查询词典 metasomatic
- 与 metasomatic 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The main characteristics of the skarn are as follows:(1)occurring as bedded,para-bedded in the contact zone between carbonate and microclastic rock,and its occurrence being accordance to the strata;(2)cut by later vein rock,so having no relation with the magmatic rock on genesis;(3)metasomatic skarn having replacement remnant texture,pseudobreccia structure,while depositional skarn,particulate crystall...
研究表明该夕卡岩的主要特征为:(1)呈层状、似层状赋存于碳酸盐岩和细碎屑岩接触带,产状与地层一致;(2 )被后期脉岩穿切,成因上与岩浆岩无关;(3)喷流交代夕卡岩具交代残余结构和假角砾状构造,而喷流沉积夕卡岩具微粒状结构、雏晶结构和层纹、条纹、条带状构造,反映了二者不同的喷流成因;(4)发育典型的低温夕卡岩矿物组合,其形成温度小于30 0℃;(5 )夕卡岩的稀土配分型式与围岩的一致。
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In Central Asia five countries of CIS,there occur over 100 uranium deposits of different types:sandstone,alkaline metasomatic rock,uranium and coal-bearing rock,fish fossil-bearing mudstone and carbonate rock,of which uranium reserver is about 30% global uranium industrial reserves.
中亚独联体五国:哈萨克斯坦、乌兹别克斯坦、吉尔吉斯坦、土库曼斯坦和塔吉克斯坦的中亚大陆地壳构造单元,其中分布着大批砂岩型铀矿床和碱交代岩型、含铀煤岩型、含鱼残骸泥岩型和碳酸盐岩型铀矿床,计百余个。
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A petrographic analysis combined with electron microprobe analysis and SEM shows that black opaque matters, whose composition is mostly of microcrystalline silicate and magnetite, are widely found running reticulately through mineral particles, crystals and cleavage cracks in association with metasomatic alteration in the mafic-ultramafic xenoliths and their host rocks.
经岩相学和电子探针及扫描电镜分析发现,伴随交代蚀变,寄主岩和各类镁铁-超镁铁质包体岩石中,普遍发育沿粒间和矿物晶体裂隙或解理纹贯入或穿插的黑色不透明物质,主要由微晶硅酸盐矿物和磁铁矿组成。
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The Yiarmand gold deposit occurs in hydrothermally eruptive breccia of the 2nd Member of Lower Carboniferous Dahalajunshan Formation and its underlying arsenopyritized and pyritized tuffaceous clastic rocks,and the ore forming process can be divided into hydrothermally eruptive and sedimentary stage and metasomatic stage.
伊尔曼德金矿床赋存于下石炭统大哈拉军山组第二岩性段硅化热液喷发角砾岩及其下伏上泥盆统吐呼拉苏组毒砂黄铁矿化凝灰质碎屑岩中,成矿作用可分为热液喷发沉积期和热液交代蚀变成矿期。
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The mantlelherzolites xenoliths with lower ~3He/~4He ratios may be from upper metasomatic enriched mantleand the garnet xenocrysts may be from below extra-depleted mantle formed by metasomatism.
具有异常低~3He/~4He比值的幔源包体可能来自上部交代富集型地幔源区;具有较高~3He/~4He比值的高压巨晶可能来自下部极度亏损地幔源区。
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The metasomatic enrichments of Mesozoic mantles in the coastal Southeast China were inferred mainly by geochemical deduction, but reliable geologic evidence is lacking.
以往主要依据地球化学证据推断东南沿海中生代存在地幔富集作用,但缺乏可靠的地质学证据。
- 推荐网络例句
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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.
此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。
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To get the business done, I suggest we split the difference in price.
为了做成这笔生意,我建议我们在价格上大家各让一半。
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After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.
一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。