Abstract
A number of meteorites from the desert of Oman, classified as H-chondrites, with known and unknown ages, were studied by using 57Fe Mössbauer spectroscopy to determine their Fe3+-bearing compositions. Mössbauer spectra measured at 78 K were composed of paramagnetic doublets superimposed on magnetic sextets. The doublets are assigned to the silicate minerals olivine and pyroxene and Fe3+ phases. The magnetic sextets in most samples showed the presence of at least three magnetic phases, namely troilite, magnetite and kamacite, which commonly exist in most ordinary chondrites. The relative amounts (area %) of Fe3+ in the known-age meteorites, determined from the Mössbauer spectra, were plotted against their terrestrial ages. The plot was used to estimate the terrestrial ages of meteorites with unknown terrestrial age.
Keywords
Publication details
- DOI
- 10.24200/squjs.vol25iss1pp48-53
- Journal
- Sultan Qaboos University Journal for Science, 25(1), 48
- Publisher
- Sultan Qaboos University
- Open access
- Gold open access
- License
- CC BY 4.0
Cite this article
APA 7
Al-Rawas, A. D., Gismelseed, A. M., Nasir, S., Yousif, A., Elzain, M. E., Widatallah, H. M., Al‐Kathiri, A., & Al-Riyami, S. (2020). Mössbauer Study of Weathered H-meteorite from the Desert of Oman. Sultan Qaboos University Journal for Science, 25(1), 48. https://doi.org/10.24200/squjs.vol25iss1pp48-53
MLA 9
Al-Rawas, A. D., et al. "Mössbauer Study of Weathered H-meteorite from the Desert of Oman." Sultan Qaboos University Journal for Science, vol. 25, no. 1, 2020, pp. 48. https://doi.org/10.24200/squjs.vol25iss1pp48-53.
Chicago (author–date)
Al-Rawas, A. D., Abbasher Mahmoud Gismelseed, Subhi Nasir, Ali Yousif, Mohamed E. Elzain, Hisham M. Widatallah, A. Al‐Kathiri, and Susan Al-Riyami. 2020. "Mössbauer Study of Weathered H-meteorite from the Desert of Oman." Sultan Qaboos University Journal for Science 25 (1): 48. https://doi.org/10.24200/squjs.vol25iss1pp48-53.
Harvard
Al-Rawas, A. D., Gismelseed, A. M., Nasir, S., Yousif, A., Elzain, M. E., Widatallah, H. M., Al‐Kathiri, A. and Al-Riyami, S. (2020) 'Mössbauer Study of Weathered H-meteorite from the Desert of Oman', Sultan Qaboos University Journal for Science, 25(1), pp. 48. doi:10.24200/squjs.vol25iss1pp48-53.
Vancouver
Al-Rawas AD, Gismelseed AM, Nasir S, Yousif A, Elzain ME, Widatallah HM, et al. Mössbauer Study of Weathered H-meteorite from the Desert of Oman. Sultan Qaboos University Journal for Science. 2020;25(1):48. doi:10.24200/squjs.vol25iss1pp48-53
IEEE
A. D. Al-Rawas, A. M. Gismelseed, S. Nasir, A. Yousif, M. E. Elzain, H. M. Widatallah, A. Al‐Kathiri, and S. Al-Riyami, "Mössbauer Study of Weathered H-meteorite from the Desert of Oman," Sultan Qaboos University Journal for Science, vol. 25, no. 1, pp. 48, 2020, doi: 10.24200/squjs.vol25iss1pp48-53.