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1. Oil and gas production in the Permian is on a seemingly inevitable decline.

2. Before that, however, periods of extension during the Permian and Mesozoic would presumably have rendered this sealing mechanism inoperative.

3. WHERE HAINAN ISLAND IS IN CARBONIFEROUS - PERMIAN PERIOD?

4. The basin rose and became continent since Permian Period.

5. The Permian in the Zhanhua - Chezhen sag is the main section of reservoir of formed gas.

6. The Permian seas came to be dominated by bony fishes with fan-shaped fins and thick, heavy scales.

7. There is Permian lake facies mudstone which has big potence to produce hydrocarbon in the front structural belt of Bogeda mountain in the north of Taibei depression.

8. The Upper Permian System Longtan coal measure in the Changguang coal deposit is a complete sedimentary cycle, consisting of a regressive and a transgressive series.

9. Conclusion From Late Permian to Early Jurassic the basin′s subsidence center was situated in Tiaohu Sag, until Middle Jurassic the basin′s subsidence center moved eastwardly to Malang Sag.

10. Scutosaurus was a genus of armour - covered Permian period pareiasaur.

11. A new Early Permian lithostratigraphic unit—Qieji Formation is established in the Northern Sector of the Ela Mountain and divided into three parts, namely, the upper, middle and lower members.

12. Volcanic eruptive activities occurred from Cambrian to Permian , most intensely in Devonian and Carboniferous.

13. The Lower permian oil-gas reservior distribution is configured by overprinting of the above mentioned diagenetic processes.

14. The Middle Permian Chihsia Formation of South China is featured by nodular chert, which is of implications in the reconstruction of coeval paleogeography and paleoceanography.

15. Upper Carboniferous?lower Permian may be divided into six basic sequences(three order) and 15 system domains , it makes precision of formation classification improved.

16. Sumatra is composed of old, thick continental crust comprising volcanic rocks of Permian, Cretaceous and Cenozoic age.

17. One means suggested for transfer of moisture into the interior of Pangaea has been monsoonal circulation created by the Permian continental configuration.

18. Previously, the only dateable layers were from the moment the Permian ended and from a subsequent volcanic event some 14m years later.

19. About hot water depositional ore deposit, the ore body present layer in shape, large scale ore deposit, and formed in permian period.

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20. There exists boundary claystone near the boundary between both the marine and terrestrial Permian and Triassic in the eastern Yunnan-western Guizhou area.

21. There are some fine-to coarse-grained dolostones and dolomitic limestones in the lower Permian in Sichuan basin and its peripheral regions, which are good reservoir in Sichuan basin.

22. The Late Paleozoic volcanic rocks (from Early Devonian to Early Permian) were widely distributed in the south margin of the Altai Mountains.

23. 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.

24. A bigger mass extinction, at the end of the Permian period 251m years ago, killed 70% of the world's land vertebrates (and 96% of all marine animals) and paved the way for the age of reptiles.

25. The research shows that the Lower Carboniferous source rock is the dominating contributor to the natural gas, and the Permian source rock contribution is subordinate.

26. A detailed research has been worked on the Late Upper Permian conodont fauna of Tieshikou section in Xinfeng area, Jiangxi Province.

27. An active margin appeared border of the Nanpanjiang Sea from Late Permian to Middle Triassic.

28. Synclinal oil and gas pools have been discovered in the Tertiary, Gretaceous, Jurassic, Triassic and Permian rocks in the Songliao, Bohai Bay, Ordos and Sichuan basins in China.

29. Volcanic apparatus at Aiken Daban is located at the eastern part of Awulale Permian volcanic belt.

30. Upper Jurassic red bed, covering directly on coal-measure strata of Permian and Carboniferous System in Tengxiom-Yanzhou coal bearing Basin, was regarded as a aquifuge in exploration stage.