Watch the Dallas Symposium LIVE, and fundraiser auction
Ticket proceeds support mindat.org! - click here...
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Cotterell, Tom F., Rumsey, Michael S. (2014) Supergene manganese mineralisation at Gyrn ddu and Bwlch Mawr, Clynnog-Fawr, Caernarfon, Gwynedd, Wales. Journal of the Russell Society, 17. 17-23

Advanced
   -   Only viewable:
Reference TypeJournal (article/letter/editorial)
TitleSupergene manganese mineralisation at Gyrn ddu and Bwlch Mawr, Clynnog-Fawr, Caernarfon, Gwynedd, Wales
JournalJournal of the Russell Society
AuthorsCotterell, Tom F.Author
Rumsey, Michael S.Author
Year2014Volume17
PublisherThe Russell Society PlaceUK
Classification
Not set		LoC
Not set
Mindat Ref. ID16862511Long-form Identifiermindat:1:5:16862511:8
GUID0
Full ReferenceCotterell, Tom F., Rumsey, Michael S. (2014) Supergene manganese mineralisation at Gyrn ddu and Bwlch Mawr, Clynnog-Fawr, Caernarfon, Gwynedd, Wales. Journal of the Russell Society, 17. 17-23
Plain TextCotterell, Tom F., Rumsey, Michael S. (2014) Supergene manganese mineralisation at Gyrn ddu and Bwlch Mawr, Clynnog-Fawr, Caernarfon, Gwynedd, Wales. Journal of the Russell Society, 17. 17-23
In(2014) Journal of the Russell Society Vol. 17. The Russell Society

See Also

These are possibly similar items as determined by title/reference text matching only.

Cotterell, T. (2009) Supergene manganese mineralisation associated with the Camdwr Fault in the Central Wales Orefield. Journal of the Russell Society, 12. 17-27
Cotterell, Tom F. (2012) The rediscovery of type mineral species at the Benallt Manganese Mine, Rhiw, Pen LlÅ·n, Gwynedd, Wales. Journal of the Russell Society, 15. 29-40
Cotterell, Tom F., Tindle, Andrew G., Tayler, Richard (2014) Ganophyllite-group minerals from the manganese mines at Rhiw, Pen LlÅ·n, Gwynedd, Wales, including the first British occurrences of eggletonite and tamaite, and evidence for a barium analogue. Journal of the Russell Society, 17. 24-30
Cotterell, Tom F., Young, Brian, Hopkirk, Andy, Lamb, J. A. Charles (2020) Supergene manganese mineralisation in the Northern Pennine orefields. Journal of the Russell Society, 23. 101-111
Cotterell, Tom F. (2012) The rediscovery of type mineral species at the Benallt manganese mine, Rhiw, Penn LlÅ·n, Gwynedd, Wales. Journal of the Russell Society: 15: 29-40. https://www.researchgate.net/publication/259703038_The_rediscovery_of_type_mineral_species_at_the_Benallt_Manganese_Mine_Rhiw_Pen_Llyn_Gwynedd_Wales_Journal_of_the_Russell_Society
Cotterell, T. F. (2006) Hydronium jarosite from Brynycastell Mine, Dolgellau, Gwynedd, Wales. Journal of the Russell Society, 9. 65-67
Cotterell, Tom F. (2013) A new assemblage of manganese silicates in the Lower Cambrian manganese ore bed, Harlech, Merionethshire, Wales. Journal of the Russell Society, 16. 39-51
Mason, John S., Liezers, Martin, Cotterell, Tom F. (2018) Andradite-bearing skarn-like mineralisation and a suspected palaeogene dyke from Coed y Brenin, North Wales. Journal of the Russell Society, 21. 106-123
Tremlett, W. E. (1964) The geology of the Clynnog-fawr district and Gurn Ddu hills of Northeast Lleyn. Geological Journal, 4 (1) 207-223 doi:10.1002/gj.3350040116
Cotterell, T. F. (2008) The First British Occurrence of Feitknechtite at Benallt Manganese Mine, Rhiw, Pen Llyn, Gwynedd, Wales. Uk Journal of Mines and Minerals 29, 47-48
Dyer, Alan, Green, David I., Williams, Craig D. (2014) Kinoshitalite from Bennalt Manganese Mine, Rhiw, Pen LlÅ·n, Gwynedd, Wales: a first British occurrence. Journal of the Russell Society, 17. 30-32
 
and/or  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: August 21, 2025 01:41:34
Go to top of page