The Geological Survey of Finland (GTK) is a European centre of excellence in assessment, research and sustainable use of Earth resources. Our mission is to produce and disseminate geological information for industry and society that promotes systematic and sustainable use of crustal resources and the national geological endowment. Our research programmes are geared to creation of innovative technology and applications. We serve as Finland’s national geoscientific information centre and participate actively in international research and project work. GTK is an agency of Finland’s Ministry of Employment and the Economy.