volcanoclastic

volcanoclastic

1. THE CHARACTERISTICS AND GENETIC SIGNIFICANCES OF PROBABILITY ACCUMULATION CURVES OF DEVONIAN MARINE VOLCANOCLASTIC ROCKS IN EAST ZHUNGEER

东准噶尔泥盆系海相火山碎屑岩概率累积曲线特征及其成因意义

2. The Zhaojiaweizi Ag-Pb-Zn deposit occured within the lower Permian volcanoclastic rocks、marble and crystalline limestone rocks.

内蒙赵家围子银铅锌多金属矿床产于二叠系下统火山碎屑岩和大理岩、结晶灰岩中。

3. The study shows that the volcanic reservoir rocks compose mainly of acidic rocks and volcanoclastic rocks, with pore types of secondary pores and fissures, vesicular and microfissure reservoir spaces.

区内火山岩储集层主要为酸性岩类及火山碎屑岩，孔隙类型为次生孔缝，储集空间为气孔、微裂缝。

4. volcanoclastic rock

火山碎屑岩

5. Keywords igneous reservoir;lithofacies;lithology;log response;lava;volcanoclastic rock;Huang-hua depression;

火成岩油藏;岩相;岩性;测井响应;熔岩;火山碎屑岩;黄骅凹陷;

6. Basic, acidic extrusive and volcanoclastic rocks are known as the main rock types.

石炭纪末期本区的岩浆活动开始,早二叠世晚期和晚二叠世早期是两个主活动期。

7. The study shows that Cretaceous volcanics mainly consist of medium acidic volcanic lava and volcanoclastic rocks, with locally developed basic lava;

结果认为，白垩纪火山岩以中酸性火山熔岩和火山碎屑岩为主，局部发育基性熔岩；