The small coalfield of Karharbari with an area of only i i sq.
The coalfield extends northwestward towards Bristol, and is of great importance to the manufactures of that city.
In the vicinity of the city there are salt wells, and Saginaw county is the most productive coalfield in the state - in 1907 its output was 1,047, 9 2 7 tons, more than half the total for the state.
There were 39,4 8 3, 8 44, 000 tons, together with 854,608,307 tons in that part of the Cumberland coalfield beyond 5 m.
In the Rajmahal Hills basaltic lava flows are interbedded with the Gondwana deposits, and in the Karharbari coalfield the Gondwana beds are traversed by dikes of mica-peridotite and basalt, which are supposed to be of the same age as the Rajmahal lavas.
North and east of Helsingborg lies the only coalfield in Sweden, extending into the lofty Kullen peninsula, which forms the northern part of the east shore of the Sound.
In the northern part of the coalfield in Cannock Chase.
Lignitic dial was discovered on or near the coast of Coos Bay as early as 1855, and this is still the only productive coalfield within the state, although there are outcroppings of the mineral all along the Coast Range N.
The chief coalfield of Japan.
The only important occurrences of coal in the south are in eastern Tipperary, near Killenaule, and in the Leinster coalfield (counties Kilkenny and Carlow and Queen's County), where there is a high synclinal field, including Lower and Middle Coal-Measures, and resembling in structure the Forest of Dean area in England.