锆石与熔体之间的钛分离：高温下的实验研究

IF 1 4区地球科学 Q3 GEOCHEMISTRY & GEOPHYSICS

Petrology Pub Date : 2024-07-15 DOI:10.1134/S0869591124700085

A. A. Borisov, S. E. Borisovskiy

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引用次数: 0

摘要

在 1300 和 1400°С 温度和 1 atm 总压下，进行了锆石和硅酸盐熔体之间的钛分配实验。此外，还测量了一些实验系列（Borisov 和 Aranovich，2019 年）中锆石的钛含量，并对实验文献进行了批判性分析。结果表明，在高温（1200-1450°С）条件下，无论压力、熔体成分和含水量如何，DTi 值都在 0.02 至 0.04 之间。根据获得的数据，再次证明了锆石不可能从高温碱性熔体中结晶。结果表明，"锆石中的钛 "地温计无法描述我们实验锆石中的钛含量，也可能无法应用于总压为 1 atm 的干燥高钛熔体。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Titanium Partitioning between Zircon and Melt: an Experimental Study at High Temperatures

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Titanium Partitioning between Zircon and Melt: an Experimental Study at High Temperatures

Experiments on titanium partitioning between zircon and silicate melt were conducted at temperatures 1300 and 1400°С at 1 atm total pressure. Additionally, the Ti content in zircons of a few experimental series from (Borisov and Aranovich, 2019) was measured and a critical analysis of experimental literature was carried out. It was demonstrated that at high temperatures (1200–1450°С) D^Ti values lie in the range from 0.02 to 0.04 regardless of pressure, melt composition, and water content. Based on obtained data, the impossibility of zircon crystallization from high temperature basic melts once more was shown. It was shown that “Ti in zircon” geothermometer cannot describe Ti content in our experimental zircons and, possibly, cannot be applied to dry high-titanium melts at 1 atm total pressure.

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来源期刊

Petrology 地学-地球科学综合

CiteScore

2.40

自引率

20.00%

发文量

审稿时长

>12 weeks

期刊介绍： Petrology is a journal of magmatic, metamorphic, and experimental petrology, mineralogy, and geochemistry. The journal offers comprehensive information on all multidisciplinary aspects of theoretical, experimental, and applied petrology. By giving special consideration to studies on the petrography of different regions of the former Soviet Union, Petrology provides readers with a unique opportunity to refine their understanding of the geology of the vast territory of the Eurasian continent. The journal welcomes manuscripts from all countries in the English or Russian language.