alkaline deposit 中文意思是什麼
alkaline deposit
解釋
堿性沉澱-
Comparative studies of ree geochemical characteristics of various geologic bodies in the deposit indicate that the various ores and alkaline volcanic rocks contain abundant ree, specially lree the chondrite - normalized patterns of both ores and alkaline volcanic rocks show a strong lree enrichment and positive eu anomaly, in contrasting with the dolostones which show slight lree enrichment and moderately negative eu anomaly
同期成礦流體從早期到晚期（塊狀礦石條帶狀礦石） ，輕重稀土分異變小，稀土總量增加，條帶狀礦石中稀土含量最高;礦石黃銅礦6345值變化在一0 . 3編到2 . 8 % 。范圍，顯示慢源硫特徵;菱鐵礦6 』 3c （ 8 % 。 -
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。 -
The ratio of y / ho in ores approximates to the ratio of black chimney in tag seafloor. the ore - forming fluids show high temperature and redox characteristics. in conjunction with the geological setting of the deposit, the primary ore - forming fluids might certain higher ree and higher volatile elements derived from the mantle degassing or the alkaline volcanic magmas
同時結合礦床形成的構造一地質環境及礦體產出的地質形態，認為迅納廠稀七鐵銅礦床可能是在昆陽裂谷初期，在堿性火山巖漿噴發的間歇期，來自地慢富稀土、揮發份的成礦流體山火山噴流一同生沉積方式形成的礦床。
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