Williams SH, Tallman P. Graptolite-based evidence for a revised stratigraphic and structural setting of the Szechuan, Hunan and Xingchang antimony prospects, Exploits Subzone, central Newfoundland. atlgeo [Internet]. 1995 Aug. 1 [cited 2024 Nov. 23];31(2). Available from: https://journals.lib.unb.ca/index.php/ag/article/view/2100