Category talk:Geomagnetic reversal

Geology Category‑class

	Geology portal Category talk:Geomagnetic reversal is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information.GeologyWikipedia:WikiProject GeologyTemplate:WikiProject GeologyGeology articles
Category	This category does not require a rating on Wikipedia's content assessment scale.

Physics Category‑class

	Physics portal This category is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics articles
Category	This category does not require a rating on Wikipedia's content assessment scale.