What kind of materials can be reliably dated by the C-14 method?
A)biotite, hornblende, and muscovite; particularly in Mesozoic and older rocks
B)Recent: clams, foraminifera, and wood

Question

What kind of materials can be reliably dated by the C-14 method?
A)biotite, hornblende, and muscovite; particularly in Mesozoic and older rocks
B)Recent: clams, foraminifera, and wood <50,000 years old
C)Paleozoic oil and gas deposits in limestones
D)Precambrian zircons in igneous and metamorphic rocks

Quizplus · Accepted Answer

The C-14 method is reliable for dating materials that are organic and less than 50,000 years old. Clams, foraminifera, and wood are examples of such materials.

What Kind of Materials Can Be Reliably Dated by the C-14