Transcript Nevado de Toluca Volcano

Nevado de Toluca Volcano
• Morphological analysis of Nevado de
Toluca volcano (Mexico): new insights into
the structure and evolution of an andesitic
to dacitic stratovolcano
• Gianluca Norini et al
http://www.skimountaineer.com/ROF/
NorAm/Toluca/TolucaMap.jpg
Dog not for scale
http://gringodog.home.comcast.net/~gringodog/dogphoto_files/NevadadeTolucaVolcano-MilotheMountaineer.JPG
Introduction
• Morphological analysis as tool to
characterize volcanic and tectonic
structures
• Recently evolved volcanic region
• Minimal exogenous processes
Morphology and Spatial Distribution
• Linear data
• Areal data
Linear Data
• Identifies structural and volcano-structural
features
Areal Data
• Morphological homogeneous zones
• Related to volcanic edifices
Geologic Framework
Methodology
• DEM derived shaded images
– Slope value distribution
– Aspect distribution
• Aerial photographs
– Domain characterization
– Edifice identification
Data
Summary
Feature
Identification
Rectilinear
Curvilinear
Nevado de Toluca
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East opening Horseshoe
4 Merapi type dome collapses
4 Plinian eruptions
Glacier activity