It might have been designated as one of those iron coasts, as they are called in some countries, and its wild confusion appeared to indicate that a sudden crystallization had been produced in the yet liquid basalt of some distant geological sea.
Zegzugos sziklahalmaza arra vallott, hogy kőzetei a legrégibb földtani korszakokban jegecesedtek ki mai alakjukban, az akkor még cseppfolyósan izzó bazalttömegből.