Mount Tai is a tilted fault-block mountain with height increasing from the north to the south. It is the oldest example of a paleo-metamorphic formation from the Cambrian Period in eastern China. Known as the Taishan Complex, this formation contains magnetized, metamorphic, and sedimentary rock as well as intrusions of other origins during the Archean Era.
The uplift of the region started in the Proterozoic Era; by the end of the Proterozoic, it had become part of the continent. Besides the Jade Emperor Peak, other distinctive rock formations are the Heaven Candle Peak, the Fan Cliff, and the Rear Rock Basin. Mount Tai lies in the zone of oriental deciduous forest; about 80% of its area is covered with vegetation. The flora is known to comprise almost 1,000 species. Some of the trees in the area are very old and have cultural significance, such as the Han Dynasty Cypresses, which were planted by the Emperor Wu Di, the Tang Chinese Scholartree (about 1,300 years old), the Welcoming-Guest Pine (500 years old) and the Fifth-Rank Pine, which was named originally by the Emperor Qin Shi Huang, but was replanted about 250 years ago.(Source)