The geological periods, from latest to oldest, are:
- Tertiary (C) is the most recent period.
- Jurassic (D) precedes the Tertiary and follows the Triassic.
- Triassic (A) comes after the Jurassic.
- Carboniferous (B) is the earliest period listed.
\boxed{\text{Correct Order: (D), (B), (C), (A)}}