142 ENOGGERA GRANITE AND ALLIED INTRUSIVES. 



Further, the writer endeavours to correlate the granites 

 and other igneous rocks under consideration with those 

 of the New England district of New South Wales, and the 

 Stanthorpe district of Queensland, by means of frequent 

 comparisons. Unfortunately, here the important work 

 of correlation must end since the granites of Queensland — 

 with the sole exception of those of the Stanthorpe area - 

 have received only very meagre attention at the hands of 

 geologists. 



In addition to the above, a short description of the 

 physiographical and topographical features of the area 

 is given, and their relation to the igneous rocks 

 demonstrated. This phase of the work is illustrated by 

 a sketch map, showing the chief elements in the topography 

 of the district. 



* 

 ii. — General and Historical. 



The rocks to be described occur principally in the 

 parishes of Enoggera and Indooroopilly. The area lies 

 to the west of Brisbane, between Kedron Brook on the north, 

 and a line from the mouth of Moggill Creek to Corinda 

 railway station on the south, while to the west it is bounded 

 by Moggili Creek, the Enoggera Reservoir and Cedar Creek. 



The earliest reference to the geolog}' of this area which 

 the writer has been able to discover was in the year 1887, when 

 in his '■ Report to Accompany a Geological Map of the City 

 of Brisbane and its Environs "^, Mr. W. H. Rands referred 

 to a '■ ' boss ' of granite intruded into the schists to the west 

 of Brisbane." " It is," he continued, " but a small patch 

 about three miles in diameter, extending west as far as the 

 Enoggera Reservoir." In his map, Mr. Rands shows a 

 portion of the main outcrop of the Enoggera granite, and 

 also several dykes crossing the track along Taj'lor Range. 

 In 1897 Mr. R. L. Jack, at that time Government Geologist, 

 reported having passed over granite " from the middle 

 of selection 166 to the western boundary of 682 (Enoggera) "^ 

 when on a visit to the Enoggera Goldfield. Two years 



1. Old. Geol. Survey, Pub. 34. 



2. Annual Progress Report Qld. Geol. Sui-vey, 1897. 



