ARCHEAN
Avg. Shale Greenland
221123 221127
At No.Elem. parts per million
20 Ca 67400 35878 27802
13 Al 61900 67685 65674
26 Fe 36400 90011 130353
14 Si 24300 273768 261706
19 K 20900 11954 14279
12 Mg 17700 45134 36928
11 Na 17000 11870 9125
17 Cl 17000
16 S 4360
22 Ti 3570 3117 3117
25 Mn 927 1224 1371
9 F 638
15 P 624
56 Ba 469 72 144
38 Sr 342
40 Zr 142 45 48
37 Rb 108
23 V 99 87 76
5 B 83 6 4
30 Zn 76
58 Ce 72
24 Cr 71 580 315
28 Ni 56 239 162
3 Li 50
35 Br 44
29 Cu 39 13 14
57 La 34
60 Nd 33
39 Y 29 16 28
82 Pb 18 7 5
31 Ga 16 10 12
27 Co 15 30 24
41 Nb 14
21 Sc 10 17 19
33 As 10
90 Th 9 0 1
62 Sm 7
50 Sn 4
55 Cs 4
53 I 3
70 Yb 3
92 U 3 0 0
42 Mo 3 0
72 Hf 3 2 3
4 Be 2
73 Ta 2
74 W 2
63 Eu 1
32 Ge 1
65 Tb 1
51 Sb 1
81 Tl 1
52 Te 1
83 Bi 0
34 Se 0
80 Hg 0
48 Cd 0
49 In 0
47 Ag 0
79 Au 0

EARLY PROTEROZOIC
Avg. Shale L_R&H '96
Median 1-3
At No.Elem parts per million
20 Ca 67400 13300
13 Al 61900 58600
26 Fe 36400 101600
14 Si 24300 20460
19 K 20900 28400
12 Mg 17700 17800
11 Na 17000 330
17 Cl 17000
16 S 4360
22 Ti 3570 2100
25 Mn 927 250
9 F 638
15 P 624 69
56 Ba 469 270
38 Sr 342 65
40 Zr 142 90
37 Rb 108
23 V 99 670
5 B 83
30 Zn 76 3360
58 Ce 72
24 Cr 71 140
28 Ni 56 720
3 Li 50 20
35 Br 44
29 Cu 39 870
57 La 34 30
60 Nd 33
39 Y 29 20
82 Pb 18
31 Ga 16
27 Co 15 100
41 Nb 14
21 Sc 10 20
33 As 10
90 Th 9.2
62 Sm 6.8
50 Sn 4.3
55 Cs 3.7
53 I 3.3
70 Yb 3.1
92 U 3.0
42 Mo 2.6 50
72 Hf 2.5
4 Be 2.2
73 Ta 1.6
74 W 1.5
63 Eu 1.4
32 Ge 1.3
65 Tb 1.1
51 Sb 1.1
81 Tl 1.1
52 Te 0.8
83 Bi 0.45
34 Se 0.45
80 Hg 0.29
48 Cd 0.23 15
49 In 0.08
47 Ag 0.054
79 Au 0.0012
88 Ra
76 Os
91 Pa
84 Po
75 Re
85 At
77 Ir
78 Pt
87 Fr
89 Ac
86 Rn
46 Pd
71 Lu
44 Ru
6 C
7 N
8 O
10 Ne
18 Ar
36 Kr
43 Tc
2 He
45 Rh
69 Tm
54 X
59 Pr
61 Pm
64 Gd
66 Dy
67 Ho
68 Er
1 H

LATE PROTEROZOIC
Avg. Shale Black Shale Finland SpP 23 '97
Vihnati Kuuhkamo Pattijoki Kustinen Luopionen Talvivaara
At No.Elem parts per million
20 Ca 67400 32000 37000 29000 23000 14000 12000
13 Al 61900 57000 55000 53000 69000 58000 63000
26 Fe 36400 110000 81000 65000 46000 108000 90000
14 Si 24300
19 K 20900 8000 11000 14000 12000 21000 29000
12 Mg 17700 13000 19000 18000 15000 15000 17000
11 Na 17000 15000 12000 3000 19000 8000 5000
17 Cl 17000
16 S 4360
22 Ti 3570 2000 2000 2000 3000 1000 2000
25 Mn 927 260 500 5550 375 405 2400
9 F 638
15 P 624 525 670 1200 775 540 610
56 Ba 469
38 Sr 342 170 160 40 195 115 70
40 Zr 142 100 90 75 135 110 100
37 Rb 108
23 V 99 550 885 545 330 780 740
5 B 83
30 Zn 76 715 430 605 255 2085 2370
58 Ce 72
24 Cr 71 65 120 130 75 130 140
28 Ni 56 425 320 300 140 445 380
3 Li 50
35 Br 44
29 Cu 39 285 120 400 100 570 610
57 La 34 25 40 35 30 35
60 Nd 33
39 Y 29 25 50 50 40 20 20
82 Pb 18
