Robuta

https://digitalcommons.bucknell.edu/fac_journ/341/ "Decompression during Late Proterozoic Al2SiO5 Triple-Point Metamorphis" by Katherine R. Barnhart,... An outstanding problem in understanding the late Proterozoic tectonic assembly of the southwest is identifying the tectonic setting associated with regional... late proterozoictriple pointdecompressionkatherinebarnhart