蝕變火山巖 的英文怎麼說
中文拼音 [shíbiànhuǒshānyán]
蝕變火山巖
英文
altered volcanic rock-
If the volcano becomes inactive and cools, surrounding rock may be worn away.
如果火山變得不活動並冷卻下來，圍巖就可能被剝蝕掉。Dongzigou ag deposit and jianbaoshan au deposit are hosted in the sandstone of middle - proterozoic suberathem, which are developed from the proterozoic sediment metal source - rocks formed during the meso - proterozoic volcanism and reworked by the mesozoic tectono - magmatism during the formation of the metamorphic core complexes in eastern hebei. the dongzigou ag deposit has the characteristics of reformed strata - bound origin, the jianbaoshan au deposit, located in the detachment fault, is the alterated rock type. both deposits have the similar wall - rock alteration, and show the same trace element behavior, and ree patterns. they are the results of the multi - stage tectono - magmatism in the environment of continental extension in eastern hebei region. their mineralization depended on their wall rocks and relative location in metamorphic core complexs
賦存於中元古宙長城系常州溝組的洞子溝銀礦床和尖寶山金礦床是由密雲-都山變質核雜巖構造體系所控制的一組礦床。其成因為中元古宙火山巖漿活動形成的沉積礦源，后經中生代的變質核雜巖構造巖漿體系疊加改造而成。洞子溝銀礦床具有層控迭加改造的特點尖寶山金礦床則具有破碎蝕變巖型礦床的特點。4. three type of basalt is recognized in changle region : a, sapphire - embodied alkli - olivine - basalt of niushan group ( most distributed in fangshan ), enriched with a large number of mantle - orignated xenoliths with different extent of weathering ; b, alkli - olivine - basalt of niushan group with little sapphire embodied, but contan a few mantle - orignated xenoliths usually samller than that of fangshan, most of the mantle - orignated xenoliths weathered seriously only lefting with some vacant caves, this kind of rock mostly lies in cangshan, taohuashan. and qiaoguan volcanic vent, contain amount of ilmenite ; c, olivine - basalt of yaoshan group, contain neither xenoliths nor sapphire
4 、在昌樂地區區分出三類主要的玄武巖： a ，牛山組含礦的堿性橄欖玄武巖，位於方山，含大量的大小不一的風化蝕變程度不同的地幔巖包體； b ，牛山組幾乎不含礦的堿性橄欖玄武巖，含少量地幔巖包體，且包體一般比方山小，多數已經遭嚴重風化而只留下空洞，含有相當數量的鈦鐵礦，主要位於北巖南部的蒼山，桃花山及喬官火山口。The main achievements obtained in this paper are as follows : 1. some of new recognitions were obtained on such aspects as strata sequence, rock type, metamorphism, hydrothermal alteration and the sedimentary environment by the study on many profiles in this area, with discovery of volcanic rocks for the first time in ore - bearing strata and ore bodies
取的了如下主要成果和認識： 1 、通過對礦區地層多條剖面的研究，對地層的層序、巖石類型、變質作用、熱液蝕變及原巖沉積環境有了新的認識，特別是在賦礦地層及礦體中首次發現了火山巖。The genesis of gold deposits is complex in this district, the type of quart - vein plus etch rock belongs to hydro thermally superimposed complex mineralization. the type of porphyry and scraping rock containing charcoal belongs to volcano sediment - alteration hydro thermally gold deposits, the formation of gold deposits is controlled by several factors
本區金礦床的成因比較復雜，石英脈+蝕變巖型金礦屬于熱液疊加復合成因礦床，含炭火山碎屑巖型金礦屬於火山沉積?變質熱液改造型層控金礦床。We deduce that it is a relic old crust that was brought upwards during the formation of neo - tethyan ophiolite. the step heating 40ar - ' 9ar spectra show that during 100ma, luobusha ophiolite suffered intensely alternation, which affected distinctly the k - ar system ; during 771ma some basalt formed in the country rock of xiubugabu ophiolite ; during 55ma, the pillow basalt of rikangba ophiolite affected by a strong thermal event ; all the variety of ages illustrates possible impacts of the subduction - collision between india and eurasia. through dissecting mainly the gabbro of luobusa ophiolite and studying the 40ar / 39ar
~ （ 40 ） ar ~ （ 39 ） ar階段升溫年齡圖譜顯示， 100ma左右羅布莎巖體經歷了較強的後期蝕變作用，對其k ? ar體系造成明顯影響； 77 1ma休古嘎布巖體圍巖中形成玄武質火山集塊巖； 55ma日康巴巖體巖石枕狀玄武巖受到較強熱事件影響；這些~ （ 40 ） ar - ~ （ 39 ） ar年齡上的變化顯示了印度板塊與歐亞板塊俯沖?碰撞對該區的強烈影響。Based on ore material sources, metallogenesis, occurrences, ore formation and wall rock alteration of gold ore deposits in the northest jiangxi province they are classified into four types i. e. magmatic hydrothermal gold deposit, volcao - subvolcano hydrothermal gold deposit, multi - sources hydrothermal gold deposit and heat underground water ( brine ) infiltrating gold deposit and 8 sub - types and the geological characteristics of the deposits are described and ore - forming control of sedimentary formation, structure and magmatic rocks on the formation of gold ore are summarized and gold ore - searching directions in the northeast jiangxi province are pointed out
依據成礦物質來源、成礦作用、礦床產出條件、礦石建造和圍巖蝕變等因素，將贛東北地區巖金礦床劃分為巖漿熱液類、火山次火山熱液類、多源熱液類和地下熱（鹵）水滲濾類等4類8型，分述了各類（型）金礦成礦地質特徵，總結了沉積建造、構造和巖漿巖對區內金礦的控製作用，指出了贛東北地區金礦找礦方向。4. the ore type is multitudinous in zhulazaga gold deposit, including exhaust - sediment type, alteration volcanic rock type, alteration metamorphic sandstone type, metasomatic rock type and sulfide quartz vein type, of which the strongest one contributed to deposit was the alteration metamorphic sandstone type, and the secondary one is alteration volcanic rock and metasomatic rock type
4 、朱拉扎嘎金礦的礦石類型眾多，有噴流沉積型、蝕變火山巖型、蝕變變質砂巖型、交代巖型和硫化物石英脈型，其中對礦床或礦體貢獻最大的是蝕變變質砂巖型，其次是蝕變火山巖型和交代巖型。The subvolcanic hydrothermal processes show a series responses of alteration rocks with some regularity of space and time evolutions, the main metallogensis was between the silicate alterations ( high - middle temperature and prssure ) and sulfide alterations ( low temperature and pressure )
次火山水熱活動有一系列不同類型，並具一定空間分佈和時間演化規律的蝕變巖響應，主期成礦作用發生在中高溫壓硅酸鹽蝕變與中低溫壓硫化物蝕變之過渡階段。Altered volcanic rocks
蝕變火山巖According to the comparison and analysis of mineral composition and geochemical characteristics of trace element, sulfur isotope, hydrogen and oxygen isotope, lead isotope and rare earth element in the gold ore and the altered spilite from the deposits of huachanggou gold mine, it was confirmed that the gold ore had obvious succession of the basic igneous rock
摘要通過對鏵廠溝金礦床金礦石和蝕變細碧巖礦物組成、微量元素、硫同位素、氫氧同位素、鉛同位素及稀土元素地球化學特徵地對比分析，得出金礦石對該基性火山巖存在明顯的繼承性。分享友人