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06:06 Apr 10, 2015 |
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English to Polish translations [PRO] Science - Geology / volcanology, sedimentation | |||||||
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| Selected response from: Frank Szmulowicz, Ph. D. United States Local time: 13:18 | ||||||
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4 | ignimbryt/tuf spieczony |
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Discussion entries: 1 | |
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ignimbryt/tuf spieczony Explanation: Welded Tuff Sometimes the ejecta is hot enough when it lands that the particles are soft and sticky. These materials "weld" together upon impact or upon compaction. The rock formed from this hot ejecta is known as a "welded tuff" - because the ejected particles are welded together. Some deposits might contain welded tuff near the vent and unwelded tuff at a distance where smaller, cooler particles fell to the ground http://geology.com/rocks/tuff.shtml cccccccccccccccccccccccccccccccc >b?welded tuff ignimbrite [ig-nim-brahyt] noun, Petrology 1. a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz. http://dictionary.reference.com/browse/welded-tuff ccccccccccccccc Ignimbryt lub tuf spieczony – skała piroklastyczna będąca skałą osadową pochodzenia wulkanicznego, silnie porowata, należąca do grupy skał kwaśnych, o składzie chemicznym zbliżonym do ryolitu lub dacytu. Powstała podczas wybuchu wulkanu w wyniku wypadania materiałów piroklastycznych z chmur erupcyjnych i spojenia tego materiału upłynnionym, rozgrzanym popiołem wulkanicznym, przy udziale gorących par i gazów wulkanicznych. http://pl.wikipedia.org/wiki/Ignimbryt |
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