominent irregular yellowish red (5YR 5/8), moist, masses of oxidized iron throughout; 15 percent 2- to 75-millimeter unspecified fragments.