Abstract
The editorial office apologizes for the following misprints in the former issue (vol.106 no.6, December, 2011).
1. In the Editorial (page 275)
The Editorial Board would like to thank Yuji ICHIYAMA.
2. In the first original Article entitled “Cooperation of upper and lower boundary-layer fractionations in a sheet-like intrusion: Composition and microstructure of the Aosawa dolerite sill in Yamagata Prefecture, northeastern Japan” by Yushi TAKADA and Kazuhito OZAWA (vol. 106, no. 6, 277-298, 2011).
On page 298, the correct manuscript accepted date is “September 23, 2011”.