﻿Vol. 66.-] 



PULAU UBIN AND PULAU NANAS. 



421 



publication. 1 I would take this opportunity of mentioning, 

 however, with regard to my record of tin-ore at Bukit Panjang, 2 

 the discovery this year by Mr. Loveridge of tin-ore, in quantities 

 sufficient for working, at Bukit Mandai, near Bukit Timah. 



Pulau Ubin 3 is a small, jungle-clad island set in the eastern 

 entrance to the narrow Straits of Johore, which separate Singa- 

 pore Island from the mainland of the Peninsula. Pulau Nanas 

 is a still smaller island north of Pulau Ubin, lying close to the 

 Johore coast. On both islands there are quarries, the stone worked 

 being used in Singapore town ; and of late a large quarry has been 



Fig. 1. — Sketch-map of Pulau Ubin and Ghangi (Singapore). 



Scale: 1 inch = about 2 miles 



J o 



a Pulau 



,sj^ Kitam\\ ' Tanjong Jeluton- 



ISLAND OF SINGAPORE 



opened up on Pulau Ubin, near Pulau Kitam, for harbour works. 

 For convenience this will be referred to as the South Quarry, while 

 the Municipality Quarry on the northern coast of Pulau Ubin will 

 be referred to as the North Quarry. Quarries 1, 2, & 3 will be 

 mentioned by their numbers. 



1 'Notices of the Geology of the Straits of Singapore' (with geological 

 map) Quart. Journ. Geol. Soc. vol. vii (1851) p. 310. 



2 Geol. Mag. dec. v, vol. vi (1909) p. 19. 



3 Pulau Ubin = the island (Pulau) of hard stone ; Pulau Nanas = the 

 pineapple island. 



