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Ashfall (subaerial)
| Earth Science |
Volcanic ash that has fallen through the air. the resulting deposit is usually well sorted and exhibits a finely layered structure.
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Dacite, английский
- Volcanic rock (or lava) that characteristically is light in color and contains 62 to 69 percent silica and moderate amounts of sodium and potassium.
- Medium-coloured, very fine-grained, acid igneous rock. the
Loess, английский
- Very fine-grained sediments deposited by wind action. commonly associated with the margins of continental ice sheets. large expanses of loess from the recent ice age are in large part responsible for the bountiful corn and wheat fields of the american midwest.
- Лёсс loft нежилое чердачное помещение (используемое под склад и т.п.) log 1. каротажный прибор 2. каротаж 3. журнал регистрации данных; буровой журнал 4. каротажная диаграмма (данные бурения) 5. бревно; кряж 6. логарифм
- A local regression technique developed in statistics and used in data mining. a classic regression analysis uses all of the data to fit the regression line. thus, all of the data will influence the prediction at every point. loess performs a local regression, only considering those points that are near the target point when making a prediction. "nearness" is controlled by a window width selected by the analyst. see also: smoothing.
- Material transported and deposited by wind and consisting predomin of silt(5sti tc 0.( referr(l009 tc 0.0005 tw 2.251 part 629 - glossary 629-48 (430-vi-nssh, 2008)
- Silt-size dust-like deposit washed out of the atmosphere by rain and
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