Characterisation of micrinite in the late triassic Callide Coal Measures

Faraj, B.S.M., Mackinnon, I.D.R., & Glikson, M. (1991) Characterisation of micrinite in the late triassic Callide Coal Measures. In Griffiths, Penelope (Ed.) Queensland Coal Symposium 29-30 August 1991 Brisbane Australia <proceedings>, Australasian Institute of Mining & Metallurgy, Brisbane, QLD, pp. 3-8.

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Abstract

Samples from the Callide Coal Measures, Queensland, Australia, containing the minor maceral, micrinite, have been studied using optical and electron-optical techniques to determine the precise compositional and structural nature of micrinite when in association with vitrinite macerals. Emphasis has been placed on direct spatial correlation of optical and electron-optical data due to the fine grain size (<1μm) of micrinite and its relatively low abundance compared with other macerals in the Callide Basin coals.

Precise elemental, morphological and structural data, including electron diffraction, provides unambiguous evidence for the presence of kaolinite in the component known as micrinite. Indeed, micrinite consists predominantly of fine-grained kaolinite (>90 per cent of the component) and, as such, should not be considered a maceral.

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ID Code: 57488
Item Type: Conference Paper
Refereed: Yes
Additional Information: Conference code: 16286
Export Date: 19 February 2013
Source: Scopus
Language of Original Document: English
Correspondence Address: Faraj, B.S.M.; Univ of Queensland
Sponsors: ARCO Coal Aust Inc; Wayne Perry & Assoc NSW; Callide Coalfields; Nordberg Qld; Runge Mining, Aust Pty. Ltd; et al
Keywords: Clay Minerals, Coal Deposits Australia, Scanning Electron Microscopy, Transmission Electron Microscopy, Callide Coal Measures, Kaolinite, Late Triassic Coal, Micrinite, Vitrinite Macerals, Coal
ISBN: 0949106631
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > GEOLOGY (040300) > Mineralogy and Crystallography (040306)
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > GEOLOGY (040300) > Petroleum and Coal Geology (040309)
Divisions: Current > Institutes > Institute for Future Environments
Deposited On: 27 Feb 2013 21:44
Last Modified: 03 Apr 2013 23:31

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