Chapter 7
 
Table 3 -  Analytical data for Hg, Fe, Al, Mn, Cu, Zn, and
Pb in cores collected in salt marshes
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
BI-2 1.5-4.5 1.5 0.17 1985 218 0.56 0.38 34 23 34 205
4.5-7.5 4.5 0.15 1970 329 0.29 0.31 26 23 16 243
7.5-10 7.5 0.14 1954 301 0.44 0.34 27 25 12 171
10-12.5 10 0.12 1942 279 0.35 0.32 21 12 9 144
12.5-15.5 12.5 0.12 1930 193 0.4 0.41 33 7 11 268
15.5-18.5 15.5 0.15 1915 97 0.29 0.45 27 3 10 80
18.5-22 18.5 0.17 1900 90 0.21 0.37 19 3 7 75
22-26 22 0.19 1882 13 0.15 0.28 7 2 9 17
26-30 26 0.2 1862 10 0.82 0.25 5 2 28 8
30-34 30 0.22 1842 58 1 0.22 7 2 25 2
34-36 34 0.2 1822 41 0.39 0.23 4 1 2 2
38-42.5 38 0.2 1802 20 0.21 0.22 3 1 2 2
42.5-47.5 42.5 0.2 1780 41 0.23 0.22 2 1 2 2
47.5-52.5 47.5 0.2 1755 47 0.15 0.22 2 1 2 2
52.5-57.5 52.5 0.2 1730 25 0.22 0.26 2 2 2 2
57.5-62.5 57.5 0.2 1705 42 0.25 0.28 2 2 2 2
62.5-67.5 62.5 0.2 1680 9 0.37 0.32 2 2 4 2
67.5 1655 59 0.36 0.43 6 2 3 2
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
BI-3 0-6 0 0.17 1989 145 0.32 37 28 192
6--11 6 0.2 1964 194 0.43 56 23 174
11--15 11 0.23 1939 243 0.52 31 41 141
15-18 15 0.3 1914 156 0.51 20 16 97
18-21 18 0.26 1889 75 0.33 24 13 72
21-24 21 0.2 1864 104 0.26 19 10 41
24-27 24 0.18 1839 69 0.39 19 15 44
27-30 27 0.16 1814 92 0.6 27 31 27
30-35 30 0.14 1789 20 0.66 17 21 31
35-40 35 0.11 1764 62 0.56 21 11 19
40-45 40 0.13 1752 39 0.32 27 10 5
45-50 45 0.14 1739 16 0.43 20 9 17
50-55 50 0.13 1714 49 0.35 19 9 29
55-60 55 0.14 1689 113 0.39 22 20 15
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
BI-5 0-2 0 0.2 1994 206 0.67 26 89 48
2--4 2 0.13 1984 259 0.25 28 66 37
4--6 4 0.21 1974 474 0.28 42 73 64
6--8 6 0.21 1964 294 0.26 33 62 48
8--10 8 0.2 1954 268 0.29 32 47 46
10--12 10 0.28 1944 323 0.31 26 54 77
12--14 12 0.1 1935 236 0.37 30 53 89
14-17 14 0.19 1925 314 0.34 32 56 127
17-20 17 0.19 1910 351 0.54 28 115 141
20-23 20 0.23 1895 185 0.5 20 96 65
23-26 23 0.19 1880 132 0.45 12 155 49
26-29 26 0.23 1865 129 0.26 20 125 60
29-32 29 0.26 1850 96 0.79 19 171 49
32-35 32 0.14 1836 76 0.88 13 87 41
35-38 35 0.12 1821 83 0.62 15 59 55
38-41 38 0.12 1806 80 0.43 10 30 82
41-44 41 0.12 1791 94 0.41 11 41 122
44-48 44 0.17 1776 92 0.44 12 25 124
48-51 48 0.17 1756 153 0.39 15 37 82
51-54 51 0.28 1742 113 0.49 10 21 36
54-57 54 0.53 1727 50 0.44 7 21 33
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
PT(B)100 0-2.5 0 0.41 1997 107 1.02 0.41 19 25.9 63
2.5-5 2.5 0.41 1991 82 0.42 0.32 32 16.9 49
