鐵礦層 的英文怎麼說
中文拼音 [tiěkuàngcéng]
鐵礦層
英文
iron bed-
Knowledge of the occurrence of chromite deposits is likewise incomplete.
對于鉻鐵礦礦層產狀的了解同樣是不完整的。The chromite deposits in the muskox complex occur only in feldspathic peridotite.
在穆斯科克斯雜巖體中,鉻鐵礦礦層僅產于長石質橄欖巖中。Coal seams intermixed with iron ore.
煤層和鐵礦混雜在一起。By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water
周圍礦床的風化蝕變為表生水提供了鐵質,形成弱酸性的含fe ( oh ) _ 3膠體的水溶液,表生水流經翡翠礦石時, fe ( oh ) _ 3膠體附著在巖石的表面,經過脫水結晶和吸附,形成褐鐵礦膠體,褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中,逐漸累積沉澱,形成次生色層。Eluvial tantalite : eluvial tantalite is found in rubble consisting of fragments and pebbles of varied composition
殘積層鉭鐵礦:殘積層鉭鐵礦發現于由碎片和小鵝卵石成分的碎礦中。The tantalite mineralisation at portee appears to be associated with quartz core zones, zones of k - metasomatism and with eluvial concentrations
鉭鐵礦的礦物性質是由石英核心帶、 k長石同化礦帶和殘積層部分組合而成的。In the older rocks below these glacial deposits are detrital uraninite and pyrite, two minerals considered evidence for very low levels of atmospheric oxygen
這些冰河沉積物下方的較老巖層,是瀝青鈾礦與黃鐵礦碎屑;這兩種礦物被認定為大氣中氧氣極為稀少的證據。The colour of illite jade is of distinct gradation which is related to the content of hematite in different sedimentary bed
該玉石的顏色層次結構清楚,分界明顯,與不同沉積層中赤鐵礦的質量分數有關。An early hypothesis by chakraborti holds that the arsenic is associated with iron pyrites and enters the aquifers by an oxidation process
加卡波狄較早提出的一個假說認為,砷與黃鐵礦結合併透過氧化作用進入含水層。The main chromitite seam and the merensky reef do not outcrop well.
主鉻鐵巖礦層及麥侖斯基礦層出露不好。Study on the stratification and critical size in siderite heattreatment
菱鐵礦熱處理分層現象及臨界線度的研究In 1979 in terms of the resources of the cement oil field dr t. j. donovan, worked in the geo - survey graduate school, proposed that there is diagenetic magnetite in sediment terrane above oil and gas reservoir
1979年美國地調所t . j . donovan博士根據cement油田資料推測在油氣藏上覆沉積巖層中存在與烴類垂向運移相關的成巖作用磁鐵礦。With the mining of no. 1 ore body which is solwly inclined, large and thick at the west flank of xinqiao pyrite mine as the example, analytic comparision is made between flat - back cut and fill stoping and sublevel open stoping with one - time delayed filling. the suggestion on the optimization of the mining and the discussion on appropraite mining method and the technical parameters of mining technology for slowly inclined large and thick ore body are also made
以新橋硫鐵礦礦體西翼緩傾斜厚大礦體的開采為實例,對生產中應用的水平分層充填采礦法和分段空場嗣後一次充填采礦法進行分析比較,提出采礦方法的優化建議,探討緩傾斜厚大礦體合適的采礦方法和采礦工藝技術參數。Beneath the relic sand of the outer shelf there is high grade of valuable heavy mineral sand ( for example ilmenite ) reaching the ii anomaly order of marine placers and it is of potential resource prospects
通過碎屑礦物判斷,原巖應是中酸性巖漿巖和淺變質巖類。鈦鐵礦等有用礦物在細砂層位中出現較厚的砂礦異常,顯示一定的淺海砂礦資源潛力。Stripping of water - containing fine powder sand layer in loose slope at iron open - pit mine
露天鐵礦鬆散邊坡內含水粉細沙層的剝離方法According to the study of the mineral evolving, origin analysis etc., it is considered that the source of minerals etc mainly comes from the pyritization sources of the submarine volcano eruption
認為含礦巖系的物源主要來自海底火山噴發作用形成的黃鐵礦化礦源層。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。Because the ore has been mined for long time, the nature geological environment has been getting worse and worse, such as the baldness of mountain body, the rock is weathered to pieces, a lot of loose material distributing along the gully and its banks, the disaster of debris flow is seriowsly, and the production of the mine is constrained by debris flow disaster ; for example, a debris flow broke out on august 1999 and resulted in catastrophic hazards to the jingtieshan iron mine, resulted in a huge economic losses of 50 million yuan
鏡鐵山礦是酒鋼最主要的鐵礦石生產基地,礦區山高溝深,地質構造復雜,自然地質環境較差,在長期人為開采活動的影響下,地質自然環境進一步惡化,山體裸露,巖層破碎,大量鬆散固體物質堆積在溝道及溝道兩側,泥石流災害十分嚴重,嚴重製約了礦山的生產與發展。 1999年8月礦區黑溝南溝暴發生了嚴重的泥石流災害,致使礦山停產10多天,造成5000多萬元的經濟損失。Pyritic bedded vein
黃鐵礦層礦脈Pyritic bedded deposit
黃鐵礦層狀礦床分享友人