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- pneumatolytic metasomatism 气化变质
- The types of deposits basically are differential metasomatism in the later magma, pneumatolytic hydrothermal process, pegmatite process, residual deposits and placer deposits. 矿床类型以岩浆晚期分异交代型、气成热液型、伟晶岩型、风化壳型和砂矿型为主。
- CONTINENTAL MANTLE METASOMATISM:A PRECURSORY EVENT OF PLATFORM ACTIVATION? 大陆地幔交代作用:地台活化的先驱事件?
- Further imbrication, folding and metasomatism of the ultrabasic rocks occurred at this time. 超基性岩的进一步叠瓦作用,褶曲和交代作用发生于这个时期。
- There are not characteristics of contact metasomatism skarn in the bedded skarn, which is mainly composed of garnet, diopsite, tremolite and chlorite. 该层状矽卡矿成分较为简单,主要由钙铭榴石、钙铁榴石、透辉石、透闪石、绿泥石组成,不具典型的接触交代矽卡岩的特征。
- The skarn with special eruptive deposition and metasomatism is the main ore-bearing rock in Jiama deposits. 夕卡岩为西藏甲马铜多金属矿床的主要容矿岩石,具有独特的喷流沉积和喷流交代成因。
- I raise my respect for their parents, but to me, to go, I really don't know how metasomatism? 我怎么对得起养育我多年的父母啊,无奈啊,要我到回去的话,我真不知道怎么交代?
- Then it is concluded that dolomites of the study area are all produced by metasomatism or dolomitation, not originally. 认为研究区的白云岩非原生成因,而均属于交代或白云化成因。
- The ore-genesis belonging to deep resource hydrothermal fluid cryptoexplosi on metasomatism was put forward. 提出银矿床属深源热流体隐爆-交代型矿床。
- Metasomatism of the granitic rocks in Zhejiang Province, China is investigated by petrography. 用岩相学方法研究浙江花岗岩的交代作用。
- There are two opinions,alkali metasomatism and skarnization on the Han-xing iron ore formation in China. 邯邢式铁矿为我国一重要铁矿类型,对于邯邢式铁矿的成因存在两种看法,即碱交代成因观点和矽卡岩成因观点。
- The Kaxiutata iron deposit belongs genetically to the contact metasomatism or skarn type. 因此,卡休他他铁矿床属于接触交代型或矽卡岩型。
- The late diagenesis includes filling, devitrification, metasomatism, mechanical impaction and pressure solution, cementation and dissolution. 晚期成岩作用类型为充填作用、脱玻化作用、交代作用、机械压实压溶作用、胶结作用和溶解作用。
- Formation dip is large, caverns develop much, fractures crisscross each other, part with metasomatism of kiesel and carbonate. 地层倾角较大,溶洞发育,裂隙纵横交错,部分被硅质、破酸盐所交代。
- Due to chemical erosion and metasomatism, some formations have developed secondary pores, and favorable reservoirs can also be found in deep layers. 受溶蚀和交代作用的影响,部分层位次生孔隙发育,深层中也存在物性较好的储层。
- Discussion on the lithospheric thinning of the North China craton: delamination? or thermal erosion and chemical metasomatism? 关于华北克拉通燕山期岩石圈减薄的机制与过程的讨论:是拆沉,还是热侵蚀和化学交代?
- The geological features suggested that the deposit could be derived from metasomatism of fluids which are highly enriched in volatiles and REEs. 地质特征表明牦牛坪矿床派生于高度富集挥发分和稀土元素的气成热液流体的交代作用。
- So far dissolution-residuum, dissolution metasomatism and foreign sediments theories have been put forward for the forming mechanisms of laterite. 形成红土消耗的原岩可能是质纯碳酸盐岩,但更可能是含有泥质碳酸盐岩,甚至碎屑岩或粘土岩。
- Title: Discussion on the lithospheric thinning of the North China craton: delamination? or thermal erosion and chemical metasomatism? 关键词:华北克拉通;燕山期;底侵玄武质岩浆;构造加厚;岩石圈拆沉
- The mineralogical and geochemical characteristics of potassium and sodium metasomatism has been discussed in detail in this paper. 本文详细论述了钾、钠交代作用的矿物特征和地球化学特征,指出钾、钠交代作用的主要方式是渗透交代和液固相交代。