Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
Ocean Drilling Program
(section)
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
==== Geomagnetism ==== [[Earth's magnetic field]] is generated by convection in the fluid outer core. In the past, this magnetic field has experienced reversals, in which the [[North Pole|North]] and [[South Pole|South Poles]] flip. Evidence of these reversals is contained in sediments, and samples from the ODP led to more precise [[Geologic time scale|geologic time scales]].<ref name=":0" /><ref name=":1" />
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)