sedimentary deposits 中文意思是什麼
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There are three genetic types of mineral deposits in the beiya ore district : cu - au polymetallic deposits related to alkaline porphyries, comprising porphyritic cu - au deposits and polymetallic skarn deposits related to quartz - albite porphyry and quartz - k - feldspar porphyry ; fe - au deposits related to gabbro or basalt magma, consisting of magmatic fe - au deposits and sedimentary polymetallic deposits formed in caves and lakes ; and palaeo - placers formed at the weathering surface, in lakes and in karsts
北衙金礦有3種成因不同的礦床：與堿性斑巖有關的銅金多金屬礦，包括與石英鈉長斑巖和石英正長斑巖有關的斑巖型銅金礦床和矽卡巖型多金屬礦床；與輝長玄武巖漿有關的鐵金礦床，包括熔漿型鐵金礦床和噴流沉積型多金屬礦床，後者又有洞穴和湖相沉積環境之分；及古砂礦，有古風化殼型砂礦、河湖相古砂礦和洞穴沉積古砂礦。 -
A very large proportion of the world's sedimentary cover is composed of ancient deltaic deposits.
世界上的沉積蓋層有很大一部分是由古代三角州沉積所組成的。 -
In spatial distribution, coal fields are developed in the anomalies of high chargeability sedimentary areas ; metamorphic iron deposits occur in the anomalies of high chargeability metamorphic areas ; endogenic gold deposits are found in the anomalies of high chargeability igneous areas
空間分佈上，與沈積作用密切相關的煤礦主要分佈在沈積巖高極化率地區，變質鐵礦主要分佈在變質巖高極化率地區，內生金礦則主要分佈在火成巖高極化率地區。 -
The known copper deposits in the distributive area of bikou group and the newly - discovered faziba medium - size copper deposits are all located in the favorable positions indicated by the optimal indicator elements for the eruptive - sedimentary copper deposits of this area
碧口群分佈區的已知具規模的銅礦床及新探明的伐子壩中型銅礦均位於本區火山噴發沉積型銅礦的最佳指示元素所指示的有利部位。 -
The latter sedimentary feature is common in estuaries where the development of cut-and-fill deposits of sand is strongly influenced by tidal movements.
后一種沉積特徵在港灣內很普遍，在那裡沙層沉積的切割和充填的發育受到潮汐運動的強烈影響。 -
From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay
沉積微相研究是儲層非均質性研究的基礎，研究區有豐富的巖芯資料和測井資料，通過巖石組合、沉積韻律，砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志，結合古環境背景，確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系，而不是前人所認為的扇三角洲（陡坡型）體系，在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合，其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型；三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。 -
Granite greenstone - hosted, meta - clastics - hosted, volcanics - subvolcanics hosted and sedimentary rock - hosted micro - disseminated gold deposits are of industrial value
具有工業價值的金礦類型以花崗巖綠巖型、變碎屑巖型、微細浸染型、火山次火山巖型為主。 -
China is potential for gold mineral resources, especially for granite - greenstone hosted, meta - clastics - hosted, volcanics - subvolcanics - hosted gold deposit and sedimentary rock - hosted micro - disseminated gold deposits
中國金礦找礦前景可觀，以產于花崗巖綠巖地體中的金礦、產于沉積巖中的微細浸染型金礦、產于變碎屑巖中的金礦和產於火山次火山巖中的金礦最具找礦潛力。 -
Through synthetically study, some achievements are made as follows : 1. based on the application of sequence stratigraphy, for the first time the characteristics of sequence stratigraphy in the xicheng concentrated mineralization area are discussed systematically and 13 three graded imperfect sequences of devonian stratum are recognized. the result shows that hydrothermal sedimentary mineralized type and hydrothermal sedimentary - rebuilded mineralized type ore deposits occur in intergrade between two sequence, as well as occur in intergrade between highstand systems tract and transgressive systems tract
通過對該區礦床成礦作用的綜合分析研究，取得了如下一些成果和認識： 1 ）應用層序地層學理論，首次系統論述了該區泥盆系層序地層的特徵，識別出13個不完整的三級層序，並進行了區域對比。層序地層分析發現海底熱水沉積型礦床和海底熱水沉積-改造型礦床的賦礦部位是兩個層序的過渡部位，既高水位體系域向海侵體系域過渡。 -
Applying system theory to study mineralized belt or concentrated area has been a hot topic recently. this paper applied new theory of modern seafloor hydrothermal sedimentary minerlization, sequence stratigraphy, mantle plume or hotspot and metallogenic series to study systematacially characteristic of geology and geochemistry of seafloor hydrothermal sedimentary deposits and hydrothermal sedimentary - rebuilded deposits and gold deposits
論文應用現代海底熱水沉積成礦研究成果、層序地層學、地幔熱柱或熱點理論及礦床成礦系列理論等，對本區熱水沉積型鉛鋅（銀）礦床、熱水沉積-改造型鉛鋅（銀）礦床和金礦床進行了詳細的地質地球化學研究。 -
The immediate host siliceous rocks of typical deposits ( jinya, gaolong ) are of hydrothermal sedimentary origin. gold ore bodies are layer - like and generally concordant with their host rocks. abundant relict synsedimentary fabrics are preserved in the ores
典型礦床（金牙、高龍）中的含礦硅質巖屬熱水沉積巖，礦體形態主要為與地層整合的層狀和似層狀，礦石具有大量同生沉積的標型組構。 -
It is useful in discussing the nature of sedimentary deposits.
