CONTENTS. 



CHAP. PAGE. 



Introduction 7 



I. Summarised Account of the Metamorphic Rock Types found in situ 



in Adelie Land 9 



II. Physiography of Cape Denison 15 



Agents of Denudation 15 



Origin of Valleys 18 



Moraines 19 



Note on a Consolidated Beach Sand, by F. Chapman 21 



Note on Morainic Material, by F. Chapman 22 



III. Metamorphosed Dyke Series of Cape Denison 23 



1. Nomenclature 23 



2. Field Characters 25 



3. Petrographical Characters 27 



Summary 37 



4. Crystalloblastic Order 40 



5. Chemical Characters 41 



Grubenmann's Classification of the Crystalline Schists .... 43 



The Classification of the Cape Denison Amphibolites 45 



6. Metamorphosed Xenoliths '. ...:... 48 



Saussuritic Type 48 



Gneissic Type 51 



Origin of Meta-xenoliths 53 



7. The Origin of the Amphibolite Series 55 



8. The Origin of certain Clots in the Metamorphosed Dykes and 



Metamorphic Differentiation 58 



9. Description of the Coarsely Crystalline Basic Patches in the 



Granodiorite Gneiss 65 



