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Geochemical searches

The three searches available from here will produce geochemical data tables, largely from published articles or from data donated to Tephrabase. This data can then be downloaded and used for comparing with your own data.

Search 1 Use this this page to search for the geochemical composition of tephra layers in north-west Europe. The search can be limited to tephra layers in a particular country if so desired. A table of geochemical data will be produced.
Search 2 This form will produce a list of sites which have tephra layers which match the geochemcial criterea you have searched on.
Search 3 This form will produce a list of tephra layers for which there are analyses which fall within the geochemical constraints you set.