5-7.5 5 0.42 1984 60 0.38 0.31 27 15.9 43
7.5-10 7.5 0.22 1974 86 0.28 0.27 15 13.7 29
10-12.5 10 0.31 1964 80 0.89 0.5 34 47.7 111
12.5-15 12.5 0.33 1956 159 0.63 0.35 17 26.5 40
15-17.5 15 0.35 1947 102 0.52 0.29 9 17.4 10
17.5-20 17.5 0.17 1939 100 0.64 0.65 10 45.4 21
20-22.5 20 0.29 1930 86 0.64 0.65 10 45.4 21
22.5-25 22.5 0.23 1923 87 0.89 0.92 10 41.4 25
25-27.5 25 0.18 1917 61 0.89 0.92 10 41.4 25
27.5-30 27.5 0.48 1906 64 0.65 0.67 8 25.2 9
30-32.5 30 0.23 1895 48 0.65 0.67 8 25.2 9
32.5-35 32.5 0.18 1882 40 0.58 0.44 7 11.1 8
35-37.5 35 0.16 1864 49 0.58 0.44 7 11.1 8
37.5-40 37.5 0.15 1841 34 0.52 0.34 5 10 5
40-42.5 40 0.12 1810 108 0.52 0.34 5 10 5
42.5-45 42.5 0.13 1769 51 0.55 0.44 9 10.8 5
45-47.5 45 0.15 1718 55 0.62 0.45 16 12.5 6
47.5-50 47.5 0.13 1653 46 0.62 0.45 16 12.5 6
50-52.5 50 0.14 1571 48 0.76 0.41 11 13.5 4
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
GI-1 0-2.5 0 0.41 1999 146 2.15 1.44 33 93 28
2.5-5 2.5 0.44 1992 168 2.15 1.44 33 93 28
5-7.5 5 0.41 1984 217 2.11 1.45 50 111 76
7.5-10 7.5 0.33 1975 311 2.26 1.47 73 143 97
10-12.5 10 0.37 1955 383 2.26 1.47 73 143 97
12.5-15 12.5 0.39 1939 347 2.12 1.48 73 159 71
15-17.5 15 0.32 1922 283 2.08 1.48 60 110 71
17.5-20 17.5 0.25 1905 322 2.03 1.49 42 79 59
20-22.5 20 0.19 1899 353 1.48 1.23 41 55 52
22.5-25 22.5 0.16 1893 409 1.48 1.23 41 55 52
25-27.5 25 0.16 1887 342 1.37 0.97 55 43 43
27.5-30 27.5 0.15 1883 367 1.52 1.39 36 70 50
30-32.5 30 0.29 1879 324 1.52 1.39 36 70 72
32.5-35 32.5 0.36 1873 129 1.41 1.31 17 54 62
35-38 35 0.3 1865 57 1.45 1.31 18 56 50
38-41 38 0.37 1854 40 1.49 1.22 18 56 27
41-45 41 0.39 41 2.16 1.36 15 83 16
45-50 45 0.38 28 2.43 1.5 12 96 10
50-55 50 0.26 32
55-60 55 0.15 36
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
E 0--2 0 0.38 1995 97 2.38 2.66 275 20 67 31
2--4 2 0.38 1990 129 2.69 3.22 177 23 76 38
4--6 4 0.38 1984 149 2.16 2.95 161 25 63 57
6--8 6 0.38 1979 173 1.59 1.14 111 24 40 60
8--10 8 0.24 1973 198 1.16 0.6 123 41 27 54
10--12 10 0.24 1968 210 1.12 0.67 117 46 21 50
12--14 12 0.24 1963 244 0.84 0.55 101 56 55 70
14-16 14 0.24 1957 293 1.36 0.84 128 55 45 77
16-18 16 0.25 1952 152 1.84 1.34 125 29 257 94
18-20 18 0.25 1946 96 1.34 0.95 124 55 129 235
20-22 20 0.25 1941 70 1.65 1.49 142 21 97 45
22-24 22 0.25 1935 96 1.86 1.25 142 18 99 53
24-26 24 0.25 1930 40 1.65 1.27 158 11 67 25
26-28 26 0.23 1920 60 1.1 1.16 123 7 36 18
28-30 28 0.23 1910 61 1.1 1.26 114 7 38 19
