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ACCUMULATION ALLUVIALE [1 record]
Record 1 - internal organization data 1991-04-12
Record 1, English
Record 1, Subject field(s)
- Geomorphology and Geomorphogeny
Record 1, Main entry term, English
- alluvial fill
1, record 1, English, alluvial%20fill
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A deposit of alluvium occupying a stream valley, conspicuously thicker than the depth of the stream. It represents a single stratigraphic unit. 2, record 1, English, - alluvial%20fill
Record number: 1, Textual support number: 1 CONT
In summary, the pay zone in stream and river placers ranges from linear paystreaks which are parallel to the channel system, to discontinuous concentrations which are not necessarily limited to the base of the alluvial fill. 1, record 1, English, - alluvial%20fill
Record number: 1, Textual support number: 1 OBS
This example is taken from The Decade of North American Geology, Volume 1, chapter 11. 3, record 1, English, - alluvial%20fill
Record 1, French
Record 1, Domaine(s)
- Géomorphologie et géomorphogénie
Record 1, Main entry term, French
- accumulation alluviale
1, record 1, French, accumulation%20alluviale
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- remplissage alluvial 2, record 1, French, remplissage%20alluvial
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
[...] la concavité basale est [...] due à l'accumulation. C'est que nos versants ne sont pas en profil d'équilibre. Les débris s'accumulent à la base parce que l'évacuation par le talweg ne se fait plus, et elle ne se fait plus parce que, en raison du réchauffement climatique qui a suivi la dernière glaciation, l'évaporation a diminué les débits des cours d'eau et entraîné, par là, leur impuissance à charrier ce qui se présente à eux. Dans certains cas, le cours d'eau au fond de la vallée [...] a disparu [...]; alors, les matériaux descendus du versant et dits colluviaux (tandis que ceux qu'apportent les cours d'eau sont dits alluviaux) empâtent le fond et lui donnent un profil transversal en berceau. 3, record 1, French, - accumulation%20alluviale
Record 1, Spanish
Record 1, Textual support, Spanish
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