intermediate igneous rocks 中性火成岩
intermediate-basic rocks 中基性火山岩
intermediate volcanic rocks 中性火山岩
acid-intermediate igneous rocks 中酸性火成岩
mafic-intermediate volcanic rocks 中基性火山岩
intermediate to basic rocks 中基性岩体
The intermediate rocks contain variable contents of trace elements, but generally have a similar variation trend such as systematic enrichment of LILE and depletion of HFSE.
微量元素含量变化大,但总体变化趋势一致,即表现出大离子亲石元素(LILE)富集而高场强元素(HFSE)亏损。
These two species occur in the intermediate zone between rocks and sandy floors, at depths ranging from 3-20 m (9-60 feet).
这两个品种生活在暗礁和沙砾层的中间地带,大约水深在3—20米(9—60英尺)。
The primary rocks are a series of intermediate-acid volcanics and carbonate formed in environment of rift valley.
原岩为一套在裂谷环境下形成的中酸性火山岩及碳酸盐岩。矿体的容矿岩石是镁质大理岩。
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