十字石—铝直闪石之间的堇青石冠状体；
十字石的出现表明变质作用已达到低角闪岩相。
The appearance of staurolite indicates that the metamorphism has reached the low amphibolite grade.
砂岩中含少量的重矿物，如锆石、石榴石、电气石、十字石等。
The sandstone contains lesser amount of heavy minerals such as zircon, garnet, tourmaline, and staurolite.
石墨、绿泥石、滑石、云母、石榴石及十字石都是典型的变质矿物。
Graphite, chlorite, talc, mica, garnet and staurolite are distinctive metamorphic minerals.
该套片岩主要由富铝矿物十字石、铁铝榴石和大量黑云母组成，因而其原岩以粘土岩为主。
That suit of schist contans a large number of abundant aluminium mineral: staurolite, almandine and biotite, so the primitive is mostly clayrock.
应用反射率十字图解研究了中国部分地区下古生界地层中动物有机碎屑笔石的光学各向异性。
The optical anisotropy of zooclast graptolite in some Paleozoic strata of China has been studied using reflectance cross-plot analysis.
本机采用油浸导轨，十字拖结构稳定，垂直与水平两个方向自动控制，适用于大理石大板、路沿石。
This machine is adopted liquid-immersed guideway. The cross structure is stable and is controlled automatically in upright and level direction.
本机采用油浸导轨，十字拖结构稳定，垂直与水平两个方向自动控制，适用于大理石大板、路沿石。
This machine is adopted liquid-immersed guideway. The cross structure is stable and is controlled automatically in upright and level direction.
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