Geology of Castlemaine, &c., ivitJi List of Alinerlas. 85 



Galena. — In nearly all auriferous reefs (U.) In fairly large 

 grains, Scotchman's Gully (H). 



Garnet (common red). — Drift of Barker's Creek, crystals 

 embedded in smoky quartz, Bradford Lead (U.) In 

 diallage dyke, Eaglehawk Reef (J. Hornsby) ; in granite, 

 Maldon (J. Dennant) ; in granite, Harcourt quarries ; 

 granitic dyke. Expedition Pass (H.) 



Gold. 



Graphite. — An impure graphite coats slates in vicinity of quartz 

 reefs, eg.., Ajax, Englishman's, and many other reefs (H.) 



Gypsum. — Clays, Mount Consultation, Sandy Creek (U.) 



Gu/nbetite {f) — Replacing graptolites (H.) 



Hezilandiie. — Sparingly, as drusy coatings, Lisle's, Lennox, and 

 Tiverton Reefs (U.) 



Hyalite. — Common in dolerite, Malmsbury (U.) 



Ironglance. — In tabular crystals in quartz reefs, Sandy Creek ; 

 in tabular crystals in dolerite, Malmsbury (U.) 



Labradorite. — Dolerite, Malmsbury, Loddon outliers. 



Linwnite. — As nodular concretions and A^eins in silurian rocks at 

 Fryers, Maldon, Castlemaine, as cement of older drifts 

 (IT.) Pseudomorph after cubical pyrites; Wattle Crully, 

 Bolivia Reef, forming iridescent films on rocks, common 

 (H.) 



Magnesite concretions in various localities (U.); concretions in 

 Kampf 's Gully (H.), Maldon (J. Hornsby). 



Magnetite and Ilnienite, as black sand in alluvial deposits 

 draining from basaltic country (H.) 



Malachite. — Nicholson's Reef (U.) ; small earthy patches Scotch- 

 man's Gully Reef (H.) 



Maldonite. — Nuggety Reef (U.) An alloy of bismuth and gold 

 is obtained in some mines in Maldon at times, on "retort- 

 ing " the mercury. 



Mispichel. — Various recorded localities, massive, and in crystals 

 (U.) 



Molybdenite. — Granite, Maldon (U.) Quartz reefs, Maldon (J. 

 Hornsby). 



Mountain leather. — Tarilta (U.) Associated with tabular crystals 

 of calcite in quartz reef, 900 feet level, South German 

 Mine (H.) 



