Stratified glacimarine basin-fills in West Greenland fjords

Ó Cofaigh, C.; Hogan, K.A. ORCID:; Dowdeswell, J.A.; Streuff, K.. 2016 Stratified glacimarine basin-fills in West Greenland fjords. In: Dowdeswell, J.A.; Canals, M.; Jakobsson, M.; Todd, B.J.; Dowdeswell, E.K.; Hogan, K.A., (eds.) Atlas of submarine glacial landforms: modern, Quaternary and ancient. London, Geological Society of London, 99-100. (Geological Society Memoir, 46).

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Acoustically stratified sediments that infill glacially eroded bedrock basins are common in fjords (Seramur et al. 1997; Gilbert et al. 1998; Hogan et al. 2012; Dowdeswell & Vasquez 2013). Internally, such stratified sediments are often characterized by relatively smooth reflections that parallel the seafloor. Sills between basins usually comprise bedrock, sometimes covered by a thin veneer of glacimarine sediment and/or till. Fjords in West Greenland, including Rink Fjord and Vaigat, contain bedrock basins infilled by acoustically stratified sediment (Fig. 1). The basin fills are a product of rain-out from turbid meltwater plumes, probably supplemented by iceberg-rafting and downslope resedimentation.

Item Type: Publication - Book Section
Digital Object Identifier (DOI):
Programmes: BAS Programmes > BAS Programmes 2015 > Palaeo-Environments, Ice Sheets and Climate Change
ISBN: 9781786202680
Date made live: 04 Jan 2017 14:43 +0 (UTC)

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