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continental volcanic rocks
    ON “HOLOSILICEOUS” CONTINENTAL VOLCANIC ROCKS
    对一种“全硅质”陆相火山岩的探讨
    Geological CharacteriStics and Minerogenests or Ag-deposits in Continental Volcanic Rocks
    陆相火山岩中银矿床的地质特征与成矿作用
    CONTINENTAL VOLCANIC ROCKS OF TIAOJISHAN F. AND THEIR CYCLIC SEQUENCESUBDIVISIONINTHE SOUTHOF JINLINGSI-YANGSHAN BASION OF WEST LIAONING
    辽西金羊盆地南部髫髻山组陆相火山岩及旋回层序划分
    METALLOGENIC CHARACTERISTICS AND GENESIS OF Fe-Cu-Au DEPOSITS RELATED TO CONTINENTAL VOLCANIC ROCKS
    与陆相火山岩有关的铁、铜、金矿床成矿地质特征及矿床成因
    During early pre—Permian,the eruption of continental volcanic rocks resulted in the deposition of 3000 m volcanoclastic rocks.
    早二叠世的早期为陆相火山岩喷发期,堆积了厚选3000m的火山碎屑岩。
    Proceeded from a general study on characteristics of continental volcanic rocks,the present paperdeals with some common characteristics of the silver deposits hosted in these rocks and try to makea deduction on their minerogenesis from following aspects,including:lithochemical composition,isoto-pic constitution and metallogenic temperature.
    本文概述了陆相火山岩的特点,论述了陆相火山岩中银矿床的共同特征,并从岩石化学成分,硫、铅同位素,成矿温度及碳、氧同位素等方面推论其成矿作用。
    The Mesozoic continental volcanic rocks are widely distributed in South China. Volcanicactivities started at 175 Ma and ended at 75 Ma. They are characterized by highly potassiccafe-alkaline volcanic series at the early stage and bimodal volcanic rocks at the late stage.
    华南中生代陆相火山岩分布广泛,火山活动起始于175Ma,结束于75Ma,早期为高钾钙碱系列、晚期以双峰式火山岩为特征。
    In the world, most of the bearing copper porphyries occur at the zone of the continental volcanic rocks, but the situation is very different in the Gongpoquan copper ore field: the porphyries(dacite porphyry and granodiorite porphyry)occur at the area of the marine volcanic rocks.
    与大多数含铜斑岩产于陆相火山岩区不同,甘肃公婆泉含铜斑岩(即英安斑岩和花岗闪长斑岩)在空间和成因上与中-晚志留世浅海相火山岩系关系密切。
    The subvolcanic type of ore deposits have the same resource,period,space and origin as the continental volcanic rocks and subvolcanic rocks.
    次火山岩型矿床与陆相火山岩、次火山岩为同源,同时期,同空间,同成因。 总结了区域火山活动特征;
    Axi gold deposit, which is occurred in the continental volcanic rocks of Lower Carboniferous Dahalajunshan formation, belongs to typical large gold deposit of adular-sericite type. The mineralization is related to the ring fracture system in the caldera rim(volcanic apparatus).
    阿希金矿床赋存于下石炭统大哈拉军山组陆相火山岩中 ,成矿与破火山口 (火山机构 )环状断裂构造系统有关 ,属典型的冰长石 -绢云母型大型金矿 .
    There are two stages of continental volcanic rocks (middle stage and middle late and late stage of Hualixi)and two corresponding stages of gold mineralization in the northern Xinjiang.
    新疆北部存在两期 (华力西中期和中晚期—晚期 )陆相火山岩 ,相应发育两期金矿化。
    The geology and geochemistry features of deposit show that this type of gold deposits belong to the epithermal gold deposits near the surface which are closly related to the continental volcanic rocks,form in island arc or active continental margin type conpressive orogenic setting.
    矿床地质和地球化学的一系列特征表明 ,该类金矿是与陆相火山岩密切相关 ,形成于岛弧或活动大陆边缘型挤压造山环境及近地表条件下的浅成低温热液金矿床。
    Two mineralization magmatic formation of the continental volcanism:continental volcanic rocks and cryptovolcanic complex are similar in geochemistry character of trace elements and REE.
    陆相火山作用两类成矿岩浆建造———陆相火山岩与潜火山杂岩具有基本一致的微量元素和稀土元素地球化学特征
    The Batamayineishan Formation of early Carboniferous age consists of continental volcanic rocks,which are mainly composed of basic lava in the lower part and intermediate acid,acid volcaniclastic rocks in the upper part.
    早石炭世巴塔玛依内山组为一套陆相火山岩 ,下部以基性熔岩为主 ,上部以中酸性、酸性火山碎屑岩为主。
    Gold mineralization in the study area is hosted in continental volcanic rocks of Middle Proterozoic, Xionger Group overlying the Archean crystalline basement.
    本区金矿化产于太古界结晶基底之上的中元古界熊耳群陆相火山岩中。
    The Shiyingtan gold deposit, located in the Aqishan-Yamansu volcanic arc, northern Tarim plate, is hosted in Lower Permian Aqikebulake Group continental volcanic rocks.
    石英滩金矿地处塔里木板块北缘阿奇山—雅满苏火山弧,容矿围岩为下二叠统阿其克布拉克组陆相火山岩,控矿构造为破火山口环形断裂。
    The continental volcanic-, subvolcanic rock-type Ag deposits are the most important silver mining industry type, and they mostly occur in the areas where continental volcanic rocks are widespread at the margins of continental plates.
    陆相火山岩 次火山岩型银矿床是最重要的银矿工业类型,多产于大陆板块边缘陆相火山岩广泛分布地区。
    This information of quartz is significant to the prospecting and evaluation of gold deposits in the area of Mesozoic continental volcanic rocks.
    上述研究获得的信息对中生代陆相火山岩区寻找和评价石英脉型矿床具有指导意义。
    Volcanic rocks related to the gold deposits are mainly a suite of calc-alkaline continental volcanic rocks, which are composed mainly of basalt-andesite-dacite-rhyolite and relevent pyroclastic rocks, together with minor marine and continental volcanic rocks.
    与金矿有关的火山岩,主要是一套以玄武岩_安山岩_英安岩_流纹岩及其火山碎屑岩组合为特征的钙碱性陆相火山岩,少数为海相_陆相火山岩
    Some special rock types such as adakite,shoshonite and alkali rocks are closely related to continental volcanic rocks deposits.
    一些特殊的岩石类型,如埃达克岩、橄榄玄粗岩及碱性岩与陆相火山岩矿床有密切联系。
 

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