30-32 30 0.23 1900 60 0.94 1.17 91 8 29 11
32-37 32 0.23 1890 28 1.26 1.41 110 8 33 15
37-40 37 0.23 1880 33 1.04 1.18 92 3 23 4
40-45 40 0.18 1870 28 0.76 1.01 76 4 17 2
45-50 45 0.18 1853 32 0.71 0.53 51 4 8 0
50-55 50 0.18 1836 30 0.82 0.47 48 4 9 0
55-60 55 0.14 1820 19 0.85 0.45 46 3 9 0
60-65 60 0.14 1803 34 0.64 0.39 45 3 6 0
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
GA 0--4 0 0.3 1992 326 1.87 53 65
4--8 4 0.4 1972 415 0.97 68 56
8--12 8 0.4 1954 319 0.59 43 33
12-16.5 12 0.4 1935 256 1.12 45 90
16.5-21 16.5 0.4 1913 267 0.88 23 146
21-25 21 0.4 1892 209 1.13 19 73
25-29 25 0.3 1877 111 1.15 18 56
29-33 29 0.4 1854 71 1.55 0 37
33-37 33 0.4 1834 173 0.6 13 26
37-45 37 0.4 1794 29 2.34 11 60
45-53 45 0.4 1754 20 1.09 4 53
53-61.5 53 0.3 1703 54 1.43 19 73
61.5-70.5 61.5 0.3 1662 47 1.56 0 43
70.5-80 70.5 0.4 1615 90 1.19 20 126
80-89 80 0.4 1570 48 1.04 27 58
89-98 89 0.3 1525 49 0.79 0 129
98-107 98 0.4 32 1.28 0 28
107-116 107 0.4 43 1.19 4 48
116-124 116 0.4 32 1.37 10 49
124-132 124 0.4 36 1.03 0 36
132-140 132 0.4 34 1.19 0 39
140 0.4 35 1 10 54
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
GK 0--5 0 0.22 1992 296 0.78 15 36
5--10 5 0.23 1967 420 0.98 32 60
10--15 10 0.22 1944 336 1.33 27 44
15-20 15 0.21 1920 361 1.17 22 95
20-24 20 0.16 1896 375 1.92 40 140
24-29 24 0.26 1877 305 1.74 36 140
29-33 29 0.26 1858 109 0.88 10 18
33-37 33 0.22 1839 111 0.94 0 34
37-40 37 0.28 1825 98 1.79 5 26
40-44 40 0.22 1806 71 0.98 3 8
44-48 44 0.22 1787 71 0.98 3 6
48-53 48 0.26 1763 114 0.72 0 13
53-57 53 0.26 1744 114 0.72 0 70
57-60 57 0.27 1729 38 1.49 0 64
60-65 60 0.27 1706 38 1.49 0 67
65-68 65 0.25 1691 103 0.79 2 23
68-72 68 0.25 1672 103 0.79 2 17
72-76 72 0.21 1653 36 0.53 3 20
76-81 76 0.21 1629 36 0.53 3 26
81-86 81 0.21 1606 57 0.38 1 68
86-90 86 0.21 57 0.38 1 70
90-95 90 0.22 15 0.65 2 42
95-99 95 0.22 15 0.65 2 79
99-103 99 0.25 24 0.64 0 31
103-106 103 0.25 24 0.64 0 34
106-109 106 0.21 86 0.68 0 40
109-113 109 0.21 86 0.68 0 32
113-117 113 0.23 21 0.67 0 50
117-122 117 0.23 21 0.67 0 32
122-127 122 0.19 26 1 2 30
127-132 127 0.19 26 1 2 27
132-137 132 0.24 38 0.72 4 21
137-142 137 0.24 38 0.72 4 23
142-147 142 0.19 51 0.82 27 84
147-152 147 0.19 51 0.82 27 74
152-157 152 0.24 31 0.87 1 45
157-162 157 0.24 31 0.87 1 34
162-167 162 0.27 51 1.24 5 70
167-172 167 0.27 51 1.24 5 32
172-175 172 0.26 44 0.77 1 21
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
BFB3A 0-2.5 0 0.2 1996 236 1.91 1.01 190 85 83 71
