Two spinel populations from the Cretaceous-Paleogene (K/T)...

RUSSIAN JOURNAL OF EARTH SCIENCES VOL. 9, ES2002, doi:10.2205/2007ES000297, 2007

Two spinel populations from the Cretaceous-Paleogene (K/T) boundary clay layer in the Gams stratigraphic sequence, Eastern Alps

A. F. Grachev¹, V. A. Tselmovich², O. A. Korchagin³, and H. A. Kollmann⁴

¹Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, Moscow, Russia
²Geophysical Observatory, Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, Borok, Yaroslavl oblast, Russia
³Geological Institute, Russian Academy of Sciences, Moscow, Russia
⁴Museum of Natural History, Vienna, Austria

Received 21 September 2007; accepted 9 November 2007; published 20 November 2007.

Keywords: K/T boundary, spinel, impact, Eastern Alps.

Index Terms: 1051 Geochemistry: Sedimentary geochemistry; 1519 Geomagnetism and Paleomagnetism: Magnetic mineralogy and petrology; 3665 Mineralogy and Petrology: Mineral occurrences and deposits; 5420 Planetary Sciences: Solid Surface Planets: Impact phenomena, cratering.

Citation: Grachev, A. F., V. A. Tselmovich, O. A. Korchagin, and H. A. Kollmann (2007), Two spinel populations from the Cretaceous-Paleogene (K/T) boundary clay layer in the Gams stratigraphic sequence, Eastern Alps, Russ. J. Earth Sci., 9, ES2002, doi:10.2205/2007ES000297.