Traditional views of glacigenic processes focus on erosion of hard bedrock and deposition of unconsolidated till. In the 1960s and 1970s attention was directed towards the glacier debris cascade, which linked these two end members. A limited understanding of the relationship between bedrock character, the supposed processes of erosion, debris comminution and texture emerged. In the 1980s researchers began to appreciate the important role which glaciotectonism plays in the spectrum of glacigenic processes, although little attention has been paid to the interface between glacial erosion, glaciotectonism and the early stages of the debris cascade system. A coastal section at Fanore, County Clare, Ireland affords a unique opportunity to examine a range of glacial deposits which represent a series in the erosion, tectonism and comminution stages of till genesis. Major elements of the site are bedrock rafts, glaciotectonic breecias, immature till and mature till. In all cases > 98% of the elements comprise Carboniferous limestone. Research at Fanore has focused on textural properties. Analysis of bulk samples of the sediments demonstrates a continuum of textural development from the glaciotectonism of the bedrock (breecia production and bedrock raft comminution) to a homogenized but immature till and to a more mature matrix‐dominated deposit.
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