2.5-5 2.5 0.16 1990 196 2.44 1.09 170 140 159 116
5-7.5 5 0.15 1983 230 2.99 1.31 195 116 129 88
7.5-10 7.5 0.15 1974 232 2.01 1.3 165 102 79 50
10-12.5 10 0.17 1964 275 2.39 1.34 179 77 140 57
12.5-15 12.5 0.15 1953 382 2.08 1.2 149 43 66 34
15-17.5 15 0.14 1941 427 3.84 1.34 209 33 143 49
17.5-20 17.5 0.14 1928 331 2.91 1.35 212 25 60 25
20-22.5 20 0.16 1913 294 2.19 1.37 210 18 51 24
22.5-25 22.5 0.2 1897 525 1.53 1.05 146 14 34 18
25-27.5 25 0.17 1880 379 1.24 0.99 120 10 27 10
27.5-30 27.5 0.19 1862 351 0.63 0.7 61 10 14 9
30-32.5 30 0.24 1842 253 0.7 0.75 50 9 12 7
32.5-35 32.5 0.17 1822 118 1.42 1.38 97 12 23 3
35-37.5 35 0.12 1800 66 0.89 0.86 54 11 11 5
37.5-40 37.5 0.17 1777 49 0.73 0.68 50 11 10 6
40-45 40 0.2 1752 39 0.61 0.59 40 9 8 5
45-50 45 0.12 1700 75 0.43 0.49 28 11 5 4
50-55 50 0.11 1643 52 0.35 0.54 23 11 5 4
55-60 55 0.11 1581 34 1.14 1.48 87 11 23 9
60-65 60 0.1 1514 41 1.53 1.44 120 9 40 4
65-70 65 0.1 1442 32 1.48 1.01 67 12 28 2
70-73 70 0.11 1366 38 0.86 1.15 71 6 31 2
73-78 73 0.12 1318 35 0.75 1.03 44 6 29 4
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
BFA3 0-2.5 0 0.27 1996 249 2.04 0.87 175 113 105 99
2.5-5 2.5 0.28 1986 318 2.54 0.97 231 118 122 119
5-7.5 5 0.4 1975 386 2.68 0.85 218 169 306 151
7.5-10 7.5 0.35 1965 469 3.63 0.81 226 273 384 189
10-12.5 10 0.37 1954 423 3.62 0.76 258 336 510 260
12.5-15 12.5 0.57 1944 354 7.26 0.6 662 537 3622 443
15-17.5 15 0.53 1933 323 7.23 0.64 610 397 4480 251
17.5-20 17.5 0.57 1923 310 7.04 0.72 302 134 5095 107
20-22.5 20 0.35 1913 327 4.1 0.85 219 61 364 32
22.5-25 22.5 0.31 1902 277 2.45 1.04 179 75 205 49
25-27.5 25 0.43 1892 205 1.78 1.05 164 26 309 29
27.5-30 27.5 0.36 1881 161 1.8 1.06 159 23 391 15
30-32.5 30 0.38 1871 189 1.64 1 146 21 70 14
32.5-35 32.5 0.48 1860 108 0.86 0.63 86 19 35 12
35-37.5 35 0.47 1850 67 0.84 0.76 98 20 35 15
37.5-40 37.5 0.27 1840 58 1.07 0.94 117 20 54 13
40-42.5 40 0.3 1829 63 1.05 0.92 112 15 41 9
42.5-45 42.5 0.31 1819 89 1.36 0.9 123 19 40 10
45-47.5 45 0.48 1808 41 2.23 1.13 176 18 63 14
47.5-50 47.5 0.45 1798 37 2.15 1.11 183 18 61 13
50-55 50 0.31 1788 32 1.89 1.01 162 18 57 11
55-60 55 0.37 1767 35 2.29 1.14 201 16 61 11
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
BFL8c 0--5 0 0.12 1998 333 1.03 0.37 79 83 76 193
5-7.5 5 0.16 1969 324 1.14 0.58 85 105 82 350
7.5-10 7.5 0.2 1955 311 1.09 0.65 95 68 70 316
10--13 10 0.17 1941 268 0.81 0.63 83 73 55 194
13-16 13 0.2 1925 288 0.74 0.52 56 71 57 96
