Page 7 - Caldera Volcanism Analysis, Modelling and Response

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4. The Ignimbrite Flare-Up and Graben Calderas of the Sierra Madre
Occidental, Mexico 143
Gerardo J. Aguirre-Dı ´az, Guillermo Labarthe-Herna ´ndez,
Margarito Trista ´n-Gonza ´lez, Jorge Nieto-Obrego ´n and Isaac Gutie ´rrez-Palomares
1. Introduction 144
2. The Sierra Madre Occidental Volcanic Province 145
3. Regional Stratigraphy of the Sierra Madre Occidental 149
4. Graben Calderas of the Sierra Madre Occidental 153
5. Conclusions 173
Acknowledgments 173
References 174

5. Characterisation of Archean Subaqueous Calderas in Canada:
Physical Volcanology, Carbonate-Rich Hydrothermal Alteration and
a New Exploration Model 181
W.U. Mueller, J.B. Stix, J.D.L. White, P.L. Corcoran, B. Lafrance and R. Daigneault
1. Introduction 183
2. Abitibi Greenstone Belt Geology 183
3. Notion of Calderas 186
4. Hunter Mine Caldera 187
5. Normetal Caldera 202
6. Sturgeon Lake Caldera, Wabigoon Subprovince 211
7. The Link: Subaqueous Calderas with Chert–Iron Formation
and Hydrothermal Carbonates 214
8. Discussion 220
9. Conclusions 225
Acknowledgements 226
References 227
6. A Review on Collapse Caldera Modelling 233
J. Martı ´, A. Geyer, A. Folch and J. Gottsmann
1. Introduction 234
2. The Role of Experimental Models in Caldera Studies 235
3. Theoretical Models on Collapse Calderas Formation 244
4. Geophysical Imaging and Its Value for Caldera Studies 259
5. Discussion and Implications 273
6. Conclusions 277
Acknowledgements 277
References 278
7. Structural Development of Calderas: A Synthesis from Analogue
Experiments 285
Valerio Acocella
1. Introduction 286
2. Analogue Modelling 287
3. Experimental Studies on Calderas 289