core sample

A sample of rock, soil, snow, or ice obtained by driving a hollow tube into the undisturbed medium and withdrawing it with its contained sample or core.

Related terms:

• core-and-mantle structure
• core intersection
• Reviewing Eath Science with Sample Examinations (Program Modification Version (E.S.P.R.I.T.))
• core interval
• core logging
• inner core
• core analysis
• outer core
• core
• meander core