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ID  2308  -  Public access
Description :   UE278. Geological substratum. Alluvium from the lower terrace of the Río Grande. It is visible in large areas of the excavated area because it was originally cut by the northeastern, southeastern and southwestern walls of the main pit (UE 277). It is a massive deposit of alluvium, of the quaternary age, formed by a continuous superposition of thin layers of clays and silts of horizontal tabular distribution that differ from each other in the shade of their coloration, in their granulometry, and in the proportion of sands that they contain. These small differences between strata are a cons...
Stratigraphic unit (characteristics):  278
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