Previous   |    Close   |    Next

Table T16. Core disturbance intervals, Site U1425.

Core, section,
interval (cm)
Comments on disturbance		 Drilling disturbance
intensity
346-U1425B-
1H-1, 0–66 Soupy Slight to moderate
1H-2, 17–50 Slurry Moderate to high
1H-2, 140–150 Tilted  
2H-1, 0–105   Slight to moderate
2H-CC, 0–14   Slight
3H-1, 0–19 Void and tilted High
3H-5, 95–96 Tilted  
3H-CC, 0–29   Slight
4H-1, 0–7   Slight
4H-5, 78–87 Deformed  
4H-6, 113–108 Microfault  
4H-7, 8–35 Soupy ash  
5H-2, 112–115 Void Destroyed
5H-3, 0–10 Deformed  
5H-5, 0–20 Deformed  
5H-5, 50–60 Deformed  
6H-1, 0–150 Disturbed, tilted, microfault Moderate
6H-2, 30–35 Deformed  
6H-2, 105–110 Microfault  
6H-2, 135–140 Microfault  
6H-6, 20–45 Ash and deformed  
7H-1, 27–33 Microfault  
7H-2, 25–32 Ash and deformed  
7H-4, 135–140 Microfault  
7H-5, 25–53 Microfault  
7H-6, 80–85 Microfault  
8H-1, 0–10 Deformed  
8H-1, 25–35 Microfault Moderate to high
8H-1, 80–150 Tilted  
8H-2, 0–7 Microfault  
8H-2, 40–50 Tilted  
8H-2, 69–72 Microfault?  
8H-2, 60–150 Mass transfer deposit  
8H-3, 0–150 Mass transfer deposit  
8H-4, 0–150 Mass transfer deposit  
8H-5, 0–150 Mass transfer deposit  
8H-6, 0–150 Mass transfer deposit  
8H-7, 0–150 Mass transfer deposit  
9H-1, 100–107 Slightly disturbed by IRD, took off when measuring samples  
9H-2, 0–110 Mass transfer deposit  
9H-3, 50–60 Nodule conclusion?  
9H-6, 130–150 Tilted + microfault  
9H-6, 145–150   Moderate
10H-1, 0–10 Disturbed  
11H-CC, 0–11   Slight
12H-1, 38–58   Moderate
13X-1, 10–49   Moderate
13X-1, 95–105 Disturbed  
13X-1, 138–142 Void Destroyed
13X-CC, 0–21   Slight to moderate
14H-1, 0–27 Fall-in Moderate
16X-1, 0–107   Slight
16X-CC, 0–29   Slight
17H-1, 0–40 Disturbed  
18H-1, 0–9   Slight to moderate
18H-3, 85–94   Moderate
19H-1, 0–20 Fall-in, core top disturbance High
19H Flow-in High
20H-1, 0–22   Slight to moderate
21H-1, 0–14 Fall-in Slight
22H-1, 0–22 Nodule conclusion? Moderate
23H-1, 0–2   Slight
23H-CC, 0–26   Slight
24H-5, 96–150 Flow-in High
24H-6, 0–150 Flow-in High
24H-7, 0–73 Flow-in High
24H-CC, 0–21 Flow-in High
25H-2, 80–95 Microfault  
26H-3, 0–50 Suck in High
26H-4, 0–150 Suck in High
26H-5, 0–150 Suck in High
26H-6, 0–150 Suck in High
26H-7, 0–75 Suck in High
26H-CC, 0–25 Suck in High
27H-6, 0–20 Disturbance?  
28H-5, 0–150 Mass transfer deposit?  
28H-6, 0–46 Suck in Moderate
28H-6, 46–103 Soupy Moderate to high
30H-1, 0–150   Slight
32X Biscuit Moderate to high
33H-1, 0–17 Soupy High
33H-3, 46–80 Microfault  
34H-1, 0–19   Moderate to high
35H-1, 0–20 Disturbed  
36H-1, 0–56 Biscuit High
39H-2, 100–150 Suck in High
39H-3, 0–150 Flow-in  
39H-4, 0–150 Flow-in  
40X Biscuit High
40X-1, 0–150 Biscuit High
40X-2, 0–9 Mixed and tilted part  
40X-2, 18–21 Mixed and tilted part  
40X-2, 55–80 Mixed and tilted part  
40X-2, 90–98 Mixed and tilted part  
40X-2, 103–113 Mixed and tilted part  
40X-2, 116–127 Mixed and tilted part  
40X-2, 131–141 Mixed and tilted part  
40X-3, 10–33 Mixed and tilted part  
40X-3, 45–55 Mixed and tilted part  
40X-3, 62–118 Mixed and tilted part  
40X-4, 0–20 Mixed and tilted part  
41H Flow-in Moderate to high
42H-3, 81–150 Mass transfer deposit?  
42H-4, 0–64 Microfault and mass transfer deposit?  
