Zircons found in continental rocks give evidence that continental crust was forming as long ago as ______.
A) 1.9 billion years ago
B) 10,000 years ago
C) 564 million years ago
D) 70 million years ago
E) 4.4 billion years ago

Question

Quizplus · Accepted Answer

Zircons found in continental rocks provide evidence that continental crust was forming as early as 4.4 billion years ago.

Zircons Found in Continental Rocks Give Evidence That Continental Crust