它在討論沉積物的性質時是有用的。 -
Abstract : based on 1 200000 aeromagnetic survey data performed in 1998, and referred to materials of geolo - gic and geochemical prospecting of the working area, this paper discusses the relationship between the characte - ristics of magnetic field, magmatic rocks, fault structure and the distribution of mineral resources, and investigates the geologic metallogenic environments, and sets up the prospecting criteria for hydrothermal and volcanic - sedimentary copper, lead, zinc, gold, iron, manganese deposits, then makes the prognosis of the prospecting potential of the working area
文摘:本文以1998年1 20萬航空磁測資料為基礎，參考地質和化探資料，對工作區磁場特徵、巖漿巖、斷裂構造與礦產分佈的關系進行探討，研究地質成礦環境，建立尋找熱液型和火山-沉積型的銅、鉛、鋅、金、鐵、錳礦找礦標志，對本區找礦遠景進行了預測。 -
There are a series of lead - zinc polymetallic deposits, such as fozichong, dongtao, xiashui, wenlongjing and jilongding distributed along the fault zone. these deposits have some similiar features : ? ll of them are bounded in the strata of lower palaeozoic group ; ? ain orebodies occur as stratiform or stratoid form with occurrence consistent with that of host strata ; ? tratiform skam or baritic rock are the direct country rock of orebodies ; ? ypical syngenetic sedimentary fabric preserved in the ore. these deposits may be included in the same metallogenic series
佛子沖、東桃、下水、文龍徑、雞籠頂等一系列鉛鋅多金屬礦床沿該斷裂帶分佈，這些礦床雖然在成礦規模、賦礦層位和礦石礦物組成等方面存在一些差異，但均產于下古生界地層中；主要礦體呈層狀、似層狀產出，與地層產狀大體一致；直接賦礦圍巖為層狀綠色巖或重晶石巖；礦石中保留有典型的同生沉積組構。 -
The sedimentary facies show a depositional evolution from the deep - water sediments through shallow - water sediments to the continental sediments, including alluvial fan, river, lake, delta ( tide - dominated ), barrier coast, shallow sea, deep sea and volcanic debris flow deposits
在沉積相上，經歷了從深水沉積到淺水直至陸相沉積的演變，發育有沖積扇、河流、湖泊、三角洲（潮汐） 、障壁海岸、淺海、深海和火山碎屑流沉積。 -
In the concentrated mineralization area, there are many types of pb - zn - ( ag ) deposits and gold deposits, it is one of bases of lead - zinc in china. in this area seafloor hydrothermal sedimentary ore deposits and hydrothermal sedimentary - rebuilded ore deposits are predominated. all lead - zinc - ( silver ) and gold deposits hosted in devonian sedimentary rocks, and orebodies of seafloor hydrothermal sedimentary deposits and hydrothermal sedimentary - rebuilded deposits draped in phase with stratum
礦化集中區內主要的礦床類型是熱水沉積型和熱水沉積改造型，其中熱水沉積成礦作用形成的廠壩-李家溝礦床為超大型礦床，熱水沉積-改造型礦床有畢家山和鄧家山等大型鉛鋅（銀）礦床，礦床與中泥盆統地層整合產出，並同步褶曲。 -
Oil is formed by the decay of animal, and possibly some plant, remains in a reducing environment in sedimentary deposits.
石油是在沉積物還原環境中由動物遺骸，可能還有一些植物遺骸的分解所形成的。 -
Pollen analysis a means of obtaining information on the composition and extent of past floras and environments by examining fossil pollen grains, spores, and similar structures in peat and sedimentary deposits
花粉分析：指通過檢測花粉化石、孢子以及在泥炭和沉積物中類似的結構，以獲得歷史上曾有過的植物區系、組分以及分佈范圍與環境信息的方法。 -
The study of syntectonic sedimentary deposits is one of the advanced topics in current geological research
同構造沉積記錄研究是當前地質學研究的熱點和前沿領域之一。 -
Those emeralds that are deeper and brighter in color, and which have fewer sedimentary deposits are categorized as higher - grade gems. and of course, their price escalates accordingly. besides, gemstones of more than one carat are very valuable
以寶石的分級而言，顏色愈深明沉澱物越少的寶石，等級越高，價格自然也會呈倍數成長，而且足克拉的寶石本身就有一定的高額價值。
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