31 Ga 16
27 Co 15 25 35 35 10 25 50
41 Nb 14
21 Sc 10 10 15 5 10 15 15
33 As 10
90 Th 9.2
62 Sm 6.8
50 Sn 4.3
55 Cs 3.7
53 I 3.3
70 Yb 3.1
92 U 3.0
42 Mo 2.6
72 Hf 2.5
4 Be 2.2
73 Ta 1.6
74 W 1.5
63 Eu 1.4
32 Ge 1.3
65 Tb 1.1
51 Sb 1.1
81 Tl 1.1
52 Te 0.8
83 Bi 0.45
34 Se 0.45
80 Hg 0.29 0.07 0.017 0.4 1.42
48 Cd 0.23
49 In 0.08
47 Ag 0.054
79 Au 0.0012
88 Ra
76 Os
91 Pa
84 Po
75 Re
85 At
77 Ir

ORDOVICIAN
Avg. Shale Fyffe and Pickerill, 1993: Canadian Applach. Hennessy and Mossman, 1996, Atlantic Geology: Llannvirn Black Shales: p. 237
H: ml Areng H: e Arenig G: Arenig G: Tremad G: Tremad Av: Tremad Av: late Camb M: Tremad M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12
L1-3 L4-6 BB1-3 BB4-6 CK1-4 RF1 SF1-3 M1-3 4 4 4 4 4 4 1
At No.Elem parts per million
20 Ca 67400 9077 2001 1001 2073 2430 715 2430 1858 1144 2859 4074 2787 429 71 715 1286 429 286 1429
13 Al 61900 80915 93033 72236 77528 122298 87741 104147 126690 77739 71865 60011 83508 75887 76575 73241 86683 73982 65727 70437
26 Fe 36400 32942 31473 14338 8673 63785 34620 36858 49238 97007 120926 118688 21961 18045 11750 14548 27836 25948 41474 162331
14 Si 24300 289756 284240 321687 329167 254928 265166 274048 263436 279658 267784 266288 306774 318508 322201 323183 293076 323931 314814 243801
19 K 20900 41424 78034 38104 35613 28391 35281 38685 30882 22912 22912 22912 22912 22912 22912 22912 22912 22912 22912 22912
12 Mg 17700 25705 11585 8086 8146 16775 7603 11887 10982 16895 16895 16895 16895 16895 16895 16895 16895 16895 16895 16895
11 Na 17000 8531 5490 2448 6232 9051 6306 5341 9718 2300 2300 2300 2300 2300 2300 2300 2300 2300 2300 2300
17 Cl 17000
16 S 4360 100 1500 2100
22 Ti 3570 3477 3357 4676 5216 7314 5455 5815 6115 4916 4436 3837 5515 4856 4976 4676 5396 4736 4256 4376
25 Mn 927 144 113 119 207 535 74 221 1263 5112 7822 25171 387 155 155 155 232 387 155 7435
9 F 638
15 P 624 431 539 814 341 424 578 590 428 829 1266 1091 1789 698 349 829 0.3 742 829 1266
56 Ba 469 603 622 11377 1424 622 2971 4590 706 2657 1989 1382 10808 9954 10781 7951 16173 8856 6417 1367
38 Sr 342 109 84 38 31 109 47 74 200 23 28 35 54 36 38 28 62 27 27 28
40 Zr 142 144 92 140 161 182 163 159 148
37 Rb 108 148 156 165 171 154 157 169 171 104 45 40 164 166 167 161 181 156 140 52
23 V 99 178 138 2491 1617 217 1415 430 161 187 187 150 723 2204 1536 2623 3016 1928 1392 201
5 B 83
30 Zn 76 100 91 55 22 104 69 92 97 128 144 114 49 64 26 34 106 103 106 138
58 Ce 72 140.47 94.69 108.95
24 Cr 71 103 116 114 162 171 108 116 131 102 99 80 153 99 89 118 134 95 96 93
28 Ni 56 38 46 16 6 48 71 43 37 66 79 60 12 16 11 16 26 26 25 69
3 Li 50
35 Br 44
29 Cu 39 35 47 19 18 33 193 39 28 94 62 88 10 8 5 10 55 36 52 34
