Using coupled isotopes, a new study shows that a class of economically important granites are derived by sediment melting without mantle input.
granite
Posted inNews
Rare Granite Body Discovered on Moon’s Farside
The granite couldn’t have formed the same way that it does on Earth—with liquid water and plate tectonics. So how did it get there?
Posted inResearch Spotlights
Rougher Faults May Generate More Earthquake Aftershocks
Lab experiments on pieces of granite reflect natural aftershock dynamics and highlight the role of rock roughness along a fault.
Posted inNews
Vestiges of a Volcanic Arc Hidden Within Chicxulub Crater
Scientists discovered magmatic remnants of a volcanic arc by dating granitic rocks of the middle crust excavated by, and hidden within, the Chicxulub impact crater.
Posted inNews
How Old Is the Mekong River Valley?
Granite samples collected from the Mekong River Valley reveal that the river’s path was incised roughly 17 million years ago, most likely by increased erosion from monsoon precipitation.
Posted inNews
Cores from Crater Tied to Dinosaur Demise Validate Impact Theory
Drilling into the famous, deeply buried Chicxulub crater off Mexico, researchers found deformed and porous granite that opens new avenues of research.