pyroclastic

1. The holocrystalline porphyritic olivine basalts and pyroclastic rocks are the components of Pleistocene to recent volcanic activities.: 完整的斑状斑状橄榄石玄武岩和火山碎屑岩是最近火山活动的更新世的组成部分。

2. Killing mechanism: ash, pyroclastic flows.: 杀伤机制：火山灰、火山碎屑流。

3. Rock types of volcanic reservoirs include mainly lava and pyroclastic rock.: 火山岩储层岩石类型主要包括熔岩类、火山碎屑岩类。

4. Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes.: 火山碎屑流是由火山喷发而引起的最可怕自然灾害。

5. The pyroclastic rocks which transit to lava mainly have breccia lava and tuff lava etc.: 向熔岩过渡的火山碎屑岩主要为角砾熔岩和凝灰熔岩等。

6. The lithology is mainly composed of lava basalt, pyroclastic rock and volcanic sedimentary rock.: 其岩性主要为熔岩类玄武岩，火山碎屑岩和火山沉积岩；

7. Pyroclastic rocks are a kind of transitional and complex rocks between lavas and sedimentary rocks.: 火山碎屑岩是介于溶岩和沈积岩之间的过渡类型岩石，岩类复杂。

8. Nan-Jin-Shan Gold Deposit occurs in marine pyroclastic rock in Bei-shan late-paleozoic island arc belt.: 南金山金矿床产于北山岛弧构造带内、海相火山碎屑岩之中。

9. The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt, andesite, rhyolite and quartz.: 火成岩的碎块成分主要为石英岩、片岩、片麻岩、玄武岩、安山岩和流纹岩。

10. Merapi seems unlikely to explode on anything like this scale, but it has brought the risk of pyroclastic flows.: 默拉皮火山似乎不可能爆发到这种程度，但是它能够带来危险性极强的火山灰流。

11. The author deals with mainly the sequence and distribution of the pyroclastic deposits of the 800 a. B. P. eruptions.: 主要论述了这次大爆发的火山喷发碎屑堆积物的层序和分布。

12. The upper silurian system of the Shaerbuer mountain region of west Jungger is maga-formation of pyroclastic turbidite.: 萨勒布尔提山上志留统克克雄库都克组为一套巨厚的火山碎屑浊积岩。

13. On Heilongjiang basin volcanic rock mainly for basic, acidic lava, pyroclastic rocks, may pide 5 volcanic rock belts.: 上黑龙江盆地火山岩主要为基性、中酸性的熔岩、火山碎屑岩，可划分5个火山岩带。

14. More recently, pyroclastic flows from Mount Merapi in Indonesia caused most of the casualties during the volcano's 2010 eruption.: 2010年，印度尼西亚的默拉皮(MountMerapi)火山爆发，火山碎屑流造成了大量的人员伤亡。

15. A set of intermediate basic volcanics, pyroclastic rock and top part of clastic rock is found in north of Balikun coal mine.: 巴里坤煤矿北原划下泥盆统塔黑尔巴斯套组下部，发现一套中基性火山岩及火山碎屑岩建造。

16. The author deeply studied cooling unit of pyroclastic flow in Luanping area and pided the volcanic rock into 12 cooling units.: 笔者对滦平地区火山碎屑流冷却单元进行了深入的研究，划分出12个冷却单元。

17. The Tongbomiao Formation consists of pyroclastic, volcanic-sedimentary and terrigenous clastic rocks in Beier sag, Hailaer Basin.: 海拉尔盆地贝尔凹陷铜钵庙组发育一套火山碎屑岩类、火山-沉积岩类和少量的陆源碎屑岩岩石组合。

18. Lava flows, pyroclastic flows, lahars and volcanic tsunamis are the major hazards that threaten the life and property of the people.: 其中对人类生命财产构成严重威胁的火山灾害有熔岩流、火山碎屑流、火山泥流和火山海啸。

19. The volcanic rock series in the Rucheng basin in southeastern Hunan is composed of the basalt, diabase and basaltic pyroclastic rock.: 湘东南汝城盆地火山岩系由辉绿岩、玄武岩和玄武质火山碎屑岩组成，属于低钾拉斑玄武岩系。

20. As the land above the magma chamber collapses, immense gray clouds called pyroclastic flows burst out horizontally all around the caldera.: 当岩浆库上方的陆地崩陷，称为火山碎屑流的巨大灰色云雾，会突然由火山臼的周围向外水平散开。

21. Many lives have been lost to the volcano's frequent eruptions, which are accompanied by high-speed pyroclastic flows and mudflows called lahars.: 然而频繁的火山爆发，伴随着高速流动的火山碎屑流以及火山泥流，已经夺走了许多人的生命。

22. The gold mineralization is controlled by lower carboniferous volcanic and pyroclastic sedimentary rocks, regional faults and secondary structure.: 论述下石炭统火山岩及火山碎屑沉积岩、区域性大断裂及次级构造对成矿的控制作用。

23. The polymictic breccia in the Qianshan lead-zinc ore district of Anxi County is a suit of volcaniclastic rock, sedimentary pyroclastic rock and pyroclastic sedimentary rock.: 安溪铅山铅锌矿区复成分角砾岩为一套火山碎屑岩-沉火山碎屑岩-火山碎屑沉积岩。

24. There is a layer of tuffite reservoir in Erlian oilfield. The log responses of this tuffite reservoir are different from those of normal sedimentary rock and pyroclastic rock.: 二连油田某地区有一套沉凝灰岩储层，该储层具有与正常的沉积岩、火山碎屑岩不同的测井响应特征，即高中子、低密度、声波时差无反应。

25. Pyroclastic base-surge deposits of volcanic cluster in the Longgang region of Jilin Province is one of the few neoteric maar deposits which are preserved in good condition in China.: 吉林龙岗火山群火山碎屑基浪堆积是中国少数保存较好的、近代喷发的低平火山区之一。

26. The eruption seems to have started with the volcano spitting out lumps of rock up to 2 metres across, before releasing an enormous pyroclastic flow - a fast-moving gush of hot gas and rock.: 火山似乎在释放出巨大的火山碎屑流(一种热的气体和岩石快速移动的喷流)之前，从开始吐出2米宽度的岩石块而开始爆发。

27. The eruption seems to have started with the volcano spitting out lumps of rock up to 2 metres across, before releasing an enormous pyroclastic flow - a fast-moving gush of hot gas and rock.: 火山似乎在释放出巨大的火山碎屑流(一种热的气体和岩石快速移动的喷流)之前，从开始吐出2米宽度的岩石块而开始爆发。

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