Recently scientists have uncovered ancient rocks in Greenland that bear the oldest remnants of Earth...........

Current GK (NABARD) Science & Technology

Recently, scientists have uncovered ancient rocks in Greenland that bear the oldest remnants of Earth’s early magnetic field. these rocks are found to be about ________years old.

1.7 billion

2.5 billion

5.5 billion years

3.7 billion

छोटे Courses बड़े Results

Master Science & Technology

Prepare through Micro-courses

Try Now

Explanation:

Geologists at MIT and Oxford University have uncovered ancient rocks in Greenland that bear the oldest remnants of Earth’s early magnetic field. The researchers determined that the rocks are about 3.7 billion years old and retain signatures of a magnetic field with a strength of at least 15 microtesla.