A Comparison between X-Ray Diffraction and Petrography Techniques Used to Determine the Mineralogical Composition of Granite and Comparable Hard Rocks

Pedro M. Amaral; Jorge Cruz Fernandes; Luis Guerra Rosa

doi:10.4028/www.scientific.net/MSF.514-516.1628

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A Comparison between X-Ray Diffraction and Petrography Techniques Used to Determine the Mineralogical Composition of Granite and Comparable Hard Rocks
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HomeMaterials Science ForumMaterials Science Forum Vols. 514-516A Comparison between X-Ray Diffraction and...

A Comparison between X-Ray Diffraction and Petrography Techniques Used to Determine the Mineralogical Composition of Granite and Comparable Hard Rocks

Abstract:

Petrography and X-ray diffraction techniques are used in this work to determine the mineralogical composition of a granite, a gabbro and a quartzite. The experimental difficulties and the results obtained by both methods are described and discussed. The semi-quantitative procedure of XRD analysis used in this work allows an estimate of the relative mineral phase composition of each type of rock. Petrography was found to be crucial in terms of textural analysis.

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Periodical:

Materials Science Forum (Volumes 514-516)

Pages:

1628-1632

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.514-516.1628

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Online since:

May 2006

Authors:

Pedro M. Amaral, Jorge Cruz Fernandes, Luis Guerra Rosa

Keywords:

Hard Rocks, Mineralogical Composition, Petrography, X-Ray Diffraction (XRD)

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References

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