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) Paleozoic oil and gas deposits in limestones
C) Recent: clams, foraminifera, and wood <70,000 years old
D) Precambrian zircons in igneous and metamorphic rocks
Correct Answer:
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