Sedimentological consequences of arc-arc collision: An example from Mio-Pliocene Miura Group, Japan

Hasse Formation (A) Sandstone with large subrounded boulders with dark coloured (scoriaceous) and light coloured (pumiceous) clasts (B) A sandy matrix-supported conglomerate with boulder showing bedded conglomerate and (C) Reverse graded Coarse-grained sandstone (pen length 11 cm).220