268 



H. 8. Summers: 



have been made for me at the Mines Department Laboratory. 

 Excluding the Macedon and Lilydale rocks, all the superior analyses 

 of the Victorian Lower Palaeozoic igneous rocks are given in Table 

 IV. 



TABLE IV. 

 IV. V. VI. 



Sp. Gr. 2.7f 



2.68 2.666 



2.655 2.635 



2.620 2.643 



I. Dacite, Upwey.l (Analyst, H. C. Richards.) 

 II. Adamellite2, Granite Quarry, Mt. Gellibrand, Broad- 

 meadows. (Analyst, H. C. Richards.) 



III. Adamellite, Trawool Quarry. (Analyst, A. G. Hall.) 



IV. Hypersthene quartz porphyrite. Road Metal Quarries^ 



Violet Town. (Analyst, G. Anipt.) 

 V. Granodiorite, Harcourt Quarry. (Analyst, G. Ampt.) 

 VI. Adamellite, Ingliston. (Analyst, A. G. Hall.) 

 VII. Granite, Gabo Island. (Analyst, J. Wateon.) 

 VIU. Granite,3 Mount Buffalo. (Analyst, A. G. Hall.) 

 IX. Granite, Dog Rock.s, Goelong. (Analyst, A. G. Hall.) 

 X. Granite, Cape Woolamai. (Analyst, .\. G. Hall.) 



These analyses have been recalculated to 100 per cent, witli the 

 total iron converted to ferrous oxide and the water omitted. Man- 



1. Froc. Roy. Soc. Victoria, vol. x.\i. (N.S.), Pt. II., 1909, p. 533, 



2. Proc. Roy. Soc, Victoria, vol. xxiv. (N.S.), Pt. I., 1911, p. 177. 



3. Memoirs of Geol. Surv. o( Victoria, No. 6, 19ii8, p. 8. 



