The Quarterly journal of the Geological Society of London . au (Gunong is the Malay equivalent for mountain)is a mountain 1126 feet high, situated in the centre of the MainRange of the Peninsula, on the boundary between the two States,Selangor and Pahang. The name will not be found on any pub-lished map, but it will suffice to say that, in the sketch-mapaccompanying my paper on the Geological History of the MalayPeninsula / its position is near the source of the River Selangor,at the boundary of the State of that name. The sketch-map accompanying the present paper (fig. 1, p. 364)gives some id
The Quarterly journal of the Geological Society of London . au (Gunong is the Malay equivalent for mountain)is a mountain 1126 feet high, situated in the centre of the MainRange of the Peninsula, on the boundary between the two States,Selangor and Pahang. The name will not be found on any pub-lished map, but it will suffice to say that, in the sketch-mapaccompanying my paper on the Geological History of the MalayPeninsula / its position is near the source of the River Selangor,at the boundary of the State of that name. The sketch-map accompanying the present paper (fig. 1, p. 364)gives some idea of the surroundings of the mountain. On the westare the sources of the Rivers Kajang, Bakau, and Luit; on the eastis the source of the River Chinchong. The slopes of the mountainare steep, sometimes as much as 15°; but, until mining operations 1 Q. J. G. S. vol. lxix (1913) pp. 343-71 & pi. xxxv. 364 ME. J. E. SCEIYEXOE OX THE [Dec. I914, Fig. 1.—SJcetcJt-mcq? of Gunong Bakau and itsimmediate surroundings. [The capital initialsrefer to quarriesj. [Approximate scale: 8 inches=l raile] [All the big veins are not shown ; their course is roughly indicated bythe heavy black bands.] Vol. 70.] TOPAZ-BEARING EOCKS OF GUXOXG BAKAIT. 365 commenced, the whole of the peak was covered with dense is now the scene of considerable mining activity, and is a strikingtribute to the perseverance of the two well-known Pahang miners,Mr. A. H. Bibbv and Mr. J. Buxton, to whom I am indebted forassistance in keeping pace with developments in the ChinchongValley since 1904. I am also indebted to Mr. W. M. Mason forvaluable help on the Selangor side of the mountain. The history of the development of Gunong Bakau is 1904, or perhaps earlier, Messrs. Bibby & Buxton found inthe Chinchong Valley numerous boulders of a rock consistingessentially of quartz, topaz, and cassiterite. The percentage oftin-ore was sufficient to stimulate a search for the source of theboulders, and
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Keywords: ., bookcentury1800, bookdecade1840, bookidquarte, booksubjectgeology
