Precambrian environment (Introduction)

by David Turell , Monday, October 28, 2013, 14:26 (4046 days ago) @ David Turell

There was lots of oxygen before the Cambrian explosion 2 billlion years ago. Why did it take until 540 million years ago to happen? No one knows.-http://www.sciencedaily.com/releases/2013/10/131018132205.htm

Post reply

1390 views

Complete thread:

RSS Feed of thread

Precambrian environment - David Turell, 2012-09-27, 15:54
- Precambrian environment - David Turell, 2013-05-23, 21:29
  - Precambrian environment - dhw, 2013-05-24, 12:52
    - Precambrian environment - David Turell, 2013-05-24, 15:15
      - Precambrian environment - dhw, 2013-05-25, 11:36
        Precambrian environment - David Turell, 2013-05-28, 02:47
        Precambrian environment - David Turell, 2013-10-28, 14:26
        Precambrian environment - dhw, 2013-10-29, 19:48
        Precambrian environment - David Turell, 2013-10-29, 21:46
        Precambrian environment - dhw, 2013-10-30, 18:58
        Precambrian environment - David Turell, 2013-10-31, 17:32
        Precambrian environment - dhw, 2013-11-01, 12:53
        Precambrian environment - David Turell, 2013-11-01, 14:56
        Precambrian environment - dhw, 2013-11-02, 20:09
        Precambrian environment - David Turell, 2013-11-03, 01:08
        Precambrian environment - David Turell, 2013-11-03, 01:09
        Precambrian environment - David Turell, 2015-08-05, 14:39
        Precambrian environment: rangeomorphs - David Turell, 2015-08-05, 22:15

AgnosticWeb.com

Precambrian environment (Introduction)