Volcanostratigraphy and Evolution Characterization Using Morphological and Geochemical Analysis, and Field Observation for Quaternary Balerang and Rajabasa Volcanoes, Lampung-Indonesia

Reza Firmansyah Hasibuan1, Tsukasa Ohba1, Mirzam Abdurrachman2 and Benyamin Sapiie3, (1)Akita University, Akita, Japan, (2)Bandung Institute of Technology (ITB), Geological Engineering, Bandung, Indonesia, (3)Institut Teknologi Bandung, Bandung, Indonesia