Gneiss is a type of metamorphic rock that has been subjected to high temperatures and pressures deep in Earth's crust. The rock was isotopically dated, meaning scientists measured the ratio of ...

Samples from the Cap a l’Est Gneiss Complex are also examined in this study. Metamorphic age peaks at 1060 ± 7.3 Ma ... and show that there are several pulses of metamorphism preserved in these rocks, ...

Geologists point out that the soil in Bengaluru, Mysuru, and surrounding areas is silty and red, and the region is made up of metamorphic granite rock called Peninsular Gneiss. “The soil is not ...