Talk:Spilite

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If Spilite is formed from alteration of ocean-floor basalt, does this not make it a metamorphic rock? - 83.249.132.111, 21 May 2010.
 * Apparently not, or at least in my Pocket Nature: Rocks and Minerals it's listed under igneous rocks - perhaps because it's altered while the basalt is still new and semi-molten. Singinglemon (talk) 21:42, 28 May 2010 (UTC)