VOLCANIC TEXTURES

By BARBARA MILLER

CONTENTS PART I CENOZOIC VOLCANISM CALDERAS INTRODUCTION NORTHERN PUNA CALDERAS PANIZOS CALDERA VILAMA CALDERA CORANZULI CALDERA SOUTHERN PUNA CALDERAS CERRO GALAN CALDERA CERRO BLANCO VOLCANIC COMPLEX REFERENCES CENTRAL COMPOSITE VOLCANOES—STRATOVOLCANOES QUEVAR VOLCANIC COMPLEX ANTOFALLA VOLCANIC COMPLEX RACHAITE STRATOVOLCANO TUZGLE VOLCANO SILICIC DOME VOLCANIC COMPLEXES PAN DE AZÚCAR DOME VOLCANIC COMPLEX CHINCHILLAS DOME VOLCANIC COMPLEX CERRO REDONDO DOME VOLCANIC COMPLEX AGUILIRI VOLCANIC COMPLEX MONOGENETIC TO POLYGENETIC MA?C VOLCANISM NORTHERN PUNA MA?C VOLCANISM SOUTHERN PUNA MA?C VOLCANISM PART II PALEOZOIC MAGMATISM ORDOVICIAN VOLCANISM IN THE NORTHERN FAMATINA SYSTEM BASIC LAVAS AND HYALOCLASTIC EQUIVALENTS VOLCANICLASTIC RECORDS ORDOVICIAN VOLCANISM IN THE PUNA TEXTURAL-STRUCTURAL CHARACTERISTICS AND EMPLACEMENT CONDITIONS EASTERN MAGMATIC BELT FACIES WESTERN MAGMATIC BELT FACIES CARBONIFEROUS EXTENSIONAL VOLCANISM TEXTURAL AND STRUCTURAL CHARACTERISTICS AND EMPLACEMENT CONDITIONS EFFUSIVE LITHOFACIES VOLCANOCLASTIC LITHOFACIES LAVA DEFORMATION STRUCTURES