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基性岩
jīxìngyán
archit.
gabbro
desert.
basite
eng.geol.
base rock
;
subsilicic rock
expl.
basic rocks
(SiO₂ 总量约为45%basic 53%的一类火成岩,如辉长岩、辉绿岩和玄武岩等。特点是 SiO₂ 量虽比超基性岩高但仍不饱和,Fe、Mg 含量减少而 Ca 含量增加,故岩石中含多量的基性斜长石,不含石英)
met.
basic rock
oil
subsiliceous rock
基〔碱〕 性岩
transp.
basic rock
基 性岩:
66 phrases
in 12 subjects
Agriculture
1
Desert science
1
Earth sciences
6
Engineering geology
3
Explosives and Explosive Ordnance Disposal
3
General
1
Geology
3
Hydroelectric power stations
1
Metallurgy
1
Oil / petroleum
7
Soil science
3
Technology
36
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