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Meaning of 碱性岩

Lookup via: Pinyin | Radicals
jiǎn xìng yán (Trad.: 鹼性巖)
basic rock; mafic rock (with less silicon and more magnesium, iron etc)
Example Sentences
1
Volcanic rock series include mainly the shoshonite series and subordinately the high-K calc-alkalic series.
2
Epithermal gold deposits have genetic relationship with alkaline rocks and porphyrys, and always are associated with porphyry cooper-gold de-posits.
3
西
Geological setting and main features of alkali series in Panzhihua-Xichang region are outlined.
4
广
The Shiling sodalite syenite, Guangdong province, is only early Cretaceous SiO2-undersaturated alkali syenite known in Nanling area, southeastern China.
5
广
The Shiling sodalite syenite, Guangdong province, is only early Cretaceous SiO2-undersaturated alkali syenite known in Nanling area, southeastern China.