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Pacific Coastal & Marine Science Center


Mapping Home Page

 

Mapping Systems

Sampling: Core and Grab Samplers

A variety of coring and sampling devices provide sediment for texture analysis and stratigraphy that are used to map the distribution of surficial facies and help establish the chronology of tectonic activity and sedimentation.

Photo of NEL box corer on board ship.
Our NEL-style spade box corer is equipped with a bottom-trip camera and strobe.
Weight: 1500 lbs
Box size: 20 x 30 x 60 cm
Photo of a box core
Sediment sample from NEL spade box corer, shown at right.

We derive environmental and geologic information
from cores with chronology control.

 

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URL: http://walrus.wr.usgs.gov/mapping/sampling.html
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Page Last Modified: 18 September 2010 (lzt)