Thu 29 Jan, 2015 05:01 pm - can anyone explain why quartz appears in both small and large bands in the banded iron formations, ie why did some quartz bands crystallize faster than others? (view)
Thu 29 Jan, 2015 04:48 am - I am looking at a thin section of a Banded Iron Formation, and there are regions fine grained Quartz in between regions of coarse grained Quartz within the same band. Why is this? Also present in... (view)
