搜索结果: 1-4 共查到“地球物理学 Sr-Nd”相关记录4条 . 查询时间(0.078 秒)
兴蒙造山带中段锡林浩特跃进地区出露一套石炭纪侵入岩，具有类似岛弧侵入岩的岩石组合(花岗闪长岩、英云闪长岩、石英闪长岩)和地球化学特征.锆石LA-MC-ICP-MS U-Pb测年结果表明，这套侵入岩形成时代为310~330 Ma，属于石炭纪中晚期.岩石地球化学分析表明，跃进侵入岩属于钠质钙碱性系列岩石；A/CNK范围为0.86~1.17，大多属于准铝－弱过铝质系列；样品均具有较高的Mg#值，范围为4...
Geochronology, Geochemistry and Sr-Nd-Pb-Hf Isotopes of No. I Complex from the Shitoukengde Ni–Cu Sulfide Deposit in the Eastern Kunlun Orogen, Western China: Implications for the Magmatic Source, Geodynamic Setting and Genesis
Sr-Nd-Pb-Hf isotopes crustal contamination oceanic slab break-off post-collisional extension Shitoukengde Ni-Cu deposit Eastern Kunlun Orogen
2018/4/10
The Shitoukengde Ni-Cu deposit, located in the Eastern Kunlun Orogen, comprises three mafic–ultramafic complexes, with the No. I complex hosting six Ni-Cu orebodies found recently. The deposit is host...
The 3550 year BP-1944 A.D.magma-plumbing system of Somma-Vesuvius: constraints on its behaviour and present state through a review of Sr-Nd isotope data
Somma-Vesuvius magma chamber crustal contamination
2015/9/15
Vesuvius, dominating the densely-populated Neapolitan area, is one of the most dangerous volcanoes in the World. Its destructive power derives from energetic subplinian and plinian eruptions, such as ...