Researchers have discovered microdiamonds in the Nishisonogi metamorphic rock formation in Nagasaki Prefecture, Japan. Microdiamonds in metamorphic rocks are important minerals because they form in ...

If you’ve ever studied geography, looked at fossils in a museum, or even looked up at a craggy cliffside or a steep mountain, you’ll know that rocks usually take millions of years to form. However, ...

The easternmost portion of the granite of the Mesabi Range, Minnesota, was regarded by C. K. Leith as intrusive in the Animikian iron formation, and mapped as Embarras granite. Obervations in the ...

Chinese offshore operator CNOOC Ltd has kicked off drilling at what it claimed to be the world largest oilfield in metamorphic rock at deep reservoir levels in Bohai Bay offshore northern China. This ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Cemeteries not only provide a peaceful place to contemplate and ...

a: Geological zone in western Japan. The blue-green part is the Sanbagawa belt that crosses mainland Japan. The Nishisonogi metamorphic rock was thought to belong to the same geological formation as ...