© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/ ...

© 2020 Tomsk Polytechnic University, Publishing House. All rights reserved. Relevance. Diatomites and their transitional differences formed in the Paleocene-Eocene marine basin are one of the most widespread in the ...

© 2018, Science Press, Institute of Geochemistry, CAS and Springer-Verlag GmbH Germany, part of Springer Nature. This paper presents lithologic and geochemical data from the sequence of the Eocene Irbit formation siliceous ...