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  • Banded Iron Formation to Blue Dust: Mineralogical and

    2009.12.1  High-grade iron ores such as blue dust seem to be formed during leaching processes through inter-bedded ferruginous shale and banded hematite jasper (BHJ) occurring within BIFs.

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  • The Nature and Origin of the Blue Dust in Precambrian

    Abstract. In the course of study of the Precambrian sedimentary iron ore deposits of Noamundi in Singhbhum district of Bihar and of Goa, extensive occurrences of powdery

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  • Mineralogical Characteristics of Iron Ores in Joda and Khondbond

    2010.5.21  Hard massive, flaky-friable, blue dust, lateritic and goethitic ores are the major iron ore types occur in the study area. The massive hard and blue dust ores

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  • A submarine hydrothermal origin of banded iron ... - ScienceDirect

    2022.11.1  In iron ores, Fe 2 O 3 concentration ranges from 87 to 96 wt% in hard laminated ore and blue dust, 86 to 90 wt% in soft laminated ore, 57 to 79 wt% in lateritic

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  • Banded Iron Formation to Blue Dust: Mineralogical and

    2009.12.1  Field observations and subsequent laboratory investigations indicate that in this region, the Blue Dust deposits occur as pockets or lenses of varying dimensions

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  • Banded Iron Formation to Blue Dust: mineralogical and

    2013.7.18  Banded Iron Formation to Blue Dust: mineralogical and geochemical constraints from the Precambrian Jilling-Langalata Deposits, Eastern Indian Craton.

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  • Major element constituents of Blue Dust samples, wt

    The iron ore deposits forms part of Pre-Cambrian iron ore formations occurring as narrow, highly deformed and metamorphosed belts with in Archaean granulites and gneisses older then 3,000...

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  • Minerals Free Full-Text Geological Controls on High

    2017.10.18  XRD patterns of iron ore samples from Kiriburu-Meghahatuburu iron ore deposit shows the presence of quartz (Q), kaolinite (K), gibbsite (Gb), hematite (Hm) and goethite (Go) in: (A) blue dust (BD

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