43H-1, 0–3   Slight
43H-1, 86–150 Flow-in Slight
43H-2, 0–150 Flow-in Slight
43H-3, 0–121 Flow-in Slight
43H-4, 0–57 Flow-in Slight
43H-CC, 0–16 Flow-in Slight
44H-1, 0–18   Slight to moderate
44H-4, 1–15 Tilted  
45H-1, 0–13   Slight
45H-3, 68–111 Tilted  
45H-4, 0–70 Tilted  
45H-CC, 22–27   Moderate to high
46H-1, 0–8 Suck in Slight
46H-CC, 0–14   Slight
47H-1, 0–19   Slight
47H-CC, 0–13   Slight
48H-1, 0–12   Slight
48H-2, 0–150 Tilted  
48H-4, 0–51 Tilted  
48H-CC, 0–3   Slight
49H-1, 0–4   Slight
49H-2, 0–150 Slightly deformed  
49H-3, 16–30 Slightly deformed  
49H-CC, 0–25   Slight
50H-1, 0–9   Slight
50H-CC, 0–3   Slight
51H-1, 0–7   Slight
51H-2, 41–150 Tilted  
51H-3, 0–150 Tilted  
52H-1, 0–9   Slight
52H-1, 75–86 Microfault  
52H-1, 104–113 Microfault  
52H-CC, 0–28   Slight
53H-1, 0–4   Slight
53H-1, 12–33 Tilted  
53H-2, 64–151 Flow-in  
53H-3, 0–150 Flow-in  
53H-4 Flow-in  
54H-1, 0–20 Void Moderate
54H-2, 0–150   Slight to moderate
54H-3, 0–102 Void Destroyed
54H-4, 0–65 Flow-in  
54H-CC, 4–24 Biscuit Moderate to high
54H-CC, 37–45   Inter-biscuit mud
55X-1, 0–150   Inter-biscuit mud
55X-2, 0–13   Inter-biscuit mud
55X-2, 27–39   Inter-biscuit mud
55X-2, 48–99   Inter-biscuit mud
55X-2, 110–150   Inter-biscuit mud
55X-3, 0–102   Inter-biscuit mud
55X-3, 107–150   Inter-biscuit mud
55X-4, 0–38   Inter-biscuit mud
55X-4, 42–93   Inter-biscuit mud
55X-5, 0–151   Inter-biscuit mud
55X-6, 0–116   Inter-biscuit mud
55X-7, 0–24   Inter-biscuit mud
55X-7, 36–54   Inter-biscuit mud
56X-1, 0–150 Biscuit High
56X-2, 0–150 Biscuit High
56X-3, 0–150 Biscuit High
56X-4, 0–150 Biscuit Moderate to high
56X-4, 0–14   Inter-biscuit mud
56X-4, 28–58   Inter-biscuit mud
56X-4, 77–99   Inter-biscuit mud
56X-4, 108–151   Inter-biscuit mud
56X-5, 0–78   Inter-biscuit mud
56X-5, 0–102 Biscuit Moderate to high
56X-CC, 0–35 Biscuit Moderate to high
57X-1, 0–67 Biscuit High
57X-CC, 0–45 Biscuit High
58X-CC, 0–36 Biscuit High
59X-1, 0–17   Inter-biscuit mud
59X-1, 32–47   Inter-biscuit mud
59X-1, 121–150   Inter-biscuit mud
59X-2, 0–49   Inter-biscuit mud
59X-2, 60–65   Inter-biscuit mud
59X-2, 84–85   Inter-biscuit mud
59X-2, 92–95   Inter-biscuit mud
59X-2, 105–124   Inter-biscuit mud
59X-3, 25–31   Inter-biscuit mud
59X-3, 107–128   Inter-biscuit mud
59X-4, 15–16   Inter-biscuit mud
59X-5, 50–61   Inter-biscuit mud
60H   High
61X-1, 0–21 Disturbed  
61X-1, 129–142 Disturbed  
346-U1425D-
1H-1, 0–11   Slight
1H-2, 0–150 Crack Moderate
1H-CC, 0–13   Slight
2H-3, 113–114 Void Destroyed
2H-CC, 0–13   Slight
3H-1, 0–70 Fall-in Moderate to high
3H-2, 77–78 Void Destroyed
3H-7, 0–57 Bowed Destroyed
4H-1, 0–5   Slight to moderate
4H-3, 19–20 Void Destroyed
4H-4, 82–83.5 Void Destroyed
4H-7, 18–35 Crack Moderate to high
5H-1, 0–5   Slight
5H-2, 67–68 Void Destroyed
5H-CC, 7–16   Slight
6H-1, 30–49 Soupy Moderate
6H-2, 139–141 Void Destroyed
6H-CC, 7–17   Slight
7H-1, 77–85 Void High
7H-2, 55–60 Void High
7H-3, 97–102 Soupy Moderate to high
8H-1, 0–105   High
8H-2, 105–106 Void High
8H-2, 137–138 Void High
8H-3, 18–20 Void High
8H-3, 30–33 Void High
8H-3, 44–47 Void High
8H-3, 70–71 Void High
8H-3, 95–96 Void High
8H-4, 71–72 Void High
8H-4, 106–107 Void High
8H-4, 121–125 Void High
8H-5, 93–94 Void High
