
Many processes inside the earth are still enigmatic. One of the open questions is how neighboring chains of volcanoes, supplied by the same volcanic hotspot, can emit material of distinct geochemical composition over tens of millions of years?img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/Wfc97FOUhjY» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Wfc97FOUhjY/150727104652.htm