Fourier-transform infrared spectroscopic characterization of naturally occurring glassy fulgurites
We report here for the first time the spectroscopic characterization of natural fulgurites of Garuamukh. On April 22, 2005 at 04:00 local time, large amounts of black-brown colour of colloidal solution came out from below the earth’s surface at Garuamukh near Nagaon town (latitude 26°20′39″N, longit...
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| Veröffentlicht in: | Bulletin of materials science 2008-04, Vol.31 (2), p.155-158 |
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| creator | Saikia, B. J. Parthasarathy, G. Sarmah, N. C. Baruah, G. D. |
| description | We report here for the first time the spectroscopic characterization of natural fulgurites of Garuamukh. On April 22, 2005 at 04:00 local time, large amounts of black-brown colour of colloidal solution came out from below the earth’s surface at Garuamukh near Nagaon town (latitude 26°20′39″N, longitude 92°41′39″E, Assam, India) with fire and smoke. This colloidal solution got transformed into fulgurites, glassy material, within a few hours. We present here the characterization of the fulgurites by Fourier transform infrared (FTIR) absorption, X-ray diffraction and X-ray fluorescence methods. The amorphous nature of the substance has been confirmed by Fourier transform infrared spectra of the fulgurites, which exhibit prominent absorption band in the region 400–1200 cm
−1
, the basic component of amorphous silica. The present study might have significant implications in understanding the thermodynamic properties of naturally occurring glasses, which are formed by shock metamorphism. |
| doi_str_mv | 10.1007/s12034-008-0027-z |
| format | Article |
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−1
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−1
, the basic component of amorphous silica. The present study might have significant implications in understanding the thermodynamic properties of naturally occurring glasses, which are formed by shock metamorphism.</description><subject>Absorption spectra</subject><subject>Chemistry and Materials Science</subject><subject>Colloids</subject><subject>Engineering</subject><subject>Fourier transforms</subject><subject>Fulgurite</subject><subject>Glassy</subject><subject>Infrared</subject><subject>Infrared spectra</subject><subject>Infrared spectroscopy</subject><subject>Materials Science</subject><subject>Shock metamorphism</subject><subject>Smoke</subject><subject>Spectroscopy</subject><subject>Spectrum analysis</subject><subject>Thermodynamic properties</subject><subject>X-ray fluorescence</subject><subject>X-rays</subject><issn>0250-4707</issn><issn>0973-7669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kE1LAzEQhoMoWD9-gLfFk5fVycduskcpVoWCFz2HNJvUlO1mnewe2l9vSgVB8BAmh-d9Z3gIuaFwTwHkQ6IMuCgBVH5MlvsTMoNG8lLWdXOa_6yCUkiQ5-QipQ0AbYSgM7JaxAmDw3JE0ycfcVuE3qNB1xZpcHbEmGwcgi3sp0FjR4dhb8YQ-yL6ojfjhKbrdkW0dkIM_bpYdyalXeGnbp2bR5euyJk3XXLXP_OSfCye3ucv5fLt-XX-uCytqORYGlU7yxrOrKCyqWFVK9pauWopE5Rarzw1RjJmeMUVeCUUBwnggSvGRCv5Jbk79g4YvyaXRr0NybquM72LU9K0lpRJUQue0ds_6CZr6PN1WuXdvGJKZYgeIZsdJHReDxi2Bneagj5I10fpOkvXB-l6nzPsmEnDQYbD3-L_Q98biIY_</recordid><startdate>20080401</startdate><enddate>20080401</enddate><creator>Saikia, B. 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We present here the characterization of the fulgurites by Fourier transform infrared (FTIR) absorption, X-ray diffraction and X-ray fluorescence methods. The amorphous nature of the substance has been confirmed by Fourier transform infrared spectra of the fulgurites, which exhibit prominent absorption band in the region 400–1200 cm
−1
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| source | Indian Academy of Sciences; Springer Nature - Complete Springer Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Free Full-Text Journals in Chemistry; ProQuest Central |
| subjects | Absorption spectra Chemistry and Materials Science Colloids Engineering Fourier transforms Fulgurite Glassy Infrared Infrared spectra Infrared spectroscopy Materials Science Shock metamorphism Smoke Spectroscopy Spectrum analysis Thermodynamic properties X-ray fluorescence X-rays |
| title | Fourier-transform infrared spectroscopic characterization of naturally occurring glassy fulgurites |
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