"The mosaic texture and lack of clastic heavy accessory minerals indicate that the quartzose phase of the itabirite is recrystallized chert rather than clastic quartz." Thus this pre-Cambrian high-grade iron ore is more closely related to similar iron formations in other parts of the world.

This content is PDF only. Please click on the PDF icon to access.

First Page Preview

First page PDF preview
You do not have access to this content, please speak to your institutional administrator if you feel you should have access.