A Raman spectroscopic study of a fulgurite-Reference-Cited by-同舟云学术

A Raman spectroscopic study of a fulgurite

Published:2010-07-13 Issue:1922 Volume:368 Page:3087-3097
ISSN:1364-503X
Container-title:Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
language:en
Short-container-title:Phil. Trans. R. Soc. A.

Author:

Carter Elizabeth A.¹,Hargreaves Michael D.²,Kee Terence P.³,Pasek Matthew A.⁴,Edwards Howell G. M.²

Affiliation:

1. Vibrational Spectroscopy Facility, School of Chemistry, The University of Sydney, New South Wales 2006, Australia

2. Centre for Astrobiology and Extremophiles Research, School of Life Sciences, University of Bradford, Bradford BD7 1DP, UK

3. School of Chemistry, University of Leeds, Leeds LS2 9JT, UK

4. Department of Geology, University of South Florida, 4202 East Fowler Avenue, Tampa, FL 33620, USA

Abstract

A Raman microspectroscopic study of several fulgurites has been undertaken. A fulgurite is an amorphous mineraloid, a superheated glassy solid that is formed when a lightning bolt hits a sandy or rocky ground and thermal energy is transferred. The Raman spectra revealed several forms of crystalline and fused silica and also the presence of polyaromatic hydrocarbons found in an interfacial zone of a glass bubble. This, together with the presence of anatase, a low-temperature polymorph of TiO 2 , suggested that some regions of the fulgurite specimen were not subjected to temperatures of 1800°C, which are attained when lightning hits the surface of sand or a rock.

Publisher

The Royal Society

Subject

General Physics and Astronomy,General Engineering,General Mathematics

Link

https://royalsocietypublishing.org/doi/pdf/10.1098/rsta.2010.0022

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