00Read later0Read MoreSilicafied Stromatolites or Banded Chert?Geology! Before the World.·ScottBhamster·about 1 hour ago#ANLIC1SK#geology#redditgeology#yellowstone#found#river+5 more🧰Tag tools✨Add tagReading 0:0015s thresholdBookmarkFound in the Yellowstone River in NE Montana (not Yellowstone park) submitted by /u/ScottBhamster [link] [comments] Expand ContentAnonymous readers can preview up to 1024 characters here. Log in to unlock the full article once ingest succeeds.