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- In the Jizhong Depression, the Cenozoic igneous rocks, distributing within the Eogene strata, trend to be younger in age but increase in thickness, and in area from the south toward the north. 新生代火成岩分布于下第三系地层中,为基性的喷发岩或侵入岩,由南向北,时代变新,厚度及分布范围增大。
- DISTRIBUTION AND GAS -BEARING CHARACTERISTICS OF THE CENOZOIC IGNEOUS ROCKS IN THE JIZHONG DEPRESSION 冀中拗陷新生代火成岩分布及含气特征
- Petroleum geology study, oil and gas exploration future and problems faced in Mesozoic and Cenozoic igneous rocks in eastern China 中国东部中、新生代火成岩石油地质研究、油气勘探前景及面临问题
- Cenozoic igneous rocks 新生代火成岩
- Most igneous rocks in Langgu depression are products of Cenozoic magma action, with diabase intrusion and subwater effusive basalt as major forms. 廊固凹陷内火成岩主要是新生代岩浆多期活动的产物。
- Igneous rocks do not contain fossils. 火成岩不含化石。
- Containing little silica, as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- Containing little silica,as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- The most common intrusive in the order of igneous rocks is granite. 在火成岩系列中最常见的侵入体是花岗岩。
- An igneous rock consisting chiefly of pyroxenes. 辉岩主要由辉石组成的一种火成岩
- A dark, fine - grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩；辉绿岩
- A dark,fine - grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩;辉绿岩
- A dark,fine.- grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩;辉绿岩
- So eruption of volcanoes is one way of producing igneous rocks. 那么火山喷发是形成火山岩的一种方式罗。
- A dark, fine-grained igneous rock; diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩；辉绿岩
- Trap rock is a form of plutonic igneous rock. 暗色岩是一种火成岩。
- I wonder if there are further classifications of igneous rocks. 我想知道火成岩还有进一步的类型划分吗?
- Key points: texture, structure and classification of igneous rocks. 重点：岩浆岩的分类、结构和构造.
- The two most common types of igneous rocks are granite and basalt. 两种最普遍的火成岩是花岗岩和玄武岩。
- The mineral composition of a sample of igneous rock. 火成岩样品的矿物构成
