THE MALAYAN PENINSULA. 231 
IDE 
ft. in. 
IFOUIG SOU gael mein dene ra min tala teers tata 4 0 
Sand varying from white to brown ......... 4 0 
Warksorey sand)... «tenaisieneiteh siece.sces son 6 0 
SiragumMeawithvOrele cc ccsecseemccekce senor 4 0 
IEe=Claymasahatiics (Souueeanaunonounaeeeceene (?) 
18 0 
IV. 
Hedi GAMA. cehesaciastinisadviantc useiemotere Cee 2 0 
SAMGearihtyancwacseanch eset sate aneeeteee eee 5 6 
\AUIMIS, acen AGEN Appopeeaanaoeandbecnopceooeeouoc 4 6 
Black clay with trunks of trees............... 7) 
Sera lomo One yi kee. te ode cea. acclescua cence Dd O 
PE UPO- CLAVE Mi stasdondshiot:beakouaokeneanttenenaeenes (?) 
19 0 
Ve 
intel Vopianep sepedeccnsastondieeenudeocuenddsacsccocs 4 0 
Sam Gi Grit: isis qctsnig odeeres cqdedadeciianooadseueades 89 
Wihitish-oreye clay) sic2.sdassascecnaceesensececne 9 3 
Sbrabuma OM Oren. ccecvacesccscuscucaemeneenseee 6 0 
NAMGSTONO sa necceratamecsaatescacomecaseavecse teres (?) 
28 O 
VI. 
HRCA CAD ET OAT G cv sicsnsee nniveaaiisevoseiccuint sles by 
iWanitish-orey (clay Jces.e.eecl series: 3 6 
WD rubtisamdlesouckrccecsaesecccaceesknedeecaseucasice 8 6 
bral UMM OMOre son. cceesesinisaes-ckmcneeecseeciciees 8 O 
ann stoner caste aceaaneecsaniceenastee mecca sata (?) 
25 0 
Some idea of the irregular stratification of the deposits in the tin- 
field may be obtained from the fact that in a working of less than 
100 feet square the details of the sections of each of its sides differed, 
though, of course, there was a general similarity. 
The depth at which the tin-ground is struck depends upon position 
and locality. There is probably no working at a greater depth than 
30 feet. All the mining in Larnt is by open excavations. A mean 
derived from measurements of the depths of 43 mines in the Ka- 
muntin Section gives an average of 9°91 feet, the greatest and least 
depths respectively being 21 feet and 4 feet. The greatest known 
thickness of the tin-stratum is 10 feet. The mean thickness, from 
measurements in the above 43 mines, is 4°87 feet, the range being 
from 2 to 7°5 feet. The spring-level of the country may be taken 
generally at a depth of 6 feet below the surface of the ground. 
The workings cover an area of nearly 4 square miles of country, 
affording occupation for nearly 7000 labourers (Chinese), and yield 
an ageregate “ output” of about 13,000 bharas, equivalent to 52,232 
ewt. of tin per annum*, ‘The industry is fast developing under the 
British rule and bids fair to eclipse, in a period far from remote, the 
* The ore, when smelted (by the rude native process), yields from 60 to 62 
per cent, of metal, 5 
R 
