18 



tide 



■9>per 



lodedpel 



// 



,//. 



Oflfti 



1 HI; 



un bed 



3 



• b( 



it IS fi 



the ell 

 ot only vs 



also on ic 

 ther iro: 



ort, id S 



» 



ide of iron. 



I 'ilts. 



ded concr 



5e4 ' 



h p** 



(1. 





e^ 



rt 



chf 





*»» 



AND IRON ORES. 



89 



A button of iron, reduced from the ore, is placed with it for Upper 

 illustration. GA !ff ET - 



1 42.— BROWN IRON ORE. Wall-case 43. 



143. — Stalactitic brown iron ore. 



143a. — Sparry iron ore. 



Nos. 142, 143, 143a, 143b, and 158 occur in the middle 

 division of the Carboniferous Limestone of the Forest of 

 Dean, where it is raised in considerable quantities. By the 



"^ "Hi last returns, the number of tons of ore raised was 92,608. 



Mineral Statistics for 1855," by II. Hunt, F.R.S., 



(See " : 

 p. 48.) 

 143b. 



*/« 



(hy 





144. — Ironstone, from the " Pennystone band " of the 



Coal Measures. 



D 



145. 



fi 



{Productus), a P 

 albrook Dale. Sa< 



146. — Ironstone, from the " crosstone beds" of the Coal 



Measures. — Ironbridge, Salop. 



147. — Pyrolusite {grey manganese ore), from Magnesian 



Conglomerate. 



Mendip Hills, Somerset. 



148. — Pyrolusite {grey ore of manganese) 



149 and 150. 

 Hilly Scotland. 



( 



( Coal Measures). — Torbane 



151. 



•Big vein " coal brass," from Coal Measures. 



Donnington, Coalbrook Dale, Salop. 



152. — Ironstone (Pennyearth ironstone), : 

 sures. — Sirhowy Ironworks, Monmouthshire. 



153. 



fi 



Do 



Dale 



154. 



bonate of iron. 



fi 



m 



This is similar to the famous black band ironstone of the 



lower Coal Measures of Scotland, discovered by Mushet, in 

 1801. 



