Chert
0:43
Added: 3 years ago
From: newwork111
Views: 277
Sort by time | Sort by thread (beta)

Link to this comment:

Share to:
see all

All Comments (1)

Sign In or Sign Up now to post a comment!

  • In the Chert around the San Francisco Bay Area, can you find any fossils from the Jurassic, or Cretaceous periods? 

    12UltraMk 1 year ago

View all Comments »
Loading...
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more