Acta Geologica Polonica publishes original papers on all aspects of geology. These papers must not have been published or submitted for publication elsewhere, in entirety or in part. The articles should be of moderate length (up to 80 manuscript pages). Longer manuscripts may be accepted but authors should consult the editor before submitting these.Acta Geologica Polonica is now (beginning with volume 54(1) for 2004) in the following Thomson ISI products: Science Citation Index-Expanded (SCIE), including the Web of Science, Current Contents/Physical, Chemical & Earth Sciences, ISI Alerting Services.