It was active for approximately 50 million years, beginning roughly around 375 million years ago, with deformational, plutonic, and metamorphic events extending into the Early Mississippian.
Estivo activa aproximadamente durante 50 millóns de anos, empezando hai uns 375 millóns de anos, con eventos deformacionais, plutónicos e metamórficos que se estenderon ao Mississippiano temperán.