"That's a gneisse butte"

We think it is, but it would be great if someone with a little more knowledge could post a more authoritative response in that thread.

And a direct link to the embedded article at nature: https://www.nature.com/articles/nature12127

I dug this box out of a cache north of the tree line. Tent camp was ten km away. We snowmobiled to the cache and dug it out, solely to take photos of the contents.

Welcome reddit refugees to the Geology community. This community was set up on lemmy.ca but is open to all geology community members worldwide. Please put on your field vest and grab your rock hammer. Post field photos to get the party started.