Ask geologists anything

r/askgeology • u/vetinaris-vizier • 13h ago

Observational Question We can eat limited amounts of food-grade sodium chloride and calcium carbonate. Are there any other rocks we can safely eat?

43 Upvotes

r/askgeology • u/Contrastiseverything • 8h ago

ID request I have two specimens from relative close proximity, could this be sulfides ?The yellowed mineral is on a much softer rock and the last two pictures are a much harder stone and more silver color .

5 Upvotes

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r/askgeology • u/RuslanGRP • 12h ago

What are these strange bowl-shaped formations in the Mojave Desert? Spotted from a plane flying from Los Angeles toward Las Vegas.

9 Upvotes