相标志是指反应沉积相的一些标志，它是相分析及岩相古地理研究的基础。可归纳为岩性、古生物、地球化学和地球物理四种相标志类型。 沉积岩特征（包括岩性特征、古生物特征以及地球化学特征）的这些要素是相应各种环境条件的物质记录，通常称为相标志。
相标志
双语例句原声例句
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本文根据对官地亚组岩性、相标志及生物特征分析，认为官地期曾发生二次海侵。
On the basis of an analysis of the lithology, facies indicators and biological features, it is considered that two Marine transgressions took place during this period of time.
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在此基础上，研究相标志，进行14条单剖面的沉积相分析和7条控制全区的沉积相对比大剖面分析。
Sedimentary facies marks are researched on the basis, 14 sections of facies analysis and 7 bars great sections of facies comparing analysis are made for controlling total area.
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然后从沉积微相分析入手，研究了沉积相标志，包括地层岩石的颜色、沉积构造、粒度分布、古生物学等。
Then, beginning with the microfacies, signs of sediment facies, including rock's colour, sediment structure, granularity distribution, fossil and so on, are studied.
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That's not to say he wasn't a brilliant thinker, but here the gift of a good minds and good hands, like the two parts of the MIT logo: two parts rolled into one.
这并不是说他不是一个很好的思考家，但是好的大脑，好的动手能力，就像MIT的标志一样：,两者相结合。
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$firstVoiceSent
- 来自原声例句