287 



Marl from the farm of Mr. Benjamin Coiilson, three miles 

 from Woodstown, on the road to Mullica Hill. 



Description. — Colour, very rich verdigris green ; washed gra- 

 nules, dark rich olive-green, rather large in size. 



Composition. — In 100 parts: 



Greensand, - - - 90 

 Clay, - ... 10 

 Quartzose sand, - - none. 



100 



The proportion of potash in this marl by analysis, is 10*1 per 

 cent. 



Marl from the farm of John Dickinson, two miles from, 



TVoodstown. 

 Description. — Colour, light sea-green ; the washed grains, dif- 

 fering from the original only in their deeper colour. 

 Composition.-^ln 100 parts: 



Greensand, - . - 92*59 

 Clay, - . . . 7-41 



Quartzose, - . - none. 



10000 



The proportion o{ potash in this marl by direct analysis, is 10-4 

 per cent. 



Marl from the farm of Mr. Mien Wallace, two miles from 



Woodstoiun. 



Description. — Colour, dark sea-green; washed granules, still 

 darker, size rather large. 



Composition. — In 100 parts: 



Greensand, - - - 90-00 

 Clay, .... 8-00 



Quartzose, ... 2-00 



10000 



The proportion of potash which this marl contains by analysis, 

 is 10-2 per cent. 



