دورية أكاديمية
Applicability of large-ion lithophile and high field strength element basalt discrimination diagrams
| العنوان: | Applicability of large-ion lithophile and high field strength element basalt discrimination diagrams |
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| المؤلفون: | X. L. Liu, Q. Zhang, W. C. Li, F. C. Yang, Y. Zhao, Z. Li, S. T. Jiao, J. R. Wang, N. Zhang, S. S. Wang, W. F. Chen, Z. J. Pan, J. Yang, X. L. Du |
| المصدر: | International Journal of Digital Earth, Vol 11, Iss 7, Pp 752-760 (2018) |
| بيانات النشر: | Taylor & Francis Group, 2018. |
| سنة النشر: | 2018 |
| المجموعة: | LCC:Mathematical geography. Cartography |
| مصطلحات موضوعية: | basalt, lile, hfse, discrimination diagram, geochemistry, Mathematical geography. Cartography, GA1-1776 |
| الوصف: | Basalt discriminant diagrams have been used to identify the tectonic setting of basaltic magmatism since the 1970s and have played an important role in reconstructing paleotectonic environments. However, the significant increase in the availability of geochemical data has led to a reassessment of these diagrams, suggesting that some of the tectonic settings indicated by these diagrams are not accurate. Here, we use a database of global ocean island basalt (OIB), mid-ocean ridge basalt (MORB), and island arc basalt (IAB) geochemistry to propose a series of new tectonic discriminant diagrams based on the ratios of large-ion lithophile elements (LILEs) to high field strength elements (HFSEs). These new diagrams indicate that the LILE can be used to differentiate OIB, MORB, and IAB samples, meaning that LILE/HFSE ratios can discriminate between these basalts that form in different tectonic settings. Our new diagrams can correctly assign samples to OIB, MORB, and IAB categories more than 85% of the time, with the discrimination between OIB and MORB having an accuracy of slightly less than 85%. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 1753-8947 1753-8955 17538947 |
| Relation: | https://doaj.org/toc/1753-8947; https://doaj.org/toc/1753-8955 |
| DOI: | 10.1080/17538947.2017.1365959 |
| URL الوصول: | https://doaj.org/article/93178d732e8844e8a8f22a64a9283460 |
| رقم الأكسشن: | edsdoj.93178d732e8844e8a8f22a64a9283460 |
| قاعدة البيانات: | Directory of Open Access Journals |
PDF full text from Publisher | تدمد: | 17538947 17538955 |
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| DOI: | 10.1080/17538947.2017.1365959 |