Sources of flint in Britain and Ireland: A quantitative assessment of geochemical characterisation using acid digestion inductively coupled plasma-mass spectrometry (ICP-MS)

•ICP-MS analysis of flint from Britain and Ireland can distinguish between different flint sources.•Flint from Britain and Ireland can be distinguished on the basis of trace element concentrations.•Flint from different Chalk provinces within Ireland can be differentiated.•Flint from different Chalk provinces within Britain can be differentiated.