Petrography, geochemistry, and Hf-Nd isotope evolution of drill core samples and target rocks from the El'gygytgyn impact crater, NE Chukotka, Arctic Russia

Funding

This work was supported by the Austrian Science Foundation (FWF), project P21821-N19. Drilling and logistics were supported by International Continental Drilling Program, National Science Foundation, the German Ministry of Research and Education, the Austrian Ministry of Science and Research, the Russian Foundation for Basic Research, and the Russian Academy of Sciences. Drilling was performed by DOSECC, Inc. We especially thank Eugene Gurov (Kiev) for providing the target rock samples and for much help and advice during the study of El'gygytgyn over the past years. We also thank D. Mader for the assistance with INAA; P. Nagl for XRF analysis; H. Rice for SEM assistance; and W. U. Reimold, U. Raschke, and P. Zaag (Natural History Museum, Berlin, Germany) for the helpful discussions on the core stratigraphy. We are grateful to J. W. Horton Jr., L. Hecht, and R. Schmidt, as well as associate editor W. U. Reimold, for helpful reviews and comments.