Blog Posts Tagged "age"

Exp359. JOIDES. 22nd Oct. Why these deepths ?

The drill string was lowered to the seafloor with the RCB in the afternoon for a seafloor depth of 528 mbrf.

The plan for hole U1466B is to drill down to 314m and then to RCB core to the 1010 m target .

Exp359. 24th Oct. Why are they looking for fossils ?!

When they have a core of deep sea sediments , the scientists have to make an age determination.

How might they determine sample's age?

There are a lot of microfossils in oceanic sediments and they provide a basis for age determination. The paleontologists studying sedimentary sequences  have established first appearences and extinction of species through time.