Crescentic markings on the surface of quartz and garnet grains have recently been considered as suitable indicators of paleoenvironment, particularly glacial modification. A review of the literature suggests that other mechanisms can cause similar features. Considerable caution is advised when using these chattermark trails as one-step indicators of glaciation.

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

First Page Preview

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