The geology of Ascutney Mountain, Vermont . «lUP»^26 22808 0 iwm\. CONTENTS. Page. Introduction 7 Nature of the investigation 7 Acknowledgments 7 Chapter I. Physical geography 8 General topography of the area 8 Drainage 10 Glaciation of Mount Ascutney 13 Summary 13 Chapter II. General description of the schists in the area 14 Phyllitic series 14 Gneissic series 17 Geologic age of the schists and of the intrusive rocks 19 Summary „._ 20 Chapter III. Contact metamorphism 22 The metamorphic aureole . 22 Changes in limestones 23 Metamorphism of the phyllites 24 Series A of specimens from the me
The geology of Ascutney Mountain, Vermont . «lUP»^26 22808 0 iwm\. CONTENTS. Page. Introduction 7 Nature of the investigation 7 Acknowledgments 7 Chapter I. Physical geography 8 General topography of the area 8 Drainage 10 Glaciation of Mount Ascutney 13 Summary 13 Chapter II. General description of the schists in the area 14 Phyllitic series 14 Gneissic series 17 Geologic age of the schists and of the intrusive rocks 19 Summary „._ 20 Chapter III. Contact metamorphism 22 The metamorphic aureole . 22 Changes in limestones 23 Metamorphism of the phyllites 24 Series A of specimens from the metamorphic aureole 24 Series B of specimens from the metamorphic aureole 31 Series C of specimens from the metamorphic aureole 33 Comparison of the metamorphic effects 33 Summary ^ 35 Chapter IV. The eruptive rocks . 36 General table and correlation ^ 36 Gabbros, diorites, and related rocks : 38 Basic stock; its gabbro and diorite phases 38 • Basic segregations 43 Dioritic dikes cutting the Basic stock 44 Windsorite dikes cutting the Basic stock 45 Syenites 48 Mgeologyofascutne00daly
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashi, bookyear1903
