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:
Description:
Facies:
3-Q. 120 m to 250 m
Subtidal zone.
3-P. 250 m to 335 m
Biolithite (coquina), massive mounds of coral.
Facies:
3-O. 335 m to 400 m
Proximal shelf.
3-N. 400 m to 475 m
Grey interbedded mud and sand with symmetric crossbeds.
Facies:
3-M. 475 m to bottom of core
Igneous bedrock (granite).