Talk:Island arc
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[edit] Not happy
Not happy about the phrase "Weathering and erosion of these volcanic rocks produce black-green beaches composed of olivine sand eroded from the volcanic cones." While some calc-alkaline volcanics are oliving-phyric, it's not particularly common. Black-sand beaches are more often composed of ilmenite and magnetite, with olivine a relatively minor component.
A Karley 12:45, 10 August 2006 (UTC)
This while article sucks and doesn't help anyone understand anything. It should erased completely so someone who actually knows about the topic can re-write the whole thing.
