Explored three lodes: Penpraze Lode, Park-an-Step Lode, and Wheal Bramble Lode. Despite these efforts, there are no known production records, suggesting the mine was unsuccessful. Recently observed lode material on the remaining dump at Engine Shaft exhibits Sphalerite, Pyrite, Chalcopyrite in strongly chloritised vein material, and Cassiterite present in Quartz/Tourmaline veinstones.
Publications (2)
Collins, J.H. (1912); Observations of the West of England Mining Region; 753 pages
Dines, Henry George (1956); BGS - Regional Memoirs - Metalliferous Mining Region of South West England Vol1, The; 567 pages