岩浆弧
- 网络magmatic arc
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广西凭祥地区早二叠世的岩浆弧及其构造意义
Early Permian magmatic arc in pingxiang , guangxi and Its Tectonic Implications
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柴达木地块东南缘岩浆弧(带)形成的动力学背景
Analysis of dynamic backgrounds of magmatic arc in the southeastern margin of Qaidam massif
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构造环境环境判别结果表明其形成于大陆边缘岩浆弧。
Tectonic discrimination shows that it was formed in the continental marginal arc .
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南天山晚古生代岩浆弧的确认及其意义
Establishment of the late Paleozoic magmatic arc in the southern Tianshan and its significance
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火山岩盆地出现于区域性走滑剪切和环太平洋岩浆弧背景下。
The volcanic basins were developed under the setting of regional strike slip and circum Pacific magma arc .
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白垩纪火山岩形成在一个造山环境,是南设得兰岩浆弧的一部分。
These rocks were formed at a orogenic environment being a part of the South Shetland magmatic arc .
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大别山北麓的奥陶纪岩浆弧:侵入岩年代学和地球化学证据
An Ordovician magmatic arc at the northern foot of Dabie mountains : Evidence from geochronology and geochemistry of intrusive rocks
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较为系统的地球化学研究结果显示,其为次铝质岩石、钙碱性系列,属I型花岗岩,构造环境类似于岩浆弧花岗岩。
So the granite belongs to I-type granite , which formed in a tectonic environment resembling that of magmatic arc granite .
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在岩浆弧岩石成因体系中,这样的熔融条件最可能出现在板块俯冲的初始阶段。
In the arc petrogenesis system , such melting conditions are most likely to occur in the initial stage of slab subduction .
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据此,再造了造山带的形成过程与演化历史:印支期的大规模俯冲造山作用(238~210Ma),形成义敦火山岩浆弧;
The formation and evolution were reconstructed . A large-scale Indosinian subduction-orogenesis led to the formation of the Yidun magmatic arc ( 238-210 Ma ) .
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青臧高原冈底斯南缘火山-岩浆弧带曾经历了非常复杂的演化过程,特别是洋&陆转换历史。
The volcanic-magma arc belts on southern margin of Gangdisi had ever gone through greatly complicated course of evolvement , especially history of ocean-continent conversion .
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班公湖-怒江结合带北侧陆缘火山-岩浆弧带的厘定及其意义
The delineation and significance of the continental - margin volcanic - magmatic arc zone in the northern part of the Bangong - Nujiang suture zone
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晚古生代&早中生代发育的双岩浆弧是在同一动力学机制下不同阶段形成的造山岩浆弧:陆缘的钙碱性岩浆弧和陆内的高钾钙碱性岩浆弧。
Double magmatic arcs , which were formed in Late Paleozoic Early Mesozoic era , were orogenic magmatic arcs at different stages in the same geodynamic mechanism .
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岩浆形成于大陆弧的构造背景,俯冲的陆壳和古特提斯洋壳对富集的源区均有贡献。
Both subducted continental and ancient Tethyan oceanic crust contributed to enriched mantle source region .
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尽管理论上这样大规模的地幔岩浆可形成在大陆岩浆弧、地幔柱或大陆裂谷环境,只有地幔柱模式才能合理地解释东部陆块和阴山陆块新太古代基底岩石时空分布、岩石组合和构造特征。
Although theoretically such mantle-derived magmas form under continental magmatic arc , mantle plume or continental rift environments , only a mantle plume model can reasonably explain spatial and temporal distribution , lithological association , and structural features of the Late Archean basement rocks in the Eastern and Yinshan Blocks .
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太行山造山带被大多数学者称为构造岩浆带,被认为是中生代环太平洋岩浆弧的组成部分。
Taihangshan orogen , called tectonomagmatic belt by most of geologists , is thought to be a part of Mesozoic circum Pacific magmatic arc .