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Table T4. XRD mineral composition, Site U1420.
|
Core, section, interval (cm)
|
Top depth
CSF-A (m)
|
Mica
(counts)
|
Hornblende
(counts)
|
Chlorite +
kaolinite
(counts)
|
Total clays
(counts)
|
Quartz
(counts)
|
Plagioclase
(counts)
|
Calcite
(counts)
|
Pyrite
(counts)
|
|
341-U1420A-
|
|
2R-1W, 57–58
|
10.27
|
4,164
|
4,864
|
5,983
|
2,691
|
9,762
|
11,372
|
2,771
|
1,917
|
|
4R-1W, 13–14
|
29.23
|
3,446
|
3,247
|
4,794
|
2,495
|
8,502
|
12,211
|
2,523
|
2,120
|
|
5R-1W, 32–33
|
39.12
|
3,352
|
2,953
|
4,024
|
2,348
|
8,957
|
8,852
|
2,470
|
1,942
|
|
50R-1W, 47–48
|
468.37
|
7,873
|
7,033
|
13,016
|
2,579
|
8,188
|
17,565
|
3,006
|
2,288
|
|
51R-1W, 47–48
|
478.07
|
3,639
|
5,039
|
5,283
|
2,334
|
9,902
|
8,433
|
2,512
|
2,124
|
|
59R-1W, 83–84
|
556.03
|
4,549
|
5,493
|
6,683
|
2,631
|
6,648
|
9,132
|
3,296
|
2,656
|
|
59R-3W, 60–61
|
558.80
|
7,068
|
9,517
|
9,517
|
2,670
|
6,018
|
8,607
|
4,164
|
2,757
|
|
63R-2W, 60–61
|
596.10
|
4,619
|
6,123
|
5,983
|
2,603
|
6,473
|
7,103
|
3,324
|
3,097
|
|
64R-1W, 37–38
|
604.07
|
4,829
|
4,794
|
8,363
|
2,663
|
7,068
|
10,707
|
2,859
|
2,274
|
|
65R-1W, 37–38
|
613.77
|
3,919
|
3,744
|
5,283
|
2,582
|
7,453
|
7,593
|
2,831
|
2,092
|
|
66R-1W, 37–38
|
623.47
|
4,024
|
4,479
|
5,808
|
2,624
|
7,873
|
10,217
|
2,967
|
2,379
|
|
68R-1W, 38–39
|
642.88
|
5,353
|
4,444
|
8,957
|
2,659
|
8,572
|
12,071
|
3,142
|
2,292
|
|
69R-1W, 38–39
|
652.58
|
4,024
|
3,709
|
6,088
|
2,666
|
6,298
|
9,972
|
3,293
|
2,106
|
|
71R-1W, 38–39
|
671.98
|
6,123
|
5,808
|
10,812
|
2,526
|
10,602
|
14,976
|
2,656
|
2,061
|
|
72R-1W, 38–39
|
681.68
|
6,438
|
8,782
|
11,057
|
2,645
|
15,360
|
17,040
|
3,604
|
NA
|
|
73R-1W, 38–39
|
691.38
|
4,164
|
3,989
|
7,908
|
2,561
|
11,477
|
8,817
|
2,659
|
2,050
|
|
74R-1W, 38–39
|
701.08
|
4,129
|
4,514
|
7,803
|
2,404
|
8,957
|
9,167
|
3,198
|
2,505
|
|
80R-1W, 38–39
|
759.28
|
6,963
|
9,692
|
9,447
|
2,670
|
5,878
|
8,223
|
2,981
|
3,499
|
|
81R-1W, 46–47
|
769.06
|
5,004
|
4,339
|
8,887
|
2,677
|
8,433
|
7,838
|
3,209
|
2,218
|
|
82R-1W, 46–47
|
778.76
|
4,689
|
4,199
|
7,943
|
2,799
|
7,418
|
20,959
|
2,614
|
2,239
|
|
83R-1W, 32–33
|
788.32
|
4,969
|
5,808
|
6,788
|
2,768
|
5,563
|
5,948
|
3,814
|
3,023
|
|
83R-2W, 9–10
|
789.12
|
3,814
|
3,604
|
5,878
|
2,736
|
6,998
|
9,937
|
2,488
|
2,372
|
|
86R-2W, 55–56
|
819.15
|
3,814
|
3,488
|
5,808
|
2,561
|
7,628
|
6,403
|
2,796
|
2,071
|
|
88R-1W, 51–52
|
837.01
|
4,199
|
6,368
|
6,893
|
2,635
|
6,263
|
8,328
|
3,146
|
2,806
|
|
89R-1W, 51–52
|
846.71
|
4,164
|
3,779
|
6,613
|
2,666
|
9,412
|
10,882
|
2,845
|
2,085
|
|
90R-1W, 51–52
|
856.41
|
4,164
|
3,814
|
6,298
|
2,701
|
6,858
|
8,677
|
3,418
|
2,428
|
|
91R-1W, 51–52
|
866.11
|
4,864
|
4,269
|
8,398
|
2,789
|
8,258
|
10,812
|
4,129
|
2,117
|
|
92R-1W, 51–52
|
875.81
|
4,409
|
6,228
|
7,243
|
2,887
|
6,438
|
6,823
|
3,404
|
2,638
|
|
93R-1W, 51–52
|
885.51
|
4,514
|
4,094
|
7,523
|
2,670
|
8,782
|
13,401
|
3,041
|
2,106
|
|
94R-1W, 50–51
|
895.20
|
4,584
|
4,409
|
7,943
|
2,607
|
6,998
|
12,631
|
2,936
|
2,278
|
|
95R-1W, 60–61
|
905.00
|
5,773
|
4,234
|
9,587
|
2,631
|
11,547
|
13,751
|
3,223
|
2,141
|
|
97R-1W, 70.5–71.5
|
924.51
|
6,368
|
5,703
|
11,617
|
2,729
|
9,412
|
14,171
|
2,957
|
2,176
|
|
98R-4W, 15–16
|
938.15
|
9,307
|
12,281
|
11,722
|
2,729
|
6,613
|
10,952
|
4,164
|
2,733
|
|
100R-1W, 33–34
|
953.23
|
4,444
|
3,534
|
7,033
|
2,684
|
10,532
|
14,276
|
3,030
|
2,134
|
|
101R-1W, 50–51
|
963.10
|
3,989
|
3,919
|
6,753
|
2,544
|
9,202
|
9,342
|
2,677
|
2,036
|
|
102R-1W, 50–51
|
972.80
|
4,619
|
0
|
8,328
|
2,414
|
8,013
|
20,224
|
3,674
|
1,917
|
|
103R-1W, 50–51
|
982.50
|
4,479
|
4,024
|
8,048
|
2,446
|
10,987
|
17,460
|
2,813
|
2,278
|
|
105R-1W, 43–44
|
1001.83
|
3,321
|
2,978
|
4,969
|
2,432
|
7,768
|
6,753
|
2,600
|
2,141
|
|
106R-2W, 43–44
|
1012.94
|
4,234
|
4,129
|
6,823
|
2,334
|
11,337
|
9,342
|
2,652
|
1,924
|
NA = not applicable.
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