(MNOB). The belt is exposed in the eastern margin of the Indo-Myanmar Ranges (IMRs),
which formed by the collision between the India and Myanmar continental plates. Several
contrasting views were put forward concerning the origin of the MNOB. The complex
represents a dismembered ophiolite sequence with serpentinite as the largest litho-unit
formed. Petrography and Raman spectroscopy of the serpentinite suggest that they are …