Discussion of GeoScience Abstracts 2-2320. It is reaffirmed that acid reducing conditions favor alteration of ilmenite to titania. Post-depositional processes involving reducing conditions are as effective as weathering in altering ilmenite and perhaps magnetite and other Fe-Ti-bearing minerals as well as possibly feldspar. Thus the maturity of a sediment as indexed by the disappearance of these minerals can be produced by several processes.

First Page Preview

First page PDF preview
You do not currently have access to this article.