Batuan terobosan gunungapi ini terdiri dari sienit (Ts), Tonalit (Tt), andesit (Ta) dan dasit (Td) yang banyak dijumpai pada retas-retas memotong batuan tua dan pada dekat intrusi tonalit.
The rocks are composed of volcanic activity report breakthrough sienit (Ts), Tonalit (Tt), (Ta) and andesite dacitic (Td) which is plentiful in the retas-retas and old rock cut on near tonalit intrusion.
These volcanic rocks consist of breakthrough sienit (Ts), tonalite (Tt), andesite (Ta) and dacite (Td) are often found on the hack-hack and the old rock cut near the tonalite intrusion.