PROCESS MINERALOGY OF YAZD GRANITIC SANDS

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IRANNEZHAD M.; ARABIAN M.; ALINIA F.

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Seminar Paper

Paper Information

Seminar: PROCEEDING OF IRANIAN MINING ENGINEERING CONFERENCE
Year:2005 | Issue:1

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Title

PROCESS MINERALOGY OF YAZD GRANITIC SANDS

Author(s)

IRANNEZHAD M. | ARABIAN M. | ALINIA F.

Keywords

GRANITIC SANDS

QUARTZ

FELDSPAR

MICA

CUT POINT

MICROSCOPE

PROCESS

Abstract

Located at Shirkooh, Yazd, the GRANITIC SANDS, products of weathering, have a good potential to concentrate MICA, FELDSPAR and QUARTZ. Flotation is a PROCESS to separate these minerals. Mineralogy and particle size are the most important parameters influencing the performance of the progress. The best particle size range for MICA separation is 30-600mm. Based on the microscopical studies on the thin sections, chemical and phase analysis made by XRF and XRD, the following results were obtained: - Particle size of row sands is d80=2360mm- Main minerals present in the sands are QUARTZ, FELDSPAR, MICA (biotite, phologopite and muscovite) and minor minerals are orthopyroxen, calcite, apatite and ferric oxides.- Alteration and ceritization of FELDSPAR could change the surface properties. The particles creating problems in the separation PROCESS performance.- The roundness of QUARTZ and FELDSPAR particles produced by transportation PROCESS has a good influence in the flotation PROCESS.- The quantity of MICA and FELDSPAR increased in the fractions finer than 1300 µm and conversely the content of QUARTZ is decreased.-The degree of liberation of MICA is 630mm. - Results of the chemical analysis by XRF showed that the contents of TiO2, V2O5 and Fe2O3 increased in the finer fractions as MICA increases in these fractions.- The mineralogical quantity of MICA can be estimated by the chemical analysis of TiO2 and V2O5. in this regard the following relation has been developed.(1) Mica Content (%) = TiO2 + V2O5/ 2.781 × 100 -

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APA: Copy

IRANNEZHAD, M., ARABIAN, M., & ALINIA, F.. (2005). PROCESS MINERALOGY OF YAZD GRANITIC SANDS. PROCEEDING OF IRANIAN MINING ENGINEERING CONFERENC. SID. https://sid.ir/paper/902675/en

Vancouver: Copy

IRANNEZHAD M., ARABIAN M., ALINIA F.. PROCESS MINERALOGY OF YAZD GRANITIC SANDS. 2005. Available from: https://sid.ir/paper/902675/en

IEEE: Copy

M. IRANNEZHAD, M. ARABIAN, and F. ALINIA, “PROCESS MINERALOGY OF YAZD GRANITIC SANDS,” presented at the PROCEEDING OF IRANIAN MINING ENGINEERING CONFERENC. 2005, [Online]. Available: https://sid.ir/paper/902675/en

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