From oceanic subduction to continental collision: An overview of HP-UHP metamorphic rocks in the North Qaidam UHP belt, NW China

► We review the main progress for the study of North Qaidam UHPM belt over the past 15 years. ► We classify two types protolith of eclogite from the North Qaidam UHPM belt. ► A model of from oceanic subduction to continental collision is proposed.