Greenschist

Metamorphic rock formed in temperatures of 300–450 °C and pressures of 2–10 hPa, with an abundance of green minerals (e.g. chlorite, serpentine, epidote) and platy minerals (muscovite, serpentine)
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Study shows South Africa, India and Australia shared similar volcanic activity 3.5 billion years ago
Cratons are pieces of ancient continents that formed several billions of years ago. Their study provides a window as to how processes within and on the surface of Earth operated in the past. Cratons preserve relics of our young Earth as they host a variety of rock assemblages such as greenstones and granites. Greenstones are rock assemblages that are primarily composed of sub-marine volcanic rocks with minor…
Science & Technology
phys.org
CORRECTION FROM SOURCE: Summer Drill Program Supports Potential for High-Grade Silver at Carlin-Roop
Mayo Lake Minerals Inc. (Mayo or Company) (CSE:MLKM) is pleased to announce the results of the Company's 2022 summer diamond drill program at its Carlin-Roop...
Sports
ca.sports.yahoo.com