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Mineral compositions for metamorphosed lower crustal xenoliths, central Montana, USA

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DataONE2021-01-18 更新2024-06-08 收录
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Abstract: These data are mineral compositions measured by electron microprobe, presented in the 2011 publication in Contributions to Mineralogy and Petrology by Blackburn et al., and in the 2012 publication in Geochemistry, Geophysics, and Geosystems by Mahan et al. The samples are from the Sweetgrass Hills and Homestead xenolith localities in central Montana, hosted by Eocene volcanics. The mineral chemistry was analyzed as part of an effort to help constrain the age, thermal evolution, metamorphic history, and physical properties (e.g., seismic velocities) of Montana deep crust. Geochronology data for some of these samples are also presented in the Contributions to Mineralogy and Petrology publication. Another related publication with similar data for additional samples is the 2012 Lithosphere article by Barnhart et al. Other Description: K. H. Mahan, V. Schulte-Pelkum, T. J. Blackburn, S. A. Bowring, and F. O. Dudas, 2012, "Seismic structure and lithospheric rheology from deep crustal xenoliths, central Montana, USA." Geochemistry, Geophysics, Geosystems, 13(10). T. J. Blackburn, S. A. Bowring, 2011, "U-Pb thermochronology: creating a temporal record of lithosphere thermal evolution", Contributions to Mineralogy and Petrology, 162(3), p. 479-500.

摘要:本数据集包含通过电子探针(electron microprobe)测定的矿物成分数据,相关研究成果分别发表于2011年《矿物学与岩石学论丛(Contributions to Mineralogy and Petrology)》期刊的Blackburn等人研究,以及2012年《地球化学、地球物理学与地球系统(Geochemistry, Geophysics, and Geosystems)》期刊的Mahan等人研究。样品采自美国蒙大拿州中部的斯威特格拉斯丘陵(Sweetgrass Hills)与霍姆斯特德捕虏体产地,赋存于始新世火山岩中。本次矿物化学分析作为研究工作的一部分,旨在约束蒙大拿州深部地壳的形成年代、热演化历史、变质作用历程以及物理性质(如地震波速度)。部分样品的地质年代学数据也发表于上述《矿物学与岩石学论丛(Contributions to Mineralogy and Petrology)》期刊的研究中。另有一篇2012年发表于《岩石圈(Lithosphere)》期刊、由Barnhart等人完成的相关论文,包含了额外样品的同类数据。 其他说明: 1. K·H·马汉(K. H. Mahan)、V·舒尔茨-佩尔库姆(V. Schulte-Pelkum)、T·J·布莱克本(T. J. Blackburn)、S·A·鲍林(S. A. Bowring)与F·O·杜达斯(F. O. Dudas),2012年,《美国蒙大拿州中部深地壳捕虏体的地震结构与岩石圈流变学》,《地球化学、地球物理学与地球系统(Geochemistry, Geophysics, and Geosystems)》,13(10)。 2. T·J·布莱克本(T. J. Blackburn)与S·A·鲍林(S. A. Bowring),2011年,《U-Pb热年代学:构建岩石圈热演化的时间记录》,《矿物学与岩石学论丛(Contributions to Mineralogy and Petrology)》,162(3),第479-500页。

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2021-01-18
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