查询词典 quartz porphyry
- 与 quartz porphyry 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The shoshonites in Zaxue area of Tibet, including the hypabyssal intrusive quartz-monzonite porphyry and the volcanic rocks of Pana Formation, distribute in the central part of Gangdese magmatic belt.
西藏扎雪地区钾玄岩包括浅成侵入的石英二长斑岩和帕那组的火山岩,分布于冈底斯岩浆弧带中段。
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The quartz-monzonite porphyry intrusived in the Pre-Ordovician Songduo Group and Carboniferous-Permian Laigu Formation, unconformably covered by the volcanic rocks of Pana Formation.
石英二长斑岩侵入于前奥陶纪松多岩群和石炭-二叠系来姑组中,并被帕那组火山岩呈火山沉积不整合覆盖。
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According to logging results of 167 boreholes and chemical analyses of 24 369 samples as well as characteristics of element distribution at 4 000 m, 3 950 m and 3 900 m levels, the deposit is characterized by alteration, mineralization and element geochemistry of the porphyry. Alteration and mineralization are spatially and temporally related to the augen quartz phenocryst_bearing hornblendequartz diorite porphyrite (J3δομ).
根据167个勘探钻孔编录和化学分析(24369件化学分析样品)资料,以及对海拔4000 m、3950 m、3900 m水平面的Cu、Au、Ag、Mo、Mn、P b、Zn、W、K、Na、Ca、Rb元素分布规律的分析,显示矿体具有斑岩型矿床的蚀变、矿化以及元素地球化学特征,主要矿化和围岩蚀变在时间上和空间上均与含眼球状石英斑晶的角闪石英闪长玢岩(J3δομ)有关。
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This study was only focused on the No.Ⅰore body. Based on detailed logging and dating results, it is considered that mineralization of the Cu_Au porphyry occurred in Late Jurassic. The formation of the ore body is related to the Late Jurassic augen quartz phenocryst_bearing hornblende_quartz diorite porphyrite intrusion(J3δομ).
通过对雄村铜金矿床Ⅰ号矿体详细的地质编录和测年成果,发现雄村斑岩型铜矿床形成于晚侏罗世,矿体的形成与晚侏罗世侵位的、含眼球状石英斑晶的闪长玢岩(J3δομ)有关,成矿岩体呈不规则的岩枝状,全岩矿化,岩体中Au的平均品位大于1g/t,Cu含量大于0.7 %。
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Dapingzhang copper-polymetallic deposit hosted in spilite-quartz keratophyre formation is volcanic-hosted massive sulfide deposit, which formed during the Late Carboniferous and are contemporary with the intrusion of granodiorite-porphyry.
确定了大平掌铜多金属矿床为赋存于细碧岩-石英角斑岩中的块状硫化物矿床。矿床可能形成于晚石炭世,在时代上与花岗闪长斑岩的侵入相当。
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Most of small intrusive bodies are stocks or dikes, and each of the dimension is less than 1km2 ; they are mostly granite-porphyry、porphyritic-granite、monzogranite,a small amouts of them are quartz diorite or diorite; the chemical characters are high content of SiO2、K2O and low content of Mg and CaO, on the SiO2-K2O diagram all the samples fall in the field of high-K calc-alkalic series and shoshonite series.
小岩体多呈岩株或脉状产出,出露面积多数在1km2以下;岩性主要为花岗斑岩、似斑状花岗岩、二长花岗岩,少量为石英闪长岩及闪长岩等;岩石化学成份以高硅、富碱、多钾、贫镁、少钙为特征,属高钾钙碱性系列或钾玄岩系列。
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SHRIMP U-Pb concordia ages of the cores of rounded zircons are 620 and 219 Ma, suggesting that the parental magma for the quartz diorite porphyry may have been derived from partial melting of basement materials of the South China block that had been modified by ultrahigh-pressure metamorphism.
具有细微震荡环带岩浆锆石的SHRIMP U-Pb年龄(117.7±1.6 Ma)显示该石英闪长斑岩体的形成时间为早白垩世;浑圆状锆石核部SHRIMP U-Pb谐和年龄为620 Ma和219 Ma,这表明该石英闪长斑岩的母岩浆可能起源于经历了超高压变质作用改造的华南地块基底物质的部分熔融。
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The 207Pb/206Pb age (593Ma) of single zircon of quartz-syenite porphyry reflects that the intrusion of subvolcanics is accompanied by capture of paleo-zircon of the basement rocks, implying that the Precambrian continental basement possibly exists below Aqishan-Yamansu volcanic island arc.
而石英正长斑岩单颗粒锆石207Pb/206Pb年龄值(593Ma)反映了岩体侵位过程中捕获了基底岩石中古锆石的年龄信息。进一步推测在阿齐山-雅满苏火山岛弧之下可能存在前寒武纪陆壳基底。
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