09:14 Apr 23, 2006 |
English language (monolingual) [PRO] Science - Mining & Minerals / Gems | |||||||
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| Selected response from: William [Bill] Gray Norway Local time: 15:43 | ||||||
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SUMMARY OF ALL EXPLANATIONS PROVIDED | ||||
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4 +14 | see below... |
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sentence see below... Explanation: This is referring to former volcanic explosions: the time when the minerals being talked about came up to the earth's surface in a volcanic explosion. Molten rock which comes from deep within the earth, is called "magma". |
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