PEDON SITE DESCRIPTION
Observation Well Monitoring Site MARS02 (click for well data)


Soil Series: Woodbridge
Pedon Number: 2331109
Date: 20011113
County: Plymouth
MLRA: 144A
Map Unit Symbol: 311A
Photo Number: 71-37
Elevation: 88 feet
Description Type: Research Study Site
Pedon Type: Within range of map unit
Component Type: Series
Land Use: Forest land not grazed
Permeability Class: Slow
Drainage Class: Moderately well drained
Moisture Regime: Udic
Surface Fragment Class: 0.1 to <3 %
Control Section Up:
Control Section Low:
Soil Temp 25cm: 44F
Soil Temp 50cm: 44F

PHYSIOGRAPHIC LOCATION
Physiographic Division: Appalachian highlands
Physiographic Provance: New England Province
Physiographic Section: Seaboard lowland section
State Physiographic Area: South Coastal Watershed
Local Physiographic Name: Corn Hill

GEOMORPHIC DESCRIPTION
Landscape: Upland
Landform: Drumlin
Anthropogenic Feature: None
Slope Percent and Aspect: 4% North
Slope Complexity: Simple
Slope Shape (verticle and horizontal): Linear/concave

WATER FEATURES
Innundation Type: None
Frequency: None
Duration: None
Soil Moisture Status: Dry
Saturation Type: Episaturation
Water Table Observed Depth: >65 in
Water Table Type: Perched
Estimated Seasonal High Watertable: 16 in
Based On: Morphology

PARENT MATERIAL
Solum: Eolian fine sand
C1 Horizon: Ablation till
2C Horizon: Basal Till
3C Horizon:
Bedrock Information:

DIAGNOSTIC HORIZONS
Epipedon:
Subsurface Diagnostic:
Diagnostic Properties:
Classification - Edition/Year:
Taxonomic Classification:

PHYSICAL LOCATION
Georeferencing Information: PLGR 96 +/- 350 feet
UTM Easting: 353634
UTM Northing: 4667626
UTM Zone: 19T
Latitude (degrees,minutes,second): 42 08 49.44
Longitude (degrees,minutes,second): 70 46 17.12
County: Plymouth
USGS Quadrangle: Weymouth double quad
Location: Town of Marshfield, 30M west of Union St. 480M north of Corn Hill Ln. Conservation property.

OTHER SITE INFOMATION
Associated Soils: Norwell, Scituate, Rainbow, Brockton, Paxton
Vegetation Information: S. Pepper, G. Briar, Beech, Ash, B. Oak, W. Pine
Site Information: Small handug pit to 60 inches, mechanical drill to 70 in. Monitoring well and peizometer installed, MARS02 well site. Numerous stones in solum, max clast was a 22 inch Dedham Granite. Most clasts were crystalline, some flat dark clasts.
Weather: P. Sunny, 45F, Extreme drought!
Authors: JDT, RBT

 

Pedon number/Series: 2331109 Woodbridge

HORIZON 1
Observation Kind: Small pit
Horizon Designation: Oi/Oe
Horizon Depth - upper: 0
Horizon Depth - lower: 4
Horizon Thickness - average: Mycorrhizae Fungi, white threads throughout horizon.
Horizon Thickness - range (min/max): ,
Horizon Boundary Distinctness: Clear
Horizon Boundary Topography: Smooth

HORIZON COLOR
Matrix Color Moisture: Moist
Matrix Color Location: Rubbed
Matrix Color Percent: 100
Munsell Notation: 2.5YR 2.5/2
Other Color: ,

HORIZON TEXTURE
Class: Hemic
Modifier:

HORIZON STRUCTURE
Grade: Not recorded
Size: Not recorded
Shape: Not recorded
Location: Not recorded
Origin: Not recorded
Parting To (structure)
Grade: None
Size: None
Shape: None
Location: None
Origin: None

RUPTURE RESISTANCE (Consistancy)
Dry: Not recorded
Moist: Not recorded
Cementation: Not recorded
Cementation Agent: Not recorded
Stickyness: Not recorded
Plasticity: Not recorded
Excavation Difficulty: Not recorded

REDOXIMORPHIC FEATURES
1st Redoximorphic Feature
Kind: None
Percent:
Size: None
Contrast: None
Color:
Shape: None
Location: Matrix
Hardness: None
Boundary:

ROCK FRAGMENTS (CLASTS)
Gravel: 5%, subangular, mixed
Cobble: 5% subangular, mixed
Stones: 5% subangular, mixed
Boulders:

ROOTS
1st Roots: Many very fine to coarse throughout.

Field Measured/Estimated Properties
Permeability: Very rapis
Saturated Conductivity: No data
Reaction (pH):
Method (pH Reagent): Not recorded

Other Horizon Notes: Mycorrhizae Fungi, white threads throughout horizon.

