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sandy glacial drift of the Inman were noticed in the bed of the- 

 stream. It was in this valley that the three bores of the Victor 

 Harbour Coal Company were put down, passing through sand- 

 stones, shales, and boulder beds to a depth of 964 feet before 

 the old rocks were touched. 



The most remarkable section of glacial drift discovered in the 

 district was in the Government Quarry in Woods Creek, a 

 tributary of the Bungala, and situated about a mile from the 

 centre of the township of Yankalilla. It is a white, yellow, and 

 grey sandstone, soft near the surface, but passing down to very 

 strong posts in the bottom of the quarry, which can only be won 

 by blasting. The stone is much jointed and appears to dip at 

 20° to N.N.W. There is a vertical exposure of about 50 feet, 

 and the quarry has been opened for a distance of about 150 

 yards. The appearance of the face is very remarkable. Large 

 and small erratics are plentifully distributed throughout its 

 entire thickness, granite being very conspicuous, but mostly 

 rotten. One of the latter fragments was noticed that measured 

 18 in. by 10 in. The included stones, where not decomposed, are 

 for the most part glacially smoothed or striated. The quarry has 

 been used for years as a supply for road metal, and has made 

 Yankalilla and neighbourhood famous for its good roads. In the 

 creek, close by, the drift is seen to rest unconformably on quartzite 

 thickly penetrated with a network of syenitic and other igneous 

 veins. No polished pavement at the line of junction was 

 visible. 



On the road between Yankalilla and Cape Jervis proofs of 

 glacial action were seen in two places. About nine miles from 

 Yankalilla, in a cutting of the road on the eastern side, a sub- 

 angular erratic of red quartzite measuring 18 in. by 11 in. lies 

 near the top of the bank. The stone is very highly polished and 

 striated, and close to it is a sharply angular grey quartzite of 

 larger size, but not showing glaciation on the faces exposed. 

 Estimated height above the sea, 300 feet. 



On the south side of Fowler's Hill, just past the 59th milepost 

 from Adelaide (13 miles from Yankalilla), a section of glacial 

 drift with striated pebbles is exposed in a road cutting. The 

 drift occurs on the eastern side as a pocket 33 yards long and 

 12 feet high, enclosed within calcareous shale. Erratics are 

 numerous, the largest observed being a greenish quartzite 12 in. 

 by 6 in., exhibiting striae. Estimated height above level of sea, 

 500 feet. 



At Cape Jervis there is the most extensive development of 

 glacial Till that has been up to the present observed in South 

 Australia. The morainic material occupies the background to 

 the lighthouse in crescent-shaped hills more than a hundred feet. 



