The rocks in question, quartzite, were discovered by researchers at Columbia University, thanks to a grant from the National Geographic Society. Like the Hawaiian island chain, Anjouan formed due to volcanic eruptions, which makes the presence of quartzite on the island all the more interesting. "All those years, it has bothered me that I didn't understand how those rocks got there," Class told Live Science. The presence of quartzite is not the first non-volcanic rock to be found on the island, Live Science added. CLICK HERE TO GET THE FOX NEWS APP"This is what nature presents, sometimes," Class added in her interview with Live Science.

Source: Fox News March 18, 2019 14:15 UTC