About the Cover
ON COVER - Grain-scale image of clinoforms viewed along dip from an experimental deposit, St. Anthony Falls Laboratory, University of Minnesota. The light-colored material is fine sand and the dark grains are coal. Scale independence of stratal terminations, such as erosional truncation, onlap, and downlap, is visible and permits use of sequence stratigraphic methods at experimental scales. In this issue (Martin et al., p. 503) stratal disconformities are lonked to the known history of basin filling to evaluate their temporal significance, which is often inextricable from the ancient record. Image courtesy of James Mullin.
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Copyright © 2009 by American Association of Petroleum Geologists (AAPG)
