the.com/rock
the ancient hard drive of Earth, recording four billion years one stubborn mineral at a time
oldest knownAustralian zircon crystals date back 4.4 billion years
slow rainsome space dust settles into seafloor rock as fine sediment
living rockstromatolites are stone built by ancient bacteria
weighta cubic meter of granite weighs over two tons
recyclersthe rock cycle melts and reforms stone endlessly