Subject ASC0003sku
The geological magazine, or, Monthly journal of geology.
[Decade 1]:v. 10 (1873), Page 401 (1873)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32527840
Keywords
geology Ireland Tyrone Haematite hematite carboniferous limestone beds strata nodule structure Hematite tyrone carboniferous shale deposit Carboniferous Limestone Beds Cookstown Co. scale brown shell coating Tertiary beds Lough Neagh decomposition Rock thatthe outter shell was cut away so that you can see the inside graph fault line limestone limestone beds haematite shale beds mammillated fibrous brown haematite