RI009-2008-010-NP
Washover Fan Slope; Ninigret Pond, Charlestown, RI
Pedon Description:
A --- 0 to 5 centimeters; dark grayish brown (2.5Y 4/2) moist, loamy sand; massive; friable;
nonfluid; abrupt.
CA1 --- 5 to 13 centimeters; dark gray (2.5Y 4/1) moist, sand; single grain; loose; nonfluid; clear.
CA2 --- 13 to 23 centimeters; 70 percent very dark gray (2.5Y 3/1) moist and 30 percent dark
gray (2.5Y 4/1) moist, loamy sand; single grain; loose; nonfluid; abrupt.
CA3 --- 23 to 34 centimeters; very dark gray (5Y 3/1) moist, fine sand; single grain; loose;
nonfluid; abrupt.
Cg --- 34 to 43 centimeters; gray (2.5Y 5/1) moist, fine sand; single grain; loose; nonfluid;
abrupt.
C/A --- 43 to 53 centimeters; very dark gray (5Y 3/1) moist, sandy loam; massive; friable;
nonfluid; abrupt.
Ab --- 53 to 74 centimeters; greenish black (10Y 2.5/1) moist, very fine sandy loam; massive;
friable; nonfluid; abrupt.
CA --- 74 to 103 centimeters; very dark greenish gray (10Y 3/1) moist, sandy loam; massive;
friable; nonfluid; abrupt.
A'b --- 103 to 150 centimeters; greenish black (10Y 2.5/1) moist, very fine sandy loam; massive;
friable; nonfluid; clear.
AC --- 150 to 200 centimeters; very dark greenish gray (10Y 3/1) moist, silt loam; single grain;
loose; nonfluid.
RI009-2008-010-NP.doc
Laboratory Data:
Horizon
A
CA1
CA2
CA3
Cg
C/A
Ab
CA
A'b
AC
Horizon
A
CA1
CA2
CA3
Cg
C/A
Ab
CA
A'b
AC
Horizon
Depth (cm)
0-5
5-13
13-23
23-34
34-43
43-53
53-74
74-103
103-150
150-200
Horizon
Depth (cm)
0-5
5-13
13-23
23-34
34-43
43-53
53-74
74-103
103-150
150-200
Db
1.28
0.68
1.08
0.99
0.40
1.26
1.79
0.75
1.01
1.62
CaCO3
(%)
1.56
0.53
0.86
1.10
0.66
2.15
1.83
0.91
1.17
2.00
5:1 Sal
(ms)
3.11
2.30
2.60
2.73
1.14
3.60
3.93
3.97
3.51
4.53
%CS
%MS
%FS
1.4
1.5
1.9
0.8
0.5
0.9
nd
1.4
0.5
0.3
5.0
9.1
0.5
3.1
3.1
5.0
nd
27.4
0.5
1.5
54.5
61.1
57.9
57.1
72.2
31.9
nd
37.0
23.9
12.8
OM (%)
OC (%)
2.56
1.35
2.16
1.98
0.79
2.51
3.57
1.50
2.02
3.23
%VCS
0.6
0.2
0.4
0.6
0.1
1.3
nd
0.0
0.3
0.0
3
(g/cm )
0.88
1.03
0.86
0.81
0.82
1.06
0.94
1.02
1.07
0.97
General Information
General Description:
Location Description:
Initial pH 1 Mo. pH 2 Mo. pH 3 Mo. pH
6.34
5.92
5.11
5.60
6.33
7.62
7.39
7.46
7.95
7.92
4.84
2.81
2.66
2.81
3.14
7.56
3.37
2.80
2.65
3.01
3.82
2.65
2.63
2.75
2.96
7.26
2.60
2.66
2.69
2.61
3.25
2.39
2.46
2.75
2.76
7.48
2.57
2.48
2.48
2.40
%VFS
%Sand
%Silt
%Clay
Texture
27.3
23.2
23.8
30.3
20.1
44.7
nd
12.7
48.8
44.2
88.8
95.2
84.6
91.9
96.0
83.8
nd
78.6
73.9
58.8
7.6
2.8
12.4
5.9
4.0
12.5
nd
21.1
26.1
41.2
3.5
2.0
3.0
2.2
0.0
3.8
nd
0.3
0.0
0.0
FS
FS
FS
FS
FS
FS
nd
LS
LS
LS
sandy marine deposits over silty marine deposits
Washington County, Rhode Island; Town of
Charlestown
Location Map:
Description Date:
Describer:
Pedon ID:
Pedon Notes:
1/20/2009
J. Turenne; M. Payne
RI009-2008-010-NP
Vibracore collected 8/13/08; opened and described
1/20/09
Lab Source ID:
Lab Pedon #:
Soil Name as Described/Sampled:
Soil Name as Correlated:
Classification(10th edition):
Classification (Wassents):
Water Depth (feet):
Primary Earth Cover:
Existing Vegetation:
Parent Material:
Particle Size Control Section:
Diagnostic Features:
URI
RI009-2008-010-NP
Washover Fan Slope
Nagunt
Typic Psammaquents
Sulfic Fluviwassents
Water cover
none
sandy marine deposits
25 to 100 cm.
Sulfidic material: 0 to 43 centimeters
Reduced matrix: 0 to 200 centimeters
Aquic conditions: 0 to 200 centimeters
RI009-2008-010-NP.doc
Sulfidic material: 53 to 200 centimeters
Location Information
Country:
State:
County:
MLRA:
Soil Survey Area:
Quad Name:
Latitude:
Longitude:
Datum:
UTM Zone:
UTM Easting:
UTM Northing:
Physiographic Division:
Physiographic Province:
Physiographic Section:
State Physiographic Area:
Local Physiographic Area:
United States
Rhode Island
WASHINGTON
144A - New England and Eastern New York
Upland, Southern Part
RI600 -- State of Rhode Island: Bristol, Kent,
Newport, Providence, and Washington Counties
Quonochontaug, Rhode Island
41°21’35.87228” north
71°38’56.34192” west
NAD83
19
278422.71E meters
4582103.73N meters
Atlantic Lowland
Coastal Plain
Embayed section
Ninigret Pond
RI009-2008-010-NP.doc
Location Map:
RI009-2008-010-NP.doc