LOW FURNESS, LANCASHIRE. 437 



So the Hole Beck stone contains a much greater 

 amount of iron than the Mansfield bed. 



The patch of limestone above described, cannot 

 at present be connected with any deposit either 

 above or below it, the district is so enveloped 

 with drift. Extensive borings require to be 

 made before the country can be well known, 



No trace of the lower new red sandstone has 

 yet been seen in the neighbourhood. 



Coal Measures ? — About one-fourth of a mile 

 north of the limestone quarry last described, and 

 a little above Stank, many years ago, two pits 

 were sunk in attempts to search for coal. I have 

 not been able to learn the result. On the outside 

 of the old shafts, there are now lying black and 

 brown shales, more resembling coal measures 

 than any other deposits that I am acquainted 

 with. In them, I found no remains of plants, 

 but I met with scales of Holoptychius and 

 Palseoniscus. 



Carboniferous, or great ScarLimestone. — 

 This is the most important rock of the district, 

 from the fact of its containing the valuable iron 



