Part III: Pyroclastic Eruptions and Products

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18. 19. 20. 21.

22. 23. 24. 25.

26. 27. 28. 29.

30.

19. SLIDE #19 (131K): La Poruña monogenetic scoria cone, north Chile

20. SLIDE #20 (162K): Strombolian scoria fall deposit, Bandera, New Mexico

21. SLIDE #21 (179K): Plinian pumice fall deposit, Arequipa, Peru

22. SLIDE #22 (192K): Breadcrust block, Socompa, north Chile

23. SLIDE #23 (198K): Mixed pumice clast, Láscar, north Chile

24. SLIDE #24 (157K): Major ignimbrites, Rio Loa, North Chile

25. SLIDE #25 (225K): Fiamme in welded ignimbrite, Aso, Japan

26. SLIDE #26 (226K): Unwelded ignimbrite, Cerro Galan, Argentina

27. SLIDE #27 (176K): Compositional zonation in ignimbrite, Crater Lake, Oregon

28. SLIDE #28 (220K): Homogeneous ignimbrite, Cerro Galan, Argentina

29. SLIDE #29 (184K): Fluidization pipes in ignimbrite, Cerro Galan, Argentina

30. SLIDE #30 (169K): Mudflow, Chigliapichina volcano, north Chile

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 Part IV