Hydrothermal Mound Core!

So we’re coming down to the last few days of the cruise and we’ve finally had successs drilling at the hydrothermal mound site. We didn’t succeed in drilling right through the top of the mound, but we’ve drilled just 20m away at the side of the mound. Our successful recovery was about 2m of heavily altered rock – no sediment. We’re now preparing to core again at this same site.  But altered rock is good!  According to the geologists it looks rhyolitic… even the geochemists can see that it’s full of sulfide minerals, including pyrite.

There was much rejoicing about this sample and even before it’s analyzed people are speculating about it!

The microbiologists are also hard at work preparing to study any organisms that might be living in or on this rock!