8H-5, 99–101 Void High
8H-5, 108–109 Void High
9H-2, 107–113 Void High
9H-3, 41–46 Void High
10H-1, 0–77 Soupy High
11H-1, 0–21 Soupy High
12H-1, 0–29 Soupy High
13X Crack High
14H-1, 28–32 Crack Moderate
15H Flow-in Moderate
16H-1, 17–20 Void High
16H-1, 125–127 Void High
18H-1, 0–10 Soupy Slight
20H-1, 0–12   Slight
21H-1, 0–69 Soupy High
21H-3, 18–30 Suck in Moderate
23H-1, 0–29 Mousse-like Slight to moderate
24H-7, 16–42 Bowed Moderate to high
25H-1, 0–23   Moderate
25H-1, 23–26 Void Destroyed
26X Biscuit Slight
26X-CC, 0–35   Slight to moderate
27H Stretched High
28H-1, 0–6   Slight
28H-CC, 0–17   Slight
29H-1, 0–10   Slight
29H-CC, 0–4   Slight
30H Stretched High
31H-1, 0–33   Slight to moderate
31H-2, 70–73 Void Destroyed
33H-2, 122–133 Flow-in Slight
33H-3, 25–50   Moderate
33H-4, 0–114   High
38H-1, 0–10   Slight
41H   Slight
41H-1 Tilted  
41H-2, 0–130 Tilted  
42H-1, 0–10 Disturbed Moderate
43H-1, 0–10   Moderate
44H-1, 0–13   Moderate
45H-1, 0–18   Moderate
45H-1, 23–25 Void Moderate
47H-1, 0–13   Moderate to high
48H-1, 0–150   Slight
49H-1, 0–5   Moderate
49H-3, 0–3   Slight
50H-1, 0–10   Slight
51H-1, 0–3   Slight
51H-3, 84–111 Flow-in Slight
52H-1, 0–10   Slight
52H-2, 70–140 Suck in High
52H-CC, 0–32 Suck in Moderate to high
53H-CC, 0–25   Moderate to high
54H-1, 26–35   Moderate to high
54H-1, 52–150 Suck in High
54H-1, 98–111 Void  
54H-2, 0–93 Slurry High
54H-CC, 0–18 Slurry High
55H-1, 0–12   Moderate
55H-1, 66–150 Suck in Moderate to high
55H-2, 0–150 Suck in Moderate to high
55H-3, 0–83 Suck in Moderate to high
55H-CC, 0–34 Suck in Moderate to high
56H-1, 0–128 Slurry High
57H-1, 117–150   Moderate
57H-2, 0–150 Suck in Moderate to high
57H-3, 0–116 Suck in Moderate to high
57H-CC, 0–15 Suck in Moderate to high
58H-1, 0–6 Soupy Slight
58H-2, 47–150 Suck in Moderate to high
58H-3, 0–150 Suck in Moderate to high
58H-4, 0–63 Suck in Moderate to high
58H-4, 63–75   High
58H-CC, 0–15 Slurry High
59H-3, 50–130 Suck in Moderate to high
59H-CC, 0–45 Suck in Moderate to high
60H-1, 39–50 Crack Moderate
60H-2, 50–150 Suck in Moderate to high
60H-3, 0–100 Suck in Moderate to high
60H-4, 0–61 Suck in Moderate to high
60H-CC, 0–27 Suck in Moderate to high
61H-1, 0–15 Fall-in Moderate to high
61H-1, 97–132 Suck in Moderate to high
61H-CC, 0–30 Suck in Moderate to high
62H-1, 0–14 Fall-in Moderate to high
62H-1, 130–150   Moderate
62H-2, 0–107 Suck in Moderate to high
62H-CC, 0–29 Suck in Moderate to high
63H-1, 0–9 Fall-in Moderate to high
63H-1, 41–61   High
63H-1, 61–150 Suck in Moderate to high
63H-2, 0–150 Suck in Moderate to high
63H-3, 0–63 Suck in Moderate to high
63H-3, 63–106 Slurry High
64H-1, 0–24 Fall-in High
64H-2, 52–130 Suck in Moderate to high
64H-3, 0–51 Suck in Moderate to high
64H-CC, 0–32 Suck in Moderate to high
65H-1, 0–105 Slump material? Slight
65H-2, 0–78 Slump material? Moderate to high
65H-3, 0–70 Suck in High
65H-3, 70–129 Slurry High
66H-1, 24–150 Slurry High
66H-2, 0–147 Slurry High
66H-3, 0–55 Slurry High
67H-1, 0–19 Slurry High
67H-1, 52–76 Slurry High
69H-CC, 0–16 Slurry High
70H-CC, 0–11 Slurry High
71X-CC, 0–34 Slurry High
72H-1, 0–25 Slurry High

IRD = ice-rafted debris.

Previous   |    Close   |    Next   |    Top of page