Table 1 Classification of geological units in the study area
Code | Age | Lithology |
|---|---|---|
N2sn | Middle to Late Miocene | Sandstone, mudstone, conglomerate and sandstone (with tuff) |
N3sn | Late Miocene to Pliocene | Diatomaceous siltstone with sandstone and conglomerate |
Hsr | Late Pleistocene to Holocene | Clay, silt, sand, gravel and peat |
Q2th | Middle Pleistocene | Mud, sand, gravel and peat |
N1 sr | Early Miocene to Middle Miocene | Mudstone, sandstone and conglomerate (with tuff) |
Q2sr | Middle Pleistocene | Mud, sand, gravel and peat |
Q3tl | Late Pleistocene | Mud, sand, gravel, peat and volcanic materials |