As more and more of the seafloor was mapped during the 1950s, the magnetic variations turned out not to be random or isolated occurrences, but instead revealed recognizable patterns.
Kako je sve više morskog dna bilo kartirano tijekom 1950-ih, magnetske promjene pokazale su se, ne kao nasumične ili izolirane pojave, nego su otkrivale prepoznatljive uzorke.