Now At Sea

April 05, 2015 - May 31, 2015

The Arabian Sea Monsoon Expedition seeks to understand the interaction between the Himalayas and Tibetan plateau uplift and the development and evolution of the Indian summer monsoon.

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Marking time

One thing all geologists want to know is the age of the rock they are looking at and the most common way of doing that is by looking at the fossil assemblage in the sediments. When working with a thin core from the bottom of the ocean as we do here we are obviously not likely to find a fossil horse or a dinosaur but instead we rely on microfossils that represent the ancient plankton of the ocean.

Geophysical Correlations

We are now drilling at deeper than 700 m below the seafloor but in the upper part of the section we have a number of holes that now allow us to put together a relatively complete record of sediment in this area provided the different drills cores can be related to one another.