Core 3 Borehole Log

In the following borehole log, highlighting indicates missing information that you must fill in.

3-R. Ground surface to 120 m

Rock sample collected, found with immature grain-supported gravels:



3-Q. 120 m to 250 m

Subtidal zone.

3-P. 250 m to 335 m

Biolithite (coquina), massive mounds of coral.


3-O. 335 m to 400 m

Proximal shelf.

3-N. 400 m to 475 m

Grey interbedded mud and sand with symmetric crossbeds.


3-M. 475 m to bottom of core

Igneous bedrock (granite).



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