HORIZON 2
Observation Kind: Small pit
Horizon Designation: AE
Horizon Depth - upper: 4
Horizon Depth - lower: 7 inches
Horizon Thickness - average: Mycorrhizae Fungi, white threads found in AE, possibly due to wetness?
Horizon Thickness - range (min/max):
Horizon Boundary Distinctness: Clear
Horizon Boundary Topography: Smooth

HORIZON COLOR
Matrix Color Moisture: Moist
Matrix Color Location: Interior
Matrix Color Percent: 70% (A)
Munsell Notation: 10YR 3/2
Other Color: ,

HORIZON TEXTURE
Class: Sandy Loam
Modifier: stony

HORIZON STRUCTURE
Grade: Weak
Size: Medium and coarse
Shape: Subangular blocky
Location: In place
Origin: Pedogenic

RUPTURE RESISTANCE (Consistancy)
Dry: Not recorded
Moist: Friable
Cementation: Uncemented
Cementation Agent: None
Stickyness: Nonsticky
Plasticity: Nonplastic
Excavation Difficulty: Moderate

MOTTLES (Colors not related to Redox)
Percent: 30 % (E)
Size: None
Contrast: None
Color: 2.5Y 7/1

ROCK FRAGMENTS (CLASTS)
Gravel: 5% subangular, mixed
Cobble: 5% subangulay, mixed
Stones: 10% subangular, mixed
Boulders:

ROOTS
1st Roots: Many very fine to coarse

Field Measured/Estimated Properties
Permeability: Moderatetly rapid
Saturated Conductivity: No data
Reaction (pH):
Method (pH Reagent): Not recorded

Other Horizon Notes: Mycorrhizae Fungi, white threads found in AE, possibly due to wetness?

HORIZON 3
Observation Kind: Small pit
Horizon Designation: Bhs
Horizon Depth - upper: 7
Horizon Depth - lower: 10 inches
Horizon Thickness - average: Mycorrhizae Fungi, white threads.
Horizon Thickness - range (min/max): ,
Horizon Boundary Distinctness: Clear
Horizon Boundary Topography: Wavy

HORIZON COLOR
Matrix Color Moisture: Moist
Matrix Color Location: Interior
Matrix Color Percent: 100
Munsell Notation: 5YR 3/3
Other Color: ,

HORIZON TEXTURE
Class: Sandy Loam
Modifier:

HORIZON STRUCTURE
Grade: Weak
Size: Medium
Shape: Subangular blocky
Location: In place
Origin: Pedogenic

RUPTURE RESISTANCE (Consistancy)
Dry: Not recorded
Moist: Friable
Cementation: Uncemented
Cementation Agent: None
Stickyness: Nonsticky
Plasticity: Nonplastic
Excavation Difficulty: Low

REDOXIMORPHIC FEATURES
1st Redoximorphic Feature
Kind: None
Percent:
Size: None
Contrast: None
Color:
Shape: None
Location: Matrix
Hardness: None
Boundary: None
2nd Redoximorphic Feature
Kind: None
Percent:
Size: None
Contrast: None
Color:
Shape: None
Location: None
Hardness: None
Boundary: None
Other Redoximorphic Features: None

ROCK FRAGMENTS (CLASTS)
Gravel: 5% subangular, mixed
Cobble: 5% subangular, mixed
Stones: 5% subangular, mixed
Boulders:

ROOTS
1st Roots: Many very fine, throughout
2nd Roots: Common medium and coarse, throughout

Field Measured/Estimated Properties
Permeability: Moderatetly rapid
Saturated Conductivity: No data
Reaction (pH):
Method (pH Reagent): Not recorded

Other Horizon Notes: Mycorrhizae Fungi, white threads.

HORIZON 4
Observation Kind: Small pit
Horizon Designation: Bw1
Horizon Depth - upper: 10
Horizon Depth - lower: 16 inches
Horizon Thickness - average:
Horizon Thickness - range (min/max): ,
Horizon Boundary Distinctness: Clear
Horizon Boundary Topography: Wavy

HORIZON COLOR
Matrix Color Moisture: Moist
Matrix Color Location: Interior
Matrix Color Percent: 100
Munsell Notation: 10YR 5/6
Other Color: ,

HORIZON TEXTURE
Class: Sandy Loam
Modifier: stony

HORIZON STRUCTURE
Grade: Weak
Size: Fine and medium
Shape: Subangular blocky
Location: In place
Origin: Pedogenic

RUPTURE RESISTANCE (Consistancy)
Dry: Not recorded
Moist: Very friable
Cementation: Uncemented
Cementation Agent: None
Stickyness: Nonsticky
Plasticity: Nonplastic
Excavation Difficulty: Low

