pyritous

Improved furnace and apparatus for treating pyritous ores
On a Group of Minerals Formed by the Combustion of Pyritous Shales in Midlothian
Roasting of pyritous minerals.
Improvement in treating pyritous and other sulphur ores
IV. On the decomposition of the muriate of soda, by means of the waters flowing from the lixiviation of the efflorescent pyritous ea...
Autoclave leaching of low-quality zinc concentrate
The Middle Cambrian Trilobite Naraoia, Burgess Shale, British Columbia
An early Ordovician shore-line in Radnorshire, near Builth Wells
The Lower Lias of Robin Hood's Bay, Yorkshire, and the work of Leslie Bairstow
A review of Jurassic chronostratigraphy and age indicators for the UK