岩筒

岩筒产于NW向和EW向断裂交汇部位。

The hydrothermal breccia pipe occurs at the intersection part of a NW-strike fault with an EW strike fault .

火山岩筒的成因与岩浆作用过程的探讨

Genesis of volcanic pipe and Discussion on its magmatic processes

火山穹窿、爆发角砾岩筒等火山构造，NE向、NW向断裂构造，辉石闪长玢岩体，洼中洼环境等对成矿具有控制作用。

These deposits were , when being formed , controlled by volcanic structures ( volcanic dome and volcanic breccia pipe ), fault structures ( NE and NW trending ), gabbro porphyrite body and depression in depression .

伊犁阿希矿化角砾岩筒型金矿床

The mineralized breccia pipe gold deposits in axi , ili , Xinjiang

浙江6702爆发角砾岩筒地质特征

Geological features of no.6702 explosive breccia pipe in Zhejiang

岩体是多期形成的，呈岩筒、岩床产出。

The rock body was formed in several stages and seen as pipe and sill .

江苏吉山爆发角砾岩筒特征及其与铁矿的成矿关系

Characteristics of explosion breccia pipe and its metallogenetic relations to the iron ore deposits at jishan , jiangsu Province

控矿角砾岩筒的分布受线性走滑断裂构造控制，角砾岩筒垂直分带明显。

The hypabyssal breccia pipe structure is located in the intersection segments of linear strike faults , and possesses distinct vertical zonation .

矿床规模大，品位高，矿化集中，属火山－次火山低温热液矿化角砾岩筒型矿床。

They are great size and high grade , and belong to volcanic-subvolcanic low-temperature mineralized breccia pipe deposits . The ore bodies are concentrated .

可是，今天绝大多数的钻石都不是在河床上找到的；今天的钻石都是从地球内部很深的地方，从被称为岩筒的管状矿脉的矿井中开采出来的。

Most diamonds today are not found in stream beds , however . They are mined from rock formations deep inside the earth called pipes .

斑岩锡矿主要产于花岗斑岩岩筒内部及其接触带，蚀变与矿化具分带现象；

Of the various types of deposit , the porphyry type occurs within first stage granite-porphyry and at its contact zone where alteration and mineralization zoning is apparent ;

系统地研究了秦岭东段熊耳山地区角砾岩筒型金矿床成矿地质、地球化学特征、成矿机理、元素分布分配、不同勘查阶段地球化学异常特征等。

The deposit geology , geochemical characteristics such as ore forming mechanism , elements distribution and geochemical characteristics of anomaly at different exploration stages of this breccia-pipe-type gold deposit are studied systematically in the region .

今天的钻石都是从地球内部很深的地方，从被称为岩筒的管状矿脉的矿井中开采出来的。专家们认为这些岩筒都是火山的一部分，是在溶岩从地壳的裂缝中挤压到上面来的时候形成的。

They are mined from rock formations deep inside the earth called pipes . Scientists believe that these are parts of volcanoes that were formed when molten rock pushed upward through the earth 's crust .

富金流体于岩筒上部倒置锥状裂隙体（温度、压力急降箱）下部沸腾面附近富集和沉淀，富铜流体主要于温压相对较高的汇流区集结和沉淀成矿。

Gold rich fluids are enriched and precipitated near the boiling surface in the lower part of inverse cone like fissure body on the upper pipe . Copper rich fluids are mainly enriched and mineralized in junction area where temperature and pressure are relative higher .

与热水通道相蚀裂和爆破角砾化作用有关的网络状灰岩角砾岩筒和热水隐爆角砾岩筒；

Netted hydrothermal limestone breccia and hydrothermal explosive breccia pipe related to hydrofracturing , corrosion and explosion in the hydrothermal channels ;

计算的净质量变化（%）表明：所谓大宝山花岗闪长岩是补给岩筒中海底蚀变的产物，而热水沉积岩则有Si-Fe-Mg质量加入。

The calculated net mass change ( % ) shows that the so-called " Dabaoshan granodiorite " is formed by sea-floor alteration in the recharge pipe , whereas Si-Fe-Mg mass is added to the hydrothermal sedimentary rocks .

在岩体的形态与岩石组构上，它们以岩席、岩筒和脉岩的形式出现，并发育有强烈的熔离作用与流动构造；

The rocks occur as sheet , pipe and vein with strong liquation and flow structure .

形成于地壳浅部环境（<5km）中的金矿床常与岩株、岩墙或岩床有关，金矿化大多数以浅成低温脉、网状脉或角砾岩筒产出；温室中岩床蓄热性的分析

Deposits in shallow crustal settings ( < 5km ) are associated with stocks , dikes and sills and include systems with epithermal-style veins to stockwork and breccia . A ANALYSIS OF HEAT STORAGE CHARACTERISTIC FOR ROCK BED IN PASSIVE SOLAR GREENHOUSE