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球状岩
orbiculite
- 紫苏花岗岩中锆石多为圆粒状和椭球状，并发育磨蚀坑，说明其原岩主要为变沉积岩；
The crystalline shapes of zircon in charnockites are mainly round and ellipsoidal with corrosion pit. - 文章对东天山大黑山地区眼球状花岗质片麻岩的特征及其成因进行探讨。
This paper investigates the characteristics and origin of augen granitic gneiss in the Daheishan area in eastern Tianshan Mountains. - 我国贵州瓮安陡山沱期磷块岩中的磷酸盐化球状化石是近年来受到广泛关注的一类微体化石。
In recent years much attention has been paid to phosphatized spheroidal fossils found in the Sinian Doushantuoan phosphorites in Weng an, Guizhou Province.
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