| Titre : |
Sedimentary structures : their character and physical basis. Vol. 1 |
| Type de document : |
texte imprimé |
| Auteurs : |
John Robert Lawrence Allen, Auteur |
| Editeur : |
Amsterdam : Elsevier |
| Année de publication : |
1982 |
| Collection : |
Developments in sedimentology num. 30A |
| Importance : |
XVII-593 p. |
| Présentation : |
ill. |
| Format : |
24 cm |
| ISBN/ISSN/EAN : |
978-0-444-41935-4 |
| Note générale : |
Bibliogr. p. 515-593 |
| Langues : |
Anglais (eng) |
| Mots-clés : |
Structures sédimentaires |
| Index. décimale : |
552.5 Roches sédimentaires |
| Résumé : |
This volume begin with a sketch of environmental fluid fynamics and an introduction to sediment transport. Perhaps the simplest of all sedimentary structures as regards setting are those related to the motion of sedimentary practicles through, or their emplacement from, various media. Turbulent boundary layers and their transitional states include small-scale flow configurations to which a number of sedimentary structures seem to be related. It si natural to progress from there to the bedfroms and internal structures related to sand transport by unidirectional currents...And finiches with an account of sandy bedforms beneath currents subject to spatial and or temporal change, where the non-uniformity or unsteadiness in not the fundamental cause of the structures. Such changeable currents are, of cours, the norm in the real xorld, yet they have been insufficiently modelled either theoretically on in the laboratory. |
| Note de contenu : |
Au sommaire :
1. Environmentals fluid dynamics.
2. Entrainment and trnsport of sedimentary practicles.
3. Practicle motions at low concentration : grading in pyroclastic-fall deposits.
4. Packing of sedimentary practcles
5. Orientation of practicles during sedimentation : sphape-fabrics.
6. Transition to turbulence and the fine structure of steady turbulent boundary layers..
... |
Sedimentary structures : their character and physical basis. Vol. 1 [texte imprimé] / John Robert Lawrence Allen, Auteur . - Amsterdam : Elsevier, 1982 . - XVII-593 p. : ill. ; 24 cm. - ( Developments in sedimentology; 30A) . ISBN : 978-0-444-41935-4 Bibliogr. p. 515-593 Langues : Anglais ( eng)
| Mots-clés : |
Structures sédimentaires |
| Index. décimale : |
552.5 Roches sédimentaires |
| Résumé : |
This volume begin with a sketch of environmental fluid fynamics and an introduction to sediment transport. Perhaps the simplest of all sedimentary structures as regards setting are those related to the motion of sedimentary practicles through, or their emplacement from, various media. Turbulent boundary layers and their transitional states include small-scale flow configurations to which a number of sedimentary structures seem to be related. It si natural to progress from there to the bedfroms and internal structures related to sand transport by unidirectional currents...And finiches with an account of sandy bedforms beneath currents subject to spatial and or temporal change, where the non-uniformity or unsteadiness in not the fundamental cause of the structures. Such changeable currents are, of cours, the norm in the real xorld, yet they have been insufficiently modelled either theoretically on in the laboratory. |
| Note de contenu : |
Au sommaire :
1. Environmentals fluid dynamics.
2. Entrainment and trnsport of sedimentary practicles.
3. Practicle motions at low concentration : grading in pyroclastic-fall deposits.
4. Packing of sedimentary practcles
5. Orientation of practicles during sedimentation : sphape-fabrics.
6. Transition to turbulence and the fine structure of steady turbulent boundary layers..
... |
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