Pada umumnya berlapis dan pejal, mengandung sisipan tufa hijau, tufa gampingan, batugamping dan batupasir tufaan, setempat sisipan breksi dan lava sebagian terkersikkan dan termineralisasi.
In general the layered and pejal, contain inserts of green Tuff, Tuff, limestone and its current state of sandstones tufaan local inserts, breksi and terkersikkan and partially mineralized bones lava.
In general, layered and massive, containing inserts of green tuff, tuff calcareous, limestone and tuffaceous sandstone, breccia and local inserts terkersikkan and lava partially mineralized.