REDOXIMORPHIC FEATURES
1st Redoximorphic Feature
Kind: None
Percent:
Size: None
Contrast: None
Color:
Shape: None
Location: Matrix
Hardness: None
Boundary: None
2nd Redoximorphic Feature
Kind: None
Percent:
Size:
Contrast: None
Color:
Shape: None
Location: None
Hardness: None
Boundary: None
Other Redoximorphic Features: None

ROCK FRAGMENTS (CLASTS)
Gravel: 5 % subangular, mixed
Cobble: 5 % subangular, mixed
Stones: 10 % subangular, mixed
Boulders:

ROOTS
1st Roots: Common very fine and fine
2nd Roots: Few medium to coarse

Field Measured/Estimated Properties
Permeability: Moderate
Saturated Conductivity: No data
Reaction (pH):
Method (pH Reagent): Not recorded

Other Horizon Notes:

Pedon number/Series: 2331109 Woodbridge

HORIZON 5
Observation Kind: Small pit
Horizon Designation: Bw2
Horizon Depth - upper: 16
Horizon Depth - lower: 22 inches
Horizon Thickness - average:
Horizon Thickness - range (min/max): ,
Horizon Boundary Distinctness: Clear
Horizon Boundary Topography: Wavy

HORIZON COLOR
Matrix Color Moisture: Moist
Matrix Color Location: Interior
Matrix Color Percent: 100
Munsell Notation: 10YR 5/4
Other Color: ,

HORIZON TEXTURE
Class: Sandy Loam
Modifier: stony

HORIZON STRUCTURE
Grade: Weak
Size: Medium and coarse
Shape: Subangular blocky
Location: In place
Origin: Pedogenic

RUPTURE RESISTANCE (Consistancy)
Dry: Not recorded
Moist: Very friable
Cementation: Uncemented
Cementation Agent: None
Stickyness: Nonsticky
Plasticity: Nonplastic
Excavation Difficulty: Moderate

REDOXIMORPHIC FEATURES
1st Redoximorphic Feature
Kind: Iron-Manganese masses
Percent: 5%
Size: Fine
Contrast: Distinct
Color: 7.5YR 5/6
Shape: Irregular
Location: Matrix
Hardness: Loose
Boundary: Clear
2nd Redoximorphic Feature
Kind: Iron depletions
Percent: 3%
Size: Medium
Contrast: Distinct
Color: 2.5Y 6/3
Shape: Irregular
Location: Matrix
Hardness: Loose
Boundary: Clear
Other Redoximorphic Features: None

ROCK FRAGMENTS (CLASTS)
Gravel: 5%, subangular, mixed
Cobble: 5%, subangular, mixed
Stones: 20%, subangular, mixed
Boulders:

ROOTS
1st Roots: Few, very fine to coarse

Field Measured/Estimated Properties
Permeability: Moderate
Saturated Conductivity: No data
Reaction (pH):
Method (pH Reagent): Not recorded

Other Horizon Notes:

HORIZON 6
Observation Kind: Small pit
Horizon Designation: Bw3
Horizon Depth - upper: 22
Horizon Depth - lower: 31 inches
Horizon Thickness - average:
Horizon Thickness - range (min/max): ,
Horizon Boundary Distinctness: Clear
Horizon Boundary Topography: Wavy

HORIZON COLOR
Matrix Color Moisture: Moist
Matrix Color Location: Interior
Matrix Color Percent: 100%
Munsell Notation: 2.5Y 5/4
Other Color: ,

HORIZON TEXTURE
Class: Sandy Loam
Modifier: stony

HORIZON STRUCTURE
Grade: Weak
Size: Medium and coarse
Shape: Subangular blocky
Location: In place
Origin: Pedogenic

RUPTURE RESISTANCE (Consistancy)
Dry: Not recorded
Moist: Very friable
Cementation: Uncemented
Cementation Agent: None
Stickyness: Nonsticky
Plasticity: Nonplastic
Excavation Difficulty: Moderate

REDOXIMORPHIC FEATURES
1st Redoximorphic Feature
Kind: Iron-Manganese masses
Percent: 10%
Size: Medium
Contrast: Prominent
Color: 10YR 5/6
Shape: Irregular
Location: Matrix
Hardness: Loose
Boundary: Clear
2nd Redoximorphic Feature
Kind: Iron depletions
Percent: 5%
Size: Medium
Contrast: Faint
Color: 2.5Y 6/3
Shape: Irregular
Location: Matrix
Hardness: Loose
Boundary: Clear
Other Redoximorphic Features: None

ROCK FRAGMENTS (CLASTS)
Gravel: 5%, subangular, mixed
Cobble: 5%, subangular, mixed
Stones: 20%, subangular, mixed
Boulders:

