From Gizmodo
Scientists Thought This Was an Ordinary Mars Meteorite. It’s Actually One of the Oldest Ever Found

Called Teghaza 001, the rock is a piece of Mars that formed over 4.1 billion years ago.
TechBlastTechnology. Unpacked.UK & world technologyFrom Gizmodo

Called Teghaza 001, the rock is a piece of Mars that formed over 4.1 billion years ago.