183 FEH-MOR : GEOLOCY AND COAL RESOURCES OF KOREA, C. P. 
Table 2. 
Average Composition of Korean Coals. 
KURASIA FIELD. 
SANHAT FIELD. 

KURASIA Area. 
Chirhiri Area. 
HORIZON. 
1 
2 
Western 
outcroj). 
1 
2 
3 
4 
5 
3 
3 
Karar 
Klioli 
average. 
5 
Number of 
Analyses 
3 
6 
4 
1 
2 
6 
6 
1 
9 
10 
3 
Moisture 
5-79 
4-19 
3-48 
4-73 
B-57 
6-19 
8-66 
10-02 
9-46 
7.7 
7-44 
Volatile matter . 
22-22 
24-00 
18-51 
29-25 
2718 
29-39 
30-92 
31-06 
30-72 
29-1 
28-22 
Kixed Carbon 
44-80 
44-00 
46-84 
4.5-88 
56-21 
51-08 
48-86 
45-64 
46-67 
51-2 
41-65 
Ash . 
21-19 
27-Sl 
3117 
20-14 
11-04 
13-34 
11-56 
13-28 
1315 
120 
22-69 
Striking an average of these figures we get the following mean 
composition for the Sanhat and Kurasia fields respectively with 
which are compared average figures for coals from the Raniganj 
field 1 :— 
Table 3. 
Comparison of Composition of Korean and Raniganj Coals. 
Sanhat 
field. 
Kurasia 
field. 
Raniganj 
upper 
scams. 
Raniganj 
lower 
seams. 
Barakar 
scams. 
Moisture 
4-49 
7-47 
6-81 
3-76 
1-06 
' Volatile matter . 
23-58 
29-48 
32-19 
31-51 
25-96 
Fixed carbon . 
45-21 
48-40 
44-76 
49'68 
56-22 
Ash .... 
26-72 
14-65 
16-24 
15-05 
16-76 
Calorific value (calculated)* 
5,674 
6,217 
5,870 
6,417 
6,915 
» Ball & Simpson, 3Iem., 0. S. I., XLI, p. 48 (1913). 
» Goutal., Comptes Eendus, Vol. 135, 1902, p. 447, and Cox, Philippine. Journ. 
Sei-r A; Vol. 4, 1910, p. 172. 
