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Article: New ocean research study findings recently were reported by H. Wani and co-researchers.
- Article from:
- Ecology, Environment & Conservation
- Article date:
- July 10, 2009
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"Petrographic analysis and chemical analysis of major and trace elements including rare earth elements of the Neoproterozoic sandstones from the Chandarpur Group and the Tiratgarh Formation have been carried out to determine their provenance, tectonic setting and weathering conditions. All sandstone samples are highly enriched in quartz but very poor in feldspar and lithic fragments," scientists writing in the journal Island Arc report.
"Petrographically and geochemically these sandstones are classified as subarkose, sublitharenite and arenite. The Chemical Index of Alteration (CIA mean 68) and Th/U ratios (mean 4.2) for these sandstones suggest their moderate ...