And his grave face as he worked in silence was as still as the stones of the post-tertiary period.
"Arcadian Adventures with the Idle Rich" by Stephen Leacock
Geologically it is of secondary formation, while Chaldaea proper is tertiary or post-tertiary.
"The Seven Great Monarchies Of The Ancient Eastern World, Vol 1. (of 7): Chaldaea" by George Rawlinson
The POST-TERTIARY or QUATERNARY division comprises the concluding chapters of geological history.
"Geology" by James Geikie
The age immediately preceding the glacial, and consequently the post-tertiary, is known as the pliocene epoch, the last of the tertiary.
"A Manual of the Antiquity of Man" by J. P. MacLean
The post-Tertiary formations are represented by glacial deposits in the highlands and loess on their borders.
"Encyclopaedia Britannica, 11th Edition, Volume 14, Slice 7" by Various