Prior to 1960, geologists Bowen and Hess disagreed over whether or not the very high temperatures needed to produce magmas rich in magnesium could have existed on Earth.
在1960年之前，地质学家鲍温和赫斯在地球上是否存在产生富含镁的岩浆所需的高温这一问题上存在分歧。
Normally, he said, volcanologists have to do "postmortem studies" of long-solidified magmas or study active lava.
据马施的经验，一般情况下，火山学家只能就凝结成岩的岩浆做一些“马后炮”的工作，或者在火山喷发的时候以熔岩为研究材料。
Metamorphic dehydration in subduction zones plays a significant role in the genesis of slab-derived fluids and the generation and evolution of arc magmas.
俯冲带变质脱水作用对俯冲带的流体形成、岩浆起源和演化起着重要的控制作用。
This suggests that the different REE fluorites were products of the same source, and REE ore-forming fluids were related to carbonatite and syenite magmas.
这些表明不同稀土特征的萤石来自相同的源区，稀土成矿流体与碳酸岩和正长岩岩浆存在密切联系。
How does Etna produce its fiery mix of magmas?
埃特纳如何制造出它炙热的混合岩浆呢？
The first stage was mixing of gabbroic and granitic magmas, which formed dioritic rock;
第一期为辉长质与花岗质岩浆混合，并生成闪长质岩石；
The metallogenic materials are mainly from the deep magmas and the rest from upper crust.
成矿物质主要来源于深部岩浆，有部分地壳物质的加入。
One possibility is that the two magmas form at different locations and mix somewhere within Etna's plumbing system.
一种可能性是这两种岩浆在不同位置形成，然后在埃特纳结构系统里的某处混合。
The volcanic magmas were derived from the middle crust with a high maturity through partial melting of crustal material.
火山岩岩浆起源于成熟度较高的中地壳位置，成岩物质来源于地壳，为部分熔融作用的产物。
However, the temperatures and oxygen fugacity of magmas at high level magma chamber decreased along with fractional crystallization.
但在高位岩浆房中，随着分离结晶作用的进行，岩浆的温度和氧逸度逐渐降低。
The volcanic magmas, including calcium-alkali magmatic series and sub-alkali magmatic series, were derived from the enriched mantle.
本区火山岩浆可划分为钙碱性岩浆系列和亚碱性岩浆系列，火山岩浆源于富集型地幔；
The traditional platinoid mineral resources are referred to as the platinoid mineral resources associated with the mineralization of mafic magmas.
传统型铂族矿产，系指与镁铁质岩浆成矿作用有关的铂族矿产资源。
The study of the geochemistry for typical Meso Cenozoic volcanic rocks from northern Erlian basin shows that the main magmas are acidic to neutral.
对二连盆地北部地区中、新生代典型火山岩地球化学研究表明，该区中、新生代强烈的岩浆活动以酸性、中性火山岩为主。
The evidences indicate that the magmas are formed by melting of pyrolite and eclogite (ancient basaltic oceanic crust) in the axial zone of mantle plume.
这说明它们是在地幔柱轴部，由地幔岩和榴辉岩(古玄武质洋壳)组成的源区产生的岩浆形成的。
The emplacement mechanism for granitoid, magmas is determined by rheological behaviour of the magma and the host rock as well as the tectonic, environment.
花岗质岩浆的上升、侵位机制除取决于岩浆与围岩的流变性质外，也受构造环境的制约。
Therefore, the magmas were the product of low partial melting of mafic eclogite at the base of the thickened crust, and their magma sources were affected by fluids.
因此，岩浆起源于加厚地壳底部榴辉岩相镁铁质岩石的低度部分熔融，且岩浆源区受到了流体的影响。
The interplay between the two leads to the formations of fluid outer core, basalt magmas, oceanic crust, and differential rotation between the inner core and mantle.
这两者之间的相互作用导致了流体外核的形成、玄武岩浆的产生、洋壳的形成、以及内核和地幔之间的差异旋转运动。
The process of generation and differentiation of granitoid magmas is con trolled not only by physical-chemical condition, but also is related to regional tectonic event.
花岗质岩浆的生成、分异过程不仅与物理-化学条件有关，而且受控于区域构造。
Perhaps there are no lamprophyre magmas, and lamprophyres derive from common basic magmas which are contaminated by the crust in their source or the process of emplacement.
而煌斑岩原始岩浆可能并不存在，煌斑岩是普遍类型的基性岩浆在源区或侵位过程中遭受地壳混染的衍生物；
The results of electron microprobe analyses of homogenized inclusions indicate that magmas trapped in the early crystallized pyroxene phenocrysts are evidently more acidic than host rocks.
均一化包裹体电子探针分析结果显示，早期结晶的辉石斑晶所捕获的岩浆的酸性程度明显高于全岩。
The results of electron microprobe analyses of homogenized inclusions indicate that magmas trapped in the early crystallized pyroxene phenocrysts are evidently more acidic than host rocks.
均一化包裹体电子探针分析结果显示，早期结晶的辉石斑晶所捕获的岩浆的酸性程度明显高于全岩。
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