A deep ice core to 2503m at Dome Fuji, Antarctica ( 77°19'S, 39°42'E, elevation 3810m.) was recovered during 1995-1996. 
A second deep core was started in 2003. During the 2005/2006 austral summer, core was recovered to the depth of 3028.52 m, 
and in 2006/2007 a depth of 3035.22m was reached.

References:

Horiuchi, K., T. Uchida, Y. Sakamoto, A. Ohta, H. Matsuzaki, Y. Shibata, and H. Motoyama. 2008.
Ice core record of 10Be over the past millennium from Dome Fuji, Antarctica:
A new proxy record of past solar activity and a powerful tool for stratigraphic dating.
Quaternary Geochronology, Vol. 3, Issue 3, pp. 253-261, August 2008. doi:10.1016/j.quageo.2008.01.003.

Horiuchi, K., A. Ohta, T. Uchida, H. Matsuzaki, Y. Shibata, and H. Motoyama. 2007.
Concentration of 10Be in an ice core from the Dome Fuji station, Eastern Antarctica:
Preliminary results from 1500 to 1810 yr AD.
Nuclear Instruments and Methods in Physics Research Section B:
Beam Interactions with Materials and Atoms, Vol. 259, Issue 1, June 2007, pp. 584-587. doi:10.1016/j.nimb.2007.01.306

Kawamura, K., T. Nakazawa, S. Aoki, S. Sugawara, Y. Fujii, and O. Watanabe. 2003.
Atmospheric CO2 variations over the last three glacial-interglacial climatic cycles deduced from the Dome Fuji deep ice core, 
Antarctica using a wet extraction technique
Tellus, 55B, 126-137.

Kawamura, K., F. Parrenin, L. Lisiecki, R. Uemura, F. Vimeux, J. P. Severinghaus, M. A. Hutterli, T. Nakazawa, S. Aoki, 
J. Jouzel, M. E. Raymo, K. Matsumoto, H. Nakata, H. Motoyama, S. Fujita, K. Goto-Azuma, Y. Fujii, and O. Watanabe. 2007.
Northern Hemisphere forcing of climatic cycles in Antarctica over the past 360,000 years
Nature, 448, 912-916.

Uemura, R., N. Yoshida, N. Kurita, M. Nakawo, and O. Watanabe. 2004.
An observation-based method for reconstructing ocean surface changes using a 340,000-year deuterium excess record 
from the Dome Fuji ice core, Antarctica.
Geophys. Res. Lett., 31, doi:10.1029/2004GL019954.

Uemura, R., V. Masson-Delmotte, J. Jouzel, A. Landais, H. Motoyama, and B. Stenni. 2012.
Ranges of moisture-source temperature estimated from Antarctic ice cores stable isotope records over glacial-interglacial cycles.
Climate of the Past, Vol. 8, No. 3, pp. 1109-1125. doi:10.5194/cp-8-1109-2012

Watanabe, O., J. Jouzel, S. Johnsen, F. Parrenin, H. Shoji, and N. Yoshida. 2003.
Homogeneous climate variability across East Antarctica over the past three glacial cycles.
Nature, Vol. 422, pp. 509-512.