Reversal film | Reversal of Fortune | Time reversal | Phonetic reversal | Northern river reversal | Motonori Matuyama |
The Gauss-Matuyama Reversal was a geologic event approximately 2.588 million years ago when the Earth's magnetic field underwent reversal.
Motonori Matuyama showed that the Earth's magnetic field reversed in the mid-Quaternary, a reversal now known as the Brunhes-Matuyama reversal.