USDA - NATURAL RESOURCES CONSERVATION SERVICE PEDON DESCRIPTION
Print Date: 12/17/2002
Description Date: 06/24/1996
Describer: Meredith Slater, Brian Parks

Site ID: MA023-1996-06602-S

Site Note: 2306604

Pedon ID: MA023-1996-06602-P

Pedon Note: Strong H2SO4 (hydrogen sulfide) odor evident. Tidal marsh, cut along tidal creek at low tide & rising. Hole dug to 40"; auguered to 45". Standing water at 31.5" (low tide) weeping in @ 30". Roots extend to 5"

Lab Source ID: Lab Pedon #:

Soil Name as Described/Sampled: Pawcatuck
Soil Name as Correlated:

Classification: Mesic, Euic, Typic Medifibrist (7^th ed. 1996)
Pedon Type: Outside range of series.
Pedon Purpose: full pedon description
Taxon Kind: Taxadjunct
Associated Soils: Ipswich, Matunuck

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: 066A Ipswich-Pawcatuck-Matunuck complex
Quad Name: Plymouth.
Location Description: Plymouth Quad, Coastal, Map photo#65-15 west, east of Poverty Point, south of Plymouth Beach, central-east portion of quad.
Legal Description: Latitude: 41 degrees 56 minutes 51 seconds North, Longitude: 70 degrees 38 minutes 12 seconds West
Datum: NAD 83
UTM Zone: 19
UTM Easting: 0364329.52
UTM Northing: 4645276.70

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

Geomorphic Setting: on tread of base slope of outwash plain,on tread of base slope of tidal flat.
Upslope Shape: linear Cross Slope Shape: convex
Primary Earth Cover:Grass/herbaceous cover
Secondary Earth Cover:
Plant Association Name:
Existing Vegetation: Spartina – short variety, rush (w/boat leaves), 2 way sedge.
Parent Material: Organic grassy material overlying glacial outwash which is underlain by Lacustrine silts.

Surface Fragments: < 0.01
Particle Size Control Section: 0 to 27 inches.
Diagnostic Features: Histic epipedon 0 to 27 in. Fibric soil materials0 to 27 in.

Slope: 1 percent.
Elevation: 0 feet.
Aspect: 90
Drainage: VPD

Oi1--0 to 6 centimeters (0.0 to 2.4 inches); peat; noncemented; many very fine to medium roots throughout; abrupt wavy boundary.

Oi2--6 to 16 centimeters (2.4 to 6.3 inches); peat; noncemented; many very fine to medium roots throughout; clear wavy boundary.

Oi3--16 to 30 centimeters (6.3 to 11.8 inches); peat; noncemented; 5 percent fine distinct pore linings, threadlike throughout; many very fine to medium roots throughout; clear wavy boundary.

Oi4--30 to 41 centimeters (11.8 to 16.1 inches); peat; noncemented; 10 percent fine distinct pore linings, threadlike throughout; many very fine to medium roots throughout; clear wavy boundary.

Oi5--41 to 53 centimeters (16.1 to 20.9 inches); peat; noncemented; 10 percent fine distinct pore linings, threadlike throughout; many very fine to medium roots throughout; clear wavy boundary.

Oi6--53 to 68 centimeters (20.9 to 26.8 inches); peat; 50 percent rubbed fiber; 50 percent sand; noncemented; 10 percent fine prominent pore linings, threadlike throughout; 4 percent subrounded 75- to 250-millimeter unspecified fragments and 6 percent subrounded 2- to 75-millimeter unspecified fragments; many very fine to medium roots throughout; abrupt wavy boundary.

Cg--68 to 84 centimeters (26.8 to 33.1 inches); greenish gray (5GY 5/1) coarse sand; 5 percent rubbed fiber; 2 percent silt; 2 percent clay; single grain; loose, noncemented, nonsticky, nonplastic; low excavation difficulty; coarse high-continuity tubular pores; 5 percent faint dark greenish gray (5GY 4/1), moist, reduced matrix throughout; 4 percent rounded 75- to 250-millimeter unspecified fragments and 6 percent rounded 2- to 75-millimeter unspecified fragments; few very fine roots throughout; abrupt smooth boundary.

2Cg1--84 to 99 centimeters (33.1 to 39.0 inches); dark greenish gray (5GY 4/1) silty clay loam; massive; very firm, noncemented, moderately sticky, slightly plastic; moderately smeary; moderate excavation difficulty; fine low-continuity vesicular pores; 5 percent faint bluish gray (5B 6/1), moist, reduced matrix throughout; 1 percent subrounded 2- to 75-millimeter unspecified fragments; clear smooth boundary.

2Cg2--99 to 115 centimeters (39.0 to 45.3 inches); greenish gray (5GY 5/1) silty clay loam; massive; very firm, noncemented, moderately sticky, moderately plastic; moderately smeary; moderate excavation difficulty; fine low-continuity vesicular pores; 3 percent faint (N 5/1), moist, reduced matrix throughout and 3 percent prominent strong brown (7.5YR 5/6), moist, reduced matrix throughout and 5 percent distinct light olive brown (2.5Y 5/4), moist, reduced matrix throughout; 2 percent subrounded 2- to 75-millimeter unspecified fragments and 3 percent rounded 75- to 250-millimeter unspecified fragments.