搜索结果: 1-4 共查到“地球科学总论 magmatic”相关记录4条 . 查询时间(0.088 秒)
Characterization of magmatic and diffusional processes in fractionally differentiated ultramafic systems: Examples from the Grand Canyon, USA
Earth sciences Grand Canyon Magma chamber Olivine coronas Proterozoic Spinel Ultramafic
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2014/10/22
A 50 meter thick unit of Proterozoic cumulate layered wehrlite, lherzolite, and olivine websterite exposed at river mile 91 in the Ninetyone Mile Creek Canyon, a side canyon to the Grand Canyon, Arizo...
Analysis of the Gouldsboro Pluton and the Fehr Granite: Understanding the Scales of Magmatic Processes and Partial Melt Generation from the Deep to Shallow Crust
anatexis bimodalism deep crust granite microprobe migmatites
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2014/10/22
The heterogeneity of the continental crust has a first order control on the dynamics of plate tectonic processes and the compositions of the Earth in both time and space. Heterogeneity can be characte...
Geochronology and petrology of the Tielma Magmatic Complex,northern Swedish Caledonides–results andtectonic implications
Geochronology petrology Tielma Magmatic Complex andtectonic implications
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2009/12/3
In the Caledonides of Scandinavia a lower part of the nappe pile, the Middle Allochthon, consists of metasedimentary rocks and orthogneisses,transported in a southeastern direction and presumably deri...
Subduction-related Eocene shoshonites from the Cenozoic Urumieh-Dokhrat magmatic arc (Qaleh-Khargooshi area,West of the Yazd province,Iran)
shoshonite Eocene Urumieh-Dokhtar Qaleh-Khargooshi Iran
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2010/1/11
The fifth phase of Eocene volcanism in the central part of the Urumieh-Dokhtar magmatic arc (UDMA), comprises lavas with shoshonitic characteristics, ranging from trachybasalt to trachydacite. In shos...