Paleoproterozoic
suomi-englanti sanakirjaPaleoproterozoic englanniksi
The era from 2,500 Ma to 1,600 Ma, marked by a dramatic increase in atmospheric oxygen.
Of a geologic era within the Proterozoic eon from 2,500 to 1,600 million years ago.
The era from 2,500 Ma to 1,600 Ma, marked by a dramatic increase in atmospheric oxygen.
Of a geologic era within the Proterozoic eon from 2,500 to 1,600 million years ago.