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斑铜矿

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The Geza island arc zone is an important component part of the 3-river metallogenetic zone.

中甸格咱岛弧带是三江成矿带的重要组成部份,也是我国近年来寻找斑岩铜矿取得重大突破的矿集区之一。

The Songshugou copper deposit occurs at the contact of a Permian porphyry granite and is clearly controlled by the porphyry granite.

松树沟铜矿矿体主要赋存于二叠纪花岗斑岩体外接触带,明显受花岗斑岩体控制。

Zhongdian is enriched with indo-Chinese epoch neutral acid porphyry as well as one of the porphyry copper deposits in china that was an important breakthrough in the past few years.

中甸地区是印支期中酸性斑岩集中分布区,也是我国近年来寻找斑岩铜矿取得重大突破的矿集区之一。

Pulang porphyry copper deposit is a large porphyry copper deposit discovered in this belt so far.

普朗斑岩铜矿床是迄今在该成矿带发现的大型斑岩型铜矿之一。

The crystallization temperature and pressure of clinopyroxene phenocrysts from the ankaramite and basalt were estimated on the basis of the clinopyroxene-melt equilibrium principle: 1345~1366℃ and 1.75~2.05Gpa for ankaramite, with average geothermal gradient of 20-24℃/km, suggesting anomalous heat or geothermal gradient in this region may be one of the key reasons to produce the porphyry copper deposits in the region. In contrast, those in the basalts fomed under a relatively low crystallization temperature (1129~1191℃), and the pressure (1.19~1.60Gpa) and depth (39~53km), suggesting that the basalt formed under a condition of lower temperature and pressure.

根据单斜辉石-熔体平衡原理计算了富辉橄玄岩和玄武岩中斑晶相辉石形成的温度和压力,前者变化范围主要集中在1345~1366℃和1.75~2.05GPa,其深度相当于58-67km,平均的地温梯度大约20~24℃/km,说明该区具有异常的热或地温梯度,这可能是导致本区斑岩铜矿形成的主要原因之一;后者的温度和压力都相对较低,分别为1129~1191℃和1.19~1.60Gpa,而相应的深度为39~53km,暗示着玄武岩是在相对低温低压的环境中形成的演化岩浆。

The deposit has yielded a 187Re-187Os isochron age of (15.32±0.79) Ma, which is identical to the age (14 Ma±) of porphyry copper mineralization in the east Gangdese belt.

年龄数据与冈底斯成矿带东段南侧斑岩铜矿化带的矿化时间(14 Ma左右)具有一致性,表明北矿带的成矿作用与斑岩有关。

New zircon U-Pb ages of the Chongjiang and the Qulong ore-bearing porphyries in the Gangdese porphyry copper belt are analyzed by using ELA-ICP-MS dating technique.

利用ELA-ICP-MS分析技术对冈底斯斑岩铜矿带冲江及驱龙含矿斑岩体进行锆石U-Pb年龄测定,所得到的年龄分别为14。

The Re-Os is otopic study is of great importance in the determination of ore-forming ages and the establishment of an ore-forming model.

它为确定铜矿峪斑岩铜矿的成矿年龄及建立该矿床的成矿演化模式奠定了重要基础。

Porphyry copper mine in the Philippines, mainly distributed throughout the country are.

菲律宾铜矿以斑岩铜矿为主,全国各地均有分布。

The Tinggong porphyry copper deposit is an important deposit in Gangdese PCD belt.

厅宫斑岩铜矿床是西藏冈底斯斑岩铜矿带上重要的矿床之一。

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然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

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