About banded iron formation results of 3,937
09:25
02:16
02:43
08:06
14:32
05:19
01:26
01:17
10:54
49:54
04:01
11:17
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06:26
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05:54
16:36
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04:31
13:16
06:21
14:26
02:43
03:04
09:45
50:03
09:22
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02:24
09:39
05:00
04:31
02:17
06:08
04:50
04:53
04:47
08:49
07:36
07:58
02:58