Directional fabric measurements: An investigative approach to transport and depositional mechanisms in pyroclastic flows

Journal of Volcanology and Geothermal Research

Volumn 107, Issue 4, 2001, Pages 275-292

  Capaccioni, Bruno ^a   Nappi, Giovanni ^a   Valentini, Laura ^a  

^a UNIVERSITY OF URBINO   (Italy)

Author keywords

Depositional mechanisms; Directional fabric; Ignimbrites; Image analysis

Indexed keywords

ANISOTROPY; COMPUTER AIDED ANALYSIS; DEPOSITION; IMAGE ANALYSIS; RHEOLOGY; VISCOUS FLOW;

ROCK FABRICS;

ROCKS;

DEPOSITION; EMPLACEMENT; IGNIMBRITE; IMAGE ANALYSIS; PYROCLASTIC FLOW; TRANSPORT PROCESS;

ITALY;

EID: 0035391441     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0377-0273(00)00316-4     Document Type: Article

References (62)

1. Criteria for the instability of upper-stage plane beds
2. Turbulent transport and deposition of the Ito pyroclastic flow: Determinations using anisotropy of magnetic susceptibility
3. Sedimentology and event timing of a catastrophic volcaniclastic mass flow, Volcan Hudson, Chile
4. Orientation of mineral lineation along the flow direction in rocks
5. A reappraisal of ignimbrite emplacement: Progressive aggradation and changes from particulate to non-particulate flow during emplacement of high-grade ignimbrite
6. Giant bed from a sustained catastrophic density current flowing over topography: Acatlàn ignimbrite, Mexico
7. The reliability of magnetic susceptibility (AMS) data as flow direction indicators in friable base surge and ignimbrite deposits: Italian examples
8. Computer-assisted image-analysis on clast shape fabric from the Orvieto-Bagnoregio ignimbrite (Vulsini District, Central Italy): Implications on the emplacement mechanisms
9. Image analysis and circular statistics for shape-fabric analysis: Applications to lithified ignimbrites
10. Transport and deposition of tephra by pyroclastic flows and surges
11. Emplacement of 18 May 1980, lateral blast ENE of Mount St. Helens, Washington
12. Pyroclastic density currents
13. Estimates of flow direction from calcalkaline welded tuffs and paleomagnetic data reliability from anisotropy of magnetic susceptibility measurements: Central San Juan Mountains, Southwest Colorado
14. Determination of flow direction of ryolitic ash-flow tuffs from fluidal textures
15. Mechanism of deposition from pyroclastic flows
16. Systems of transport and deposition within pyroclastic surges: Evidence from Mount St. Helens, Washington
17. Transport and deposition of a pyroclastic surge across an area of high relief: The 18 May 1980 eruption of Mount St. Helens, Washington
18. Mobility of a large-volume pyroclastic flow: Emplacement of the Campanian ignimbrite, Italy
19. Pyroclastic flow transport mechanisms
20. The circular normal distribution: Theory and tables
21. Magnetic fabric, flow directions, and source area of the Lower Miocene Peach Springs tuff in Arizona, California, and Nevada
22. Depositional mechanics of thick-bedded sandstones at the base of a submarine slopes, Tourelle Formation (Lower Ordovician), Quebec, Canada
23. Fabric of coarse deep-water sandstones, Tourelle Formation, Quebec, Canada
24. Particle fabric in a small, type-2 ignimbrite flow unit (Laacher See, Germany) and implications for emplacement dynamics
25. The motion of ellipsoidal particles immersed in a viscous fluid
26. mFlow directions inferred from imbrication in the Handa pyroclastic flow deposit in Japan
27. Sustained high-density turbidity currents and the deposition of thick massive sands
28. Comment on: On pyroclastic flow emplacement
29. Tests concerning random points on a circle
30. I cicli eruttivi del complesso Vulcanico Cimino
31. The development of clast fabric in mudflows
32. Sediment gravity flows. II. Depositional models with special reference to the deposits of high-density turbidity currents
33. Suspended-load fall-out rate as an independent variable in the analysis of current structures
34. Flow directions in ash-flow tuffs: Comparison of geological and magnetic susceptibility measurements. Tshirege member (upper Bandelier tuff). Valles caldera. New Mexico, USA
35. Guida all'escursione sui depositi piroclastiei del Distretto Vulcanico Vulsino
36. Stratigraphy of the Orvieto-Bagnoregio Ignimbrite eruption (Eastern Vulsini District, Central Italy)
37. Coarse-tail vertical and lateral grading in pyroclastic flow deposits of the Latera Volcanic Complex (Vulsini Central Italy): Origin and implications for flow dynamics
38. Large floating clasts in turbidites: A mechanism for their emplacement, Sediment
39. Vent sites and flow directions of the Otowi ash flows (lower Bandelier tuff) New Mexico
40. The production of preferred orientation in a concentrated dispersion of elongated and flattened grains
41. The orientation of grains in a sheared dispersion
42. Experiments on the production of transverse grain alignment in a sheared dispersion
43. The orientation of sand grains under conditions od unidirectional flow
44. The mechanics of rapid granular flows
45. Pyroclastic flows of the June 15 1991, climatic erutpion, of Mount Pinatubo
46. Magnetic fabrics of the Bloodgood Canyon and Shelley Peak tuffs, Southwestern New Mexico: Implications for emplacement and alteration process
47. Emplacement of pyroclastic flows: A review
48. Products of ignimbrite eruptions
49. Grain size variations in ignimbrites and implications for the transport of pyroclastic flows
50. Grain orientation and depositional ramps as flow direction indicators of a large-scale pyroclastic flow deposit in Japan
51. Factors governing the flow lineation of a large-scale pyroclastic flow: An example in the Ata pyroclastic flow deposit, Japan
52. Flow behaviour of large-scale pyroclastic flows: Evidence derived from petrofabric analysis
53. Origin of layer 1 deposits in ignimbrites
54. Stratified flow in pyroclastic surges
55. Pyroclastic surges and blasts
56. Low-aspect ratio ignimbrites
57. Ignimbrite types and ignimbrite problems
58. The Taupo eruption New Zeland II, The Taupo ignimbrite
59. Pyroclastic transport and deposition
60. Eruption, transport and deposition of ignimbrite: A case study from Mexico