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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-23 18:09 |
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Conference: Bucharest University Faculty of Physics 2019 Meeting
Section: Nuclear and Elementary Particles Physics
Title:
Complex analysis of vesicular basalt sample
Authors:
Daniel STOICESCU(1), Florin CONSTANTIN(1), Octavian DULIU(2)
*
Affiliation:
1) Horia Hulubei-National Institute of Physics and Nuclear Engineering, 077125 Bucharest-Măgurele, Romania
2) Faculty of Physics, University of Bucharest, 077125 Bucharest-Măgurele, Romania
E-mail
daniel.stoicescu18@gmail.com
Keywords:
vesicular basalt, computed tomography, mid-ocean ridged basalt
Abstract:
To obtain more data on recent volcanic rocks concerning both texture and elemental chemical composition, a sample of Iceland vesicular basalt was investigated by computed tomography (CT), energy dispersive X-ray fluorescence analysis (EDX) and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). CT preliminary results evidenced a lacunar texture consisting of empty vesicles and multiple micro-fractures, EDX proved the dominance of Mg, Al, Si and Fe suggesting the presence of olivine while LA-ICP-MS showed the presence of a positive Eu anomaly. All these findings were in good agreement with the mafic character of recent basalts, close to the Atlantic Mid-Ocean Ridge Basalt (MORB), where the Iceland is situated.
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