16-19 16 0.21 1908 258 0.75 0.59 61 64 46 87
19-21.5 19 0.16 1892 220 0.69 0.59 66 48 31 48
21.5-24 21.5 0.17 1879 171 0.46 0.45 41 29 29 55
24-26.5 24 0.15 1866 176 0.49 0.46 40 13 32 40
26.5-29 26.5 0.18 1853 116 0.82 0.57 49 33 105 42
29-31.5 29 0.23 1840 110 0.77 0.68 67 10 102 14
31.5-34 31.5 0.32 1828 100 1.79 0.68 75 10 62 12
34-36.5 34 0.2 1815 82 2.27 0.61 67 32 90 8
36.5-39 36.5 0.19 1803 60 1.71 0.68 80 8 67 6
39-41.5 39 0.23 1791 57 1.78 0.84 111 12 48 6
41.5-44 41.5 0.19 1779 84 1.66 0.75 93 8 36 7
44-46.5 44 0.2 1767 45 1.13 0.65 78 14 28 10
46.5-49 46.5 0.18 1755 35 0.65 0.43 43 12 26 5
49-51.5 49 0.23 1743 57 1.01 0.64 71 14 24 6
51.5-54 51.5 0.32 1732 48 1.3 1.06 136 11 46 8
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
KI-1 0-2.5 0 0.19 1998 177 0.8 0.29 239 70 155 74
2.5-5 2.5 0.18 1992 221 0.5 0.27 71 101 125 115
5-7.5 5 0.11 1985 360 0.48 0.24 67 150 158 191
7.5-10 7.5 0.13 1974 606 0.65 0.44 78 250 158 267
10-12.5 10 0.21 1973 1367 1.29 0.99 129 310 321 222
12.5-15 12.5 0.25 1970 1544 1.51 1.28 150 435 246 239
15-17.5 15 0.2 1969 1361 1.16 1.14 133 849 250 237
17.5-20 17.5 0.11 1965 774 0.44 0.52 46 1157 148 325
20-22.5 20 0.09 1962 639 0.37 0.4 66 922 173 319
22.5-25 22.5 0.13 1953 716 0.6 0.49 73 877 247 305
25-27.5 25 0.13 1943 703 0.92 0.42 38 1146 426 426
27.5-30 27.5 0.13 1919 680 1.51 0.49 50 1313 466 474
30-32.5 30 0.17 1907 572 1.97 0.55 98 1115 1030 314
32.5-35 32.5 0.19 1890 561 1.94 0.68 112 734 1133 220
35-37.5 35 0.18 1840 581 2.14 0.65 114 478 924 126
37.5-40 37.5 0.28 1827.5 384 2.26 0.69 125 195 393 58
40-42.5 40 0.3 1815 367 2.11 0.84 144 78 210 55
42.5-45 42.5 0.41 1802.5 125 2.26 1.33 207 58 248 34
45-47.5 45 0.3 1790 120 2 1.09 189 59 161 38
47.5-50 47.5 0.42 1777.5 93 1.76 1.03 179 42 220 34
50-55 50 0.41 1752.5 23 1.59 0.94 164 40 168 39
55-60 55 0.7 1727.5 36 1.07 0.47 115 29 207 21
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
CP3 0--2 0 1.33 1985 358 2.7 1.72 300 68 172 47
2--4 2 1.33 1975 350 2.93 1.59 300 70 179 64
4--6 4 1.33 1964 414 2.9 1.72 400 80 200 58
6--8 6 1.33 1954 377 2.96 1.45 300 73 183 71
8--10 8 1.33 1943 321 2.84 1.75 400 66 189 53
10--12 10 1.33 1933 260 2.22 1.32 300 46 124 46
12--14 12 1.33 1923 244 2.35 1.53 300 43 117 36
14-16 14 1.33 1912 181 2.13 1.24 300 37 87 37
16-18 16 1.33 1902 253 2.18 1.39 300 38 91 32
18-20 18 1.33 1891 263 2.32 1.41 300 37 89 44
20-25 20 1.33 1873 153 2.17 1.29 300 31 80 28
25-30 25 1.33 1860 135 1.91 1.15 200 25 65 23
