Mugagangri Groups is a suite of flysch-flyschoid elastic deposits, and is Early-Middle Jurassic abyssal sedimentary, which is widespread in the western side of the Bangong Co-Nujiang junction zone.

• 摘要沿班公湖-怒江结合带西段出露的侏罗纪木嘎岗日群是一套复理石碎屑沉积组合，代表了班公湖-怒江中特提斯洋盆早-中侏罗世深海-半深海沉积。