siliceous rock 中文意思是什麼
siliceous rock
解釋
硅質巖石-
The host rock conformably overlies a band of siliceous cherty breccia.
含礦主巖整合地上覆于硅質燧石角礫石帶之上。 -
The massive tripoli is a kind of soft siliceous rock which is composed of cryptocrystalline quartz. the rock could be prepared for active ultra - fine quartz by airflow pulverization and surface modification. the ultra - fine siliceous powder is a kind of high - quality filler in plastics and rubber
塊狀硅土礦是一種由隱晶質石英組成的松軟硅質巖，通過氣流粉碎與表面改性制備出的活性超細石英粉是一種優質的橡塑填料。 -
The host rock conformably overlies a band of siliceous chertybrecia.
含礦主巖整合地上覆于硅質燧石角礫石帶之上。 -
The wall rock of ore - bodies is the siliceous dolostone and alkaline volcanic rock ( trachy andesite ) in the yinachang deposit. based on the shape of ore - bodies and the structure and texture of ores, the deposit was identificed as synsedimentary with wall rocks. there occurred ree minerals, such as bastnaesite, monazite and allanite, associated with apatite and fluorite with ree contents to a certain extent
礦體產出形態和礦石的結構構造等均顯示礦體與賦礦地層同沉積特徵；出現獨立礦物氟碳鈰礦、獨居石及褐簾石，磷灰石、螢石、菱鐵礦等礦物中也含有一定量的稀土，沿礦體走向和垂向稀土元素變化不大。
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