[Proc. Roy. Soc. Victoria, 23 (N.S.), Pt. II. 1910.] 



Art. XXXVI. — TLe Structure and General Geology of 

 the Warrandyte Goldjield and Adjacent Country. 



By J. T. JUTSON, 



Victorian Grovennueut Reseaich Scholar, University of Melbourne. 



(With Plates XCL-XCIEI.). 

 [Read Sth December, 1910.] 



Contents. 



Introduction. 



Previous Litkkaturi<:. 



The Silurian Rocks of the District Generally. 



(a) Area. 



(b) Potrology. 



(c) Geological Structure. 



(d) Fossils and Conditions of Sedimentation. 



(e) Age and Tliiekness of the Rocks. 



(f) Denudation. 



(g) Character of the Rocks from which the Silurian 



Derived. 



The Warrandyte Goldfield. 



(a) Geological Structure. 



(b) The Quartz Reefs. 



(c) Dykes. 



(d) Cause of the Horizontal Limitation of the Field. 



(e) Age of the Reefs and Dykes. 



(f) Mode of Occurrence of Gold. 



(g) Mining History. 



(h) Possibilities of Further Development of Quartz 

 Mining. 



Summary. 



References to Literature. 



1 



