Formation of inversely graded basal layers in ignimbrites by progressive aggradation

Journal of Volcanology and Geothermal Research

Volumn 111, Issue 1-4, 2001, Pages 25-33

  Legros, F ^b   Marti J ^a  

^a INSTITUTE OF EARTH SCIENCES JAUME ALMERA   (Spain)

^b UNIVERSIDAD NACIONAL DE SAN AGUSTÍN DE AREQUIPA   (Peru)

Author keywords

Basal layer; Ignimbrites; Inversegrading; Pyroclastic flows

Indexed keywords

BUOYANCY; GEOTHERMAL ENERGY; SEDIMENTS;

PROGRESSIVE AGGRADATION;

VOLCANOES;

AGGRADATION; BASAL FLOW; FORMATION MECHANISM; IGNIMBRITE; PYROCLASTIC FLOW;

EID: 0035517489     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0377-0273(01)00208-6     Document Type: Article

References (33)

1. Experiments on a gravity-free dispersion of large solid spheres in a Newtonian fluid under shear
2. A reappraisal of ignimbrite emplacement: Progressive aggradation and changes from particulate to non-particulate flow during emplacement of high-grade ignimbrite
3. Giant bed from a sustained catastrophic density current flowing over topography: Acatlán ignimbrite, Mexico
4. Lithic-breccia in intermediate-volume phonolitic ignimbrite Tenerife (Canary Islands): Constraints on pyroclastic flow depositional processes
5. The dynamics and thermodynamics of large ash flows
6. A facies interpretation of the eruption and emplacement mechanisms of the upper part of the Neapolitan Yellow Tuff, Campi Flegrei, Southern Italy
7. Pyroclastic flows generated by gravitational instability of the 1996-97 lava dome of Soufriere Hills Volcano, Montserrat
8. Emplacement of the Taupo ignimbrite by a dilute, turbulent flow
9. Settling behaviour of concentrated, poorly sorted dispersions and some volcanological applications
10. Pyroclastic density currents
11. Mechanism of deposition from pyroclastic flows
12. Formation of high-grade ignimbrites Part II. A pyroclastic suspension current model with implications also for low-grade ignimbrites
13. Pyroclastic flows transport mechanisms
14. Emplacement of small-volume pyroclastic flows at Laacher See (East-Eifel, Germany)
15. Sustained high-density turbidity currents and the deposition of thick massive sands
16. Comment on on pyroclastic flow emplacement
17. Tephra stratigraphy of Misti volcano (Peru)
18. Experimental studies related to problems of flysch sedimentation
19. Coarse-tail vertical and lateral grading in pyroclastic flow deposits at the Latera Volcanic Complex (Vulsini, Central Italy): Origin and implications for flow dynamics
20. Fingering in granular flows
21. The motion of a finite mass of granular material down a rough incline
22. Particle size segregation in inclined chute flow of dry cohesionless granular solids
23. Grainsize variations in ignimbrites and implications for the transport of pyroclastic flows
24. The significance of vitric-enriched air-fall ashes associated with crystal-enriched ignimbrites
25. Products of ignimbrites eruptions
26. Erosion by pyroclastic flows on Lascar Volcano, Chile
27. Predictability of long runout landslide motion: Implications from granular mechanics
28. A mechanical model for Merapi-type pyroclastic flow
29. Reverse and intermediate segregation of large beads in dry granular media
30. Lahars
31. The role of fluidization in the emplacement of pyroclastic flows: An experimental approach
32. Morphology and rheology of pyroclastic flows and their deposits, and guidelines for future observations