57 La 34 54.74 43.72 51.71
60 Nd 33 48.74 48.84 56.69
39 Y 29 16 16 44 18 36 51 39 39 39 45 39 34 36 35 43 46 39 42 49
82 Pb 18 11 13 32 17 16 31 26 27 59 18 12 59 41 74 33 51 44 54 11
31 Ga 16 17 19 18 19 26 21 25 28 21 18 16 21 18 20 19 21 18 17 20
27 Co 15 12.12 14.74 2.32 0.82 16.87 27.73 9.25 17.3 34.53 1.22 1.98
41 Nb 14 8 7 15 17 18 18 20 20 16 14 13 17 17 15 16 17 16 14 14
21 Sc 10 11.87 12.92 14.7 15.87 27 18.52 22.53 20.91 15.65 16.04 16.4
33 As 10 3.2 5.4 84 25.9 18.5 66 16 8.5
90 Th 9.2 9.89 10.3 15.03 14.85 13.37 17.01 15.85 18.35 13 11 10 17 12 15 14 19 15 15 12
62 Sm 6.8 9.57 8.3 10.15
50 Sn 4.3
55 Cs 3.7
53 I 3.3
70 Yb 3.1 3.84 3.59 4.4
92 U 3.0 2.22 5.11 15.34 11.18 2.78 25.89 11.84 3.31 3.68 11.64 21.58
42 Mo 2.6 5 6 40 24 6 54 11 7
72 Hf 2.5 3.98 2.58 3.88 4.69 5.16 4.67 4.38 4.1 3.8 4.33 4.03
4 Be 2.2
73 Ta 1.6 0.74 0.74 1.27 1.4 1.32 1.61 1.58 1.78 13.09 14.63 16.74
74 W 1.5
63 Eu 1.4 2.01 1.39 1.64
32 Ge 1.3
65 Tb 1.1 1.33 1.02 1.2
51 Sb 1.1 0.4 0.4 8.3 10.8 0.7 4 0.6 0.9
81 Tl 1.1
52 Te 0.8
83 Bi 0.45
34 Se 0.45
80 Hg 0.29
48 Cd 0.23
49 In 0.08
47 Ag 0.054
79 Au 0.0012
88 Ra
76 Os
91 Pa
84 Po
75 Re
85 At
77 Ir
78 Pt 2.32
87 Fr
89 Ac
86 Rn
46 Pd
71 Lu 0.56 0.55 0.69
44 Ru
6 C
7 N
8 O
10 Ne
18 Ar
36 Kr
43 Tc
2 He
45 Rh
69 Tm
54 X
59 Pr
61 Pm
64 Gd
66 Dy
67 Ho
68 Er
1 H

SILURIAN
Avg. Shale Cullers et al. 1997 Storch&Pasava '89 p. 156-57
Perry Mt Rangley Small Falls cl-muds Barv
At No. Elem parts per million
20 Ca 67400 2144 2859 3859 3502 30804
13 Al 61900 92081 98960 105840 51967 60593
26 Fe 36400 51056 46160 24479 18737 29655
14 Si 24300 301070 295460 299668 343566 289055
19 K 20900 29885 31546 38187 16603 28723
12 Mg 17700 11465 12671 9654 4526 8991
11 Na 17000 6009 7196 7270 7938 1039
17 Cl 17000
16 S 4360 0.22 3.94
22 Ti 3570 5515 5455 6115 5455 3537
25 Mn 927 697 465 465 155 155
9 F 638
15 P 624
56 Ba 469 474 561 581
38 Sr 342
40 Zr 142 114 175
37 Rb 108 146 147 185 59
23 V 99 3817
5 B 83
30 Zn 76 52 3144
58 Ce 72
24 Cr 71 95 95 106 135 586
28 Ni 56 77 331
3 Li 50
35 Br 44
29 Cu 39 89 353
57 La 34 18.6 51 39.3
60 Nd 33
39 Y 29 48
82 Pb 18 23 46
31 Ga 16 12 12
27 Co 15 14.1 13.7 7.2
41 Nb 14 13
21 Sc 10 16.1 18.8 22
33 As 10 16 130
90 Th 9.2 13.7 17.3 14
62 Sm 6.8
50 Sn 4.3 7
55 Cs 3.7 13 5.8 10.7
53 I 3.3
70 Yb 3.1
92 U 3.0 10 42
42 Mo 2.6 33 137
72 Hf 2.5 7 5.3 4.2
4 Be 2.2
73 Ta 1.6 1.5 1.4 1.7
74 W 1.5
63 Eu 1.4
32 Ge 1.3
65 Tb 1.1
51 Sb 1.1
81 Tl 1.1
52 Te 0.8
83 Bi 0.45
34 Se 0.45
80 Hg 0.29
48 Cd 0.23
49 In 0.08
47 Ag 0.054
79 Au 0.0012
88 Ra
76 Os
91 Pa
84 Po
75 Re
85 At
77 Ir
78 Pt
87 Fr
89 Ac
86 Rn
46 Pd
71 Lu
44 Ru
6 C 3.23 14.13
7 N
8 O
10 Ne
18 Ar
36 Kr
43 Tc
2 He
45 Rh
69 Tm
54 X
59 Pr
61 Pm
64 Gd
66 Dy
67 Ho
68 Er
1 H