30-35 30 1.33 1834 153 1.7 0.99 200 22 61 20
35-40 35 1.33 1807 112 1.64 0.97 200 20 53 17
40-45 40 1.33 1781 103 1.84 1.1 200 21 54 13
45-50 45 1.33 1755 71 1.76 1.06 200 20 53 11
50-55 50 1.33 1729 76 1.95 1.21 200 22 57 11
55-60 55 1.33 2.15 1.36 300 25 61 11
60-65 60 1.33 2.02 1.27 300 20 56 10
65-70 65 1.33 2.12 1.37 300 22 60 10
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
DM 0-2.5 0 0.36 118
2.5-5 2.5 0.36 116
5-7.5 5 0.51 142
7.5-10 7.5 0.54 155
10-12.5 10 0.7 158
12.5-15 12.5 0.79 181
15-17.5 15 0.83 162
17.5-20 17.5 0.79 208
20-22.5 20 0.73 342
22.5-25 22.5 0.79 364
25-27.5 25 0.9 357
27.5-30 27.5 0.96 384
30-32.5 30 0.93 375
32.5-35 32.5 0.81 302
35-37.5 35 0.91 327
37.5-40 37.5 1.04 289
40-42.5 40 0.96 311
42.5-45 42.5 1 333
45-47.5 45 1.04 392
47.5-50 47.5 1 392
50-52.5 50 1.12 369
52.5-55 52.5 1.24 420
55-57.5 55 1.22 372
57.5-60 57.5 1.37 453
60-65 60 1.39 426
65-70 65 1.48 346
70-75 70 1.33 265
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
TM 0-2.5 0 0.6 214
5.5-5 2.5 0.26 232
5-7.5 5 0.71 267
7.5-10 7.5 0.65 254
10-12.5 10 0.65 243
12.5-15 12.5 0.93 216
15-17.5 15 0.65 167
17.5-20 17.5 0.56 135
20-22.5 20 0.51 97
22.5-25 22.5 0.54 82
25-27.5 25 0.63 123
27.5-30 27.5 0.66 133
30-32.5 30 0.71 135
32.5-35 32.5 0.89 177
35-37.5 35 0.87 152
37.5-40 37.5 0.77 100
40-42.5 40 0.8 40
42.5-45 42.5 1.01 44
 
core depth (cm) av. Depth (cm) dry density (gr/cm3) Age (yr) Hg (ppb) Fe (%) Al (%) Mn (ppm) Cu (ppm) Zn (ppm) Pb (ppm)
LL 0-2.5 0 0.18 1999 276 0.33 0.16 41 0 46 47
2.5-5 2.5 0.17 1993 289 0.13 0.09 3 1 59 34
5-7.5 5 0.19 1987 349 0.36 0.23 38 2 43 87
7.5-10 7.5 0.2 1981 359 0.39 0.38 47 7 52 0
10-12.5 10 0.23 1975 278 0.56 0.39 57 0 41 30
12.5-15 12.5 0.23 1969 223 0.85 0.83 139 36 100 41
15-17.5 15 0.21 1963 197 0.38 0.35 52 1 28 24
17.5-20 17.5 0.2 1957 156 1.42 0.94 35 138 0 8
20-22.5 20 0.21 1951 152 0.44 0.31 54 0 18 0
22.5-25 22.5 0.21 1945 138 0.45 0.38 26 0 24 7
25-27.5 25 0.21 1939 116 0.19 0.25 39 0 0 0
27.5-30 27.5 0.21 1934 120 0.27 0.28 31 0 22 16
30-32.5 30 0.23 1928 96 0.14 0.19 119 0 0 12
32.5-35 32.5 0.18 1922 76 0.11 0.14 14 0 0 0
35-37.5 35 0.12 1916 97 0.09 0.11 6 0 0 0
37.5-40 37.5 0.16 1910 82 0.1 0.13 10 0 0 0
40-42.5 40 0.13 1904 89 0.31 0.44 73 25 56 0
42.5-45 42.5 0.11 1898 106 0.21 0.28 46 0 23 0
45-47.5 45 0.14 1892 92 0.09 0.11 9 0 0 0
47.5-50 47.5 0.12 1886 50 0.13 0.32 82 37 0
50-55 50 0.15 1870 50 0.15 0.11 37 0 19 0
55-60 55 0.16 33 0 0 0 0
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