Ask Question
5 October, 08:35

What causes a continental shield to form?

+5
Answers (1)
  1. 5 October, 08:57
    0
    A shield is generally a large area of exposed Precambrian crystalline igneous and high-grade metamorphic rocks that form tectonically stable areas. In all cases, the age of these rocks is greater than 570 million years and sometimes dates back 2 to 3.5 billion years.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What causes a continental shield to form? ...” in 📗 Biology if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers