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Subject: sharp-based fining Пожалуйста, помогите перевести.Выражение встречается в следующем контексте:
Log signatures contrast with the underlying section, in particular they are dominated by sharp-based fining upward trends up to 50m thick. Many of these sand prone packages can be traced across the field with little apparent change in character, and for long distances of hundreds of metres. Заранее спасибо
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