18 
locality is about three inte north-east of Yorketown. The 
stone is not so coarse in the grain as many of the erratics of 
block, as a whole, is now of a deep red color en penetrat- 
ing iron stains. The mica constituent is Bioti 
(g) Well-Sinking at Yorketown.—Sinking for water has been 
extensively tried throughout the district with varying suc- 
sess. All such sinkings have been in stiff clay, and I have 
hat 
ar as I could ascertain, was the clay bed penetrated to the 
bed rock in these sinkings. 
(h) Government Bore in Tocchi's Lagoon.—In 1890 the Go- 
vernment put down a trial bore at the northern end of 
Tocchis Lagoon, situated in Section No. 291, Hundred of 
Melville, about a mile east of Yorketown. Through the 
Pe ee of Mr. J. W. J Conservator of Water, l a 
nabled to give nat TOONIDE particulars of the strata "passed 
Krach $ in the bor 
Tt. in. 
Black mud spa ae Se o 21,9 
Dark clay with gypsum ins ran 2 29 UU 
Dark clay l er 2 ER! 
Hard sandstone n Kar "e i  - HU 
Sandy clay n a Pe por Ue 
Very hard blue rock ... a dE. m | i 
Bore stopped at ... .905 5 
e above sinking was ee T in he Balder clay of the 
district and shows a local dave pant of, at least, something 
over 300 ft. Work was stopped on meeting a hard rock. 
which was penetrated to the extent of eleven inches. The 
false impression that Aci: had been touched. The section 
is, however, an extr mely interesting one, and supplies evi- 
dence of the great ne e glacial deposits that occur over 
the southern portions of the peninsula. 
