permian period造句
1. WHERE HAINAN ISLAND IS IN CARBONIFEROUS - PERMIAN PERIOD?
2. The basin rose and became continent since Permian Period.
3. Scutosaurus was a genus of armour - covered Permian period pareiasaur.
4. The Permian period, which ended in the largest mass extinction the Earth has ever known, began about 299 million years ago.
5. The Permian Period is an important period for geological evolution of the Tarim basin.
6. After the formation of coal-series of Carboniferous and Permian Period. the basin was undergone by the strong Yenshan movement and the coal-formed gas had been seriously destroyed.
7. In the Permian period, the space relationship and distribution of them had been similar to that of the present one.
8. Afterward, global large-scale massive volcanic activity in Permian Period generally brought about metamorphism whole middle Cambrian Period volcanic sediment rock in research area.
9. At the end of the Permian period 250m years ago, between 80% and 96% of all living marine species were extinguished, along with 70% of land animals. The cause is unclear.
10. The Permian period saw the creation of the supercontinent Pangaea, where shallow seas in and around the huge landmass offered a home to an abundance of life.
11. About hot water depositional ore deposit, the ore body present layer in shape, large scale ore deposit, and formed in permian period.
12. The creature lived in Antarctica during the mass extinction at the end of the Permian period, which wiped out 95% of all life in the oceans and 70% of all land life.
14. The hydrothermal fluid and the spaces of ore-bodies in the deposit are provided by the granite magmas and the Permian period.
15. It has been shown that the metallogenic parent rocks for primary bauxite are Maokou Formation limestone of lower Permian period, and partially added by old weathered materials.
16. The Tianshan rift-related volcanic rocks make up a large igneous province erupted during the Carboniferous. Early Permian period in northwestern China.
17. The freshwater shark, some 20 inches (50 centimeter) long, dates back to the late Permian period, when the Saar-Nahe Basin in southwest Germany was peppered with short-lived lakes.
18. Each sampling site spanned the mass extinction 252 million years ago at the end of the Permian period.
19. The die-off, which occurred worldwide about 250 million years ago at the end of the Permian period, was even more extensive than the one that wiped out the dinosaurs.
20. Besides, we also find that there are magma thermal actions during the Carboniferous period and early Permian period.