202 



Greensand from the Marl of Josiah Heritage, two miles and a half 

 east of Barnesborough, Gloucester county. 



Description. — Colour of the granules, a very dark olive-green 

 approaching black ; size rather large ; forms 93-70 per cent, of the 

 marl. 



Composition. — In 100 parts: 



Silica, - - - . 47-50 

 Alumina, ... 7-84 



Protoxide of iron, - - 23-78 

 Potash, - - - - IMl 

 Lime, - - - . 0*50 



Water, .... 9-00 



99-73 



Greensand from the Marl of Michael Allen's pits, one mile and a 

 half east of Mullica Hill, Gloucester county. 



Description. — Colour of the granules, brownish green; they 



99-60 



Greensand from the Marl of Elijah Horner^s pits, one mile and a 

 half southwest of Mullica Hill, Gloucester county. 



Description. — Colour of the granules, a rich green, rather 

 darker than the average; size, large; forms 90-75 per cent, of 

 the marl. 



