What we know today as Sabino Canyon was the site of a whole lot of scrunching 25 million years ago. The resulting gneiss appears today as the comely striped rocks ...

North of Cusp, the Bank Prospect has noted copper mineralisation (malachite) in foliated gneiss with a sugary quartz texture and biotite, pyroxene/amphiboles in foliated bands (HRS055).

A Kenyan student at the University of Dundee has won the Gneiss Energy Prize for Renewable Transition. The prize recognises the best MSc Sustainability: Renewables Transition programme. Sharon Jelagat ...

North of Cusp, the Bank Prospect has noted copper mineralisation (malachite) in foliated gneiss with a sugary quartz texture and biotite, pyroxene/amphiboles in foliated bands (HRS055).

Scientists have discovered that the oldest intact rock in the United States is not in Minnesota or Wyoming—but in Michigan’s Upper Peninsula. The 3.62-billion-year-old Watersmeet Gneiss is rewriting ...

Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here's what to know.

Nothing is as we thought – The oldest rock in the U.S. is discovered in Michigan – Watersmeet Gneiss contains zircons dating back 3.82 billion years ...

The underlying rock consists of rough, highly foliated gneisses of the Haramoep Gneiss, and is overlain by a loose scree of hard, white quartzites of the Wortel Formation.