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The South Hentey and Adaatsag zones are composed of metamorphosed volcanoclastic rocks and ophiolite melanges of 325 Ma,which marks the suture of the Mongol-Okhotsk palaeo-ocean.Many parts of this region are intruded by a variey of collisional granitoids,Silurian in age in the north to Upper Permian to Lower Triassic in the south.
The South Hentey and Adaatsag zones are composed of metamorphosed volcanoclastic rocks and ophiolite melanges of 325 Ma,which marks the suture of the Mongol-Okhotsk palaeo-ocean.Many parts of this region are intruded by a variey of collisional granitoids,Silurian in age in the north to Upper Permian to Lower Triassic in the south.
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