NOTES ON A GEOLOGICAL RECONNAISSANCE OF 



MT. ANNE AND THE WELD RIVER VALLEY, 



SOUTH-WESTERN TASMANIA. 



By A. N. Lewis, M.C, LL.D. 



SYNOPSIS. 



1. Introductory. 



(a) General. 



(b) Geographical position and access. 



(c) Routes followed. 



(d) Previous literature and acknowledgments. 



2. Physiographical Geology. 



(a) Present topography. 



(b) Development of present topography. 



3. Stratigraphical Geology. 



(a) Pre-Cambrian. 



(b) Early Palaeozoic. 



(c) Permo-Carboniferous and Trias- Jura. 



(d) Diabase intrusions. 



(e) Post-diabase sediments. 



4. Glacial Geology. 



(a) Descriptive account of glacial action on Mt. Anne. 



(b) Glacial epochs in Tasmania. 



(c) Cycle of glacial erosion in Tasmania, 

 (a) Other signs of glaciation in the area. 



5. Economic Possibilities. 



(a) Mining. 



(b) Agricultural. 



6. Appendices. 



(a) Extract from an account by H. Judd. 



(b) Explanation of Plates. 



(c) List of Works referred to in text. 



I. INTRODUCTORY, 

 (a) General. 



Major L. F. Giblin, D.S.O.. and Mr. A. V. Giblin during 

 the Christmas holidays of 1920, 1921, and 1922, organised 

 and led three successive trips into the little-known country 

 that surrounds Mt. Anne. The parties met with consider- 

 able difficiltios, and most of the available time was used up 

 in the endeavour to reach Mt. Anne, so the opportunities 

 B 



