Foraminiferal Biostratigraphy And Paleoenvironment Of Kali Bentur Ngawenan Area, Blora Central Java

Foraminifera analysis from 18 surface samples of sandstone and siltsione unit, Kali Bentur section, Indicate the age of rock is Late Miocene-Early Pliocene (Bolll, 1985) or 6,2 My- 2,4 My Foraminifera assemblages consist of 39 species (218.128 individu) planktonic and 53 species (16.384 Individu) benthortic. The species of foraminifers planktonics which are abundance : Globigennoldes [...]