Mark Reagan
2008 Dives
Earth and Environmental Sciences
page maintained by
Mark Reagan © 2008
Shinkai 6500 Diving, July 2008
Our second dive cruise of the RV Yokosuka/Shinkai 6500 took place in July, 2008 in the same region of the Mariana fore-arc southeast of Guam that we explored in 2006. Yas Ohara and I were again the co-chief scientists for this cruise. The other scientific participants were: T. Ishii, O. Ishizuka, K. Michibayashi, R. J. Stern, S. H. Bloomer, P. Fryer, R. Hickey-Vargas, A. Fujii, H. Imoto, J. Johnson, J. Ribeiro, and S. Uehara. Principal findings included the discovery of extensive outcroppings of forearc basalts and boninites, as well as basaltic pillow lavas that appear to have erupted recently and quite close to the Mariana Trench.
The crew for the 2008 dive cruise
The mothership RV Yokosuka
The window of the Shinkai 6500
Shinkai 6500 being launched.
Graduate Students with their banner.
Nearing the water 
Folded surficial sedimentary rocks.
An example of the some local fauna.
Osamu Ishizuka, Patty Fryer, and Yas Ohara at the Captain's party.
Sunset cruising toward Japan.
The strange island of Sofugan in the Izu arc.
Docked at JAMSTEC in Japan waiting to disembark.