Zementierte Brekzien von Zinkblende, Eisenoxid und Quarz. Primärerz war Siderit. Manganoxide.
Gesamtproduktion im Zeitraum von 1845 bis 1910 wird geschätzt mit 200.000 t Eisenerz, 32.000 t Sphalerit, 2.500 t Bleierze, 2.000 t Pyrit and 250 t Kupfererze.
Perron Iron Lode, Perranzabuloe, Newquay-Perranporth Area, St. Agnes, Cornwall Co., England, UK
Useful for image descriptions and collection inscriptions
Important: Before entering this or any other place of discovery you should have a permission of the operator and/or owner. Likewise it is to be respected that necessary safety precautions are kept during the visit.
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Tvrdý, J. et al. (2021): (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode)
Tvrdý, J., Plášil, J., Sejkora, J., Škoda, R., Vrtiška, L., Dolníček, Z., Petr, M., and Veselovský, F.: Ferroberaunite, IMA 2021-036, in: CNMNC Newsletter 63, Eur. J. Mineral., 33, https://doi.org/10.5194/ejm-33-639-2021, 2021.
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Tvrdý, J. et al. (2021): (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode)
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Tvrdý, J. et al. (2021): (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode)
Jaromír Tvrdý; Jakub Plášil; Luboš Vrtiška; Jiří Sejkora ; Radek Škoda, Zdeněk Dolníček; Martin Petr; František Veselovský: Ferroberaunite, Fe2+Fe3+5(PO4)4(OH)5⋅6H2O, a mixed-valence iron member of the beraunite series, from the Gravel Hill mine, Perranzabuloe, Cornwall, England. Mineralogical Magazine February Vol. 86, Nr. 3 (2022) S. 363-372. (England/Cornwall Co./St. Agnes District/Newquay-Perranporth Area/Perranzabuloe/Perron Iron Lode/Gravel Hill Mine)
Mineral -> approved mineral Mineral (TL) -> mineral type locality Mineral -> not approved mineral -> pictures present 5 -> number of part localities with these mineral M -> Link to common mineral page i -> Information etc. r -> Reference Mineral ? -> Occurrence douptful
Rock -> name of the rock Rock (TL) -> rock type locality -> pictures present 5 -> number of part localities with these rock R -> Link to common rock page i -> Information etc. r -> Reference Rock ? -> Occurrence douptful
Reid, C., Scrivenor, J.B., Flett, J.S., Pollard, W., and MacAlister, D.A. (1906): The Geology of the Country near Newquay. HMSO Publ. (London), 131 S.
Collins, J.H. (1912): Observations on the West of England Mining Region. Transact. Royal Geol. Soc. Cornwall 14, 1-683.
Cantrill, T.C., Sherlock, R.L., and Dewey, H. (1919): Special Reports on the Mineral Resources of Great Britain, Vol. 9 - Iron Ores. HMSO Publ. (London), S. 61-67.
Dines, H.G. (1956): The metalliferous mining region of south-west England. HMSO Publ. (London), Vol.1, S.440-47.