ROOTS
1st Roots: Common, very fine

Field Measured/Estimated Properties
Permeability: Moderate
Saturated Conductivity: No data
Reaction (pH):
Method (pH Reagent): Not recorded

Other Horizon Notes:

HORIZON 7
Observation Kind: Small pit
Horizon Designation: C1
Horizon Depth - upper: 31
Horizon Depth - lower: 39 inches
Horizon Thickness - average: * C1 texture has lenses of sandy loam.
Horizon Thickness - range (min/max):
Horizon Boundary Distinctness: Clear
Horizon Boundary Topography: Wavy

HORIZON COLOR
Matrix Color Moisture: Moist
Matrix Color Location: Interior
Matrix Color Percent: 100
Munsell Notation: 2.5Y 6/3
Other Color: ,

HORIZON TEXTURE
Class: Loamy Sand *
Modifier: stony

HORIZON STRUCTURE
Grade: Structureless
Size: Not recorded
Shape: Massive

RUPTURE RESISTANCE (Consistancy)
Dry:
Moist: Friable
Cementation: Uncemented
Cementation Agent: None
Stickyness: Nonsticky
Plasticity: Nonplastic
Excavation Difficulty: Moderate

REDOXIMORPHIC FEATURES
1st Redoximorphic Feature
Kind: Iron-Manganese masses
Percent: 20%
Size: Coarse
Contrast: Prominent
Color: 7.5YR 5/8
Shape: Irregular
Location: Matrix
Hardness: Soft
Boundary: Clear
2nd Redoximorphic Feature
Kind: Iron concentrations-masses
Percent: 10%
Size: Fine
Contrast: Prominent
Color: 7.5YR 4/4
Shape: Irregular
Location: Matrix
Hardness: Soft
Boundary: Clear
Other Redoximorphic Features: None

CONCENTRATIONS
Concentration Description: FeMn Concretions, fine, rounded, in matrix, 7.5YR 3/3, very hard, sharp, redox feature

ROCK FRAGMENTS (CLASTS)
Gravel: 10% subangular, mixed
Cobble: 5% subangular, mixed
Stones: 5% subangular, mixed

ROOTS
1st Roots: Few, very fine

Field Measured/Estimated Properties
Permeability: Moderatetly rapid
Saturated Conductivity: No data
Reaction (pH):
Method (pH Reagent): Not recorded

Other Horizon Notes: * C1 texture has lenses of sandy loam.

HORIZON 8
Observation Kind: Small pit
Horizon Designation: 2Cd1
Horizon Depth - upper: 39
Horizon Depth - lower: 65 inches
Horizon Thickness - average: Horizon dug to 50 inches, power drill hole to 65 inches, redox features decreased with depth, peizometer installed.
Horizon Thickness - range (min/max):
Horizon Boundary Distinctness: Not recorded
Horizon Boundary Topography: Not recorded

HORIZON COLOR
Matrix Color Moisture: Moist
Matrix Color Location: Interior
Matrix Color Percent: 100%
Munsell Notation: 2.5Y 6/3
Other Color: ,

HORIZON TEXTURE
Class: Fine Sandy Loam
Modifier: gravelly

HORIZON STRUCTURE
Grade: Structureless
Size: Not recorded
Shape: Massive

RUPTURE RESISTANCE (Consistancy)
Dry: Not recorded
Moist: Firm
Cementation: Uncemented
Cementation Agent: None
Stickyness: Slightly sticky
Plasticity: Slightly plastic
Excavation Difficulty: High


REDOXIMORPHIC FEATURES
1st Redoximorphic Feature
Kind: Iron-Manganese masses
Percent: 20%
Size: Very coarse
Contrast: Prominent
Color: 10YR 5/8
Shape: Irregular
Location: Matrix
Hardness: Soft
Boundary: Clear
2nd Redoximorphic Feature
Kind: Iron depletions
Percent: 10%
Size: Medium
Contrast: Faint
Color: 2.5Y 6/1
Shape: Irregular
Location: Matrix
Hardness: Loose
Boundary: Clear
Other Redoximorphic Features: None

ROCK FRAGMENTS (CLASTS)
Gravel: 15%, subangular, mixed
Cobble: 5%, subangular, mixed
Stones: 3%, subangular, mixed

ROOTS
1st Roots: Few, very fine, around clasts

PORES
1st Pores: Common, vesicular

Field Measured/Estimated Properties
Permeability: No Data
Saturated Conductivity: No data
Reaction (pH):
Method (pH Reagent): Not recorded

Other Horizon Notes: Horizon dug to 50 inches, power drill hole to 65 inches, redox features decreased with depth, peizometer installed.


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