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21:51 Dec 13, 2008 |
Russian to English translations [PRO] Tech/Engineering - Mining & Minerals / Gems | |||||||
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| Selected response from: Maruti Shinde India Local time: 15:53 | ||||||
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4 +1 | tuff |
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Discussion entries: 2 | |
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tuff Explanation: - a fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usually more or less stratified. - A rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel. Also called tufa. - hard volcanic rock composed of compacted volcanic ash - A rock made up of particles of volcanic ash, varying in size from fine sand to coarse gravel. |
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