The Channel Bed – Contaminant Transport and Storage

Preface: Ichnology, trace fossils and depositional environments

“…With respect to exploration, they cause a high peak in gamma-ray logs that can easily be misinterpreted to represent a clay-rich bed having seal properties; only when applying spectral gamma-ray tools it becomes evident that the high gamma-ray peak is caused by uranium and thorium rather than potassium. Also other heavy minerals can become enriched due to bioturbation in IHS or even point bar deposits and hence, may form potential placer deposits (e.g., Miller and Orbock Miller, 2007). From the 'academic' point of view, the enrichment of zircons provides large grain populations suitable for age dating and provenance studies.…”