ALMOST THERE!. Help us with a final push needed to keep mindat.org running. Click here to help.
Catawiki are hosting a mindat.org benefit auction. All proceeds to mindat.org! BID NOW
Log InRegister
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 Articles
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 CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Nechalacho deposit, Thor Lake syenite complex, Blachford Lake alkaline complex, Mackenzie District, Northwest Territories, Canada

This page is currently not sponsored. Click here to sponsor this page.
Key
Lock Map
Latitude & Longitude (WGS84): 62° 6' North , 112° 40' West
Latitude & Longitude (decimal): 62.10000,-112.66667
GeoHash:G#: c7pck0yws
Locality type:Deposit
Köppen climate type:Dfc : Subarctic climate


The Nechelacho deposit is a Layered Alkaline Suite (Sheard et al 2012) appox. 2 km² in area located in the Thor Lake syenite complex within the huge Blanchford Lake alkaline complex. It is a REE, rare metal deposit owned by Avalon Rare Metals Inc., and is being prepared for production in 2015.


Mineral List


66 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleoproterozoic
1600 - 2500 Ma



ID: 629930
Igneous: intrusive; Intrusive: undivided

Age: Proterozoic (1600 - 2500 Ma)

Description: North America, Slave Craton

Comments: Craton and massif; Hoffman et al., 1993; Stubley, 2005; Tella et al., unpublished compilation, 2007-08a

Lithology: Alkaline, peralkaline and subalkaline granite, quartz syenite, diorite, gabbro, foyaite, ijolite, carbonatite

Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. [2]

Siderian
2300 - 2500 Ma



ID: 3185293
Paleoproterozoic intrusive rocks

Age: Siderian (2300 - 2500 Ma)

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
SHEARD, E.R. (2010) Behavior of zirconium, niobium, yttrium and REE in the Thor Lake rare-metal deposit, Northwest Territories, Canada. Unpublished M.Sc. thesis, McGill University, Montreal. 140p.
SHEARD, E.R., WILLIAMS-JONES, A.E., HEILIGMANN, M., PEDERSON, C. & TRUEMAN, D.L. (2012) Controls on the concentration of zirconium, niobium, and the rare earth elements in the Thor Lake rare metal deposit, Northwest Territories, Canada. Economic Geology, 107(1), 81-104.
SINCLAIR, W.D., JAMBOR, J.L. & BIRKETT, T.C. (1992) Rare earths and the potential for rare earth deposits in Canada: Exploration and Mining Geology, 1, 265−281.
SMITH, D.G.W., DE ST-JORRE, L., REED, S.J.B., & LONG, J.V.P. (1991) Zonally metamictized and other zircons from Thor Lake, Northwest Territories: Canadian Mineralogist, 29, 301−309.
TRUEMAN, D.L., PEDERSON, J.C., DE ST-ORRE, L., & SMITH, D.G.W. (1988) The Thor Lake rare-metal deposits, Northwest Territories: Canadian Institute of Mining and Metallurgy Special Volume 39, p. 280−290.
SHEARD, E.R. (2010) Behavior of zirconium, niobium, yttrium and REE in the Thor Lake rare-metal deposit, Northwest Territories, Canada. Unpublished M.Sc. thesis, McGill University, Montreal. 140p.
SHEARD, E.R., WILLIAMS-JONES, A.E., HEILIGMANN, M., PEDERSON, C. & TRUEMAN, D.L. (2012) Controls on the concentration of zirconium, niobium, and the rare earth elements in the Thor Lake rare metal deposit, Northwest Territories, Canada. Economic Geology, 107(1), 81-104.
SINCLAIR, W.D., JAMBOR, J.L. & BIRKETT, T.C. (1992) Rare earths and the potential for rare earth deposits in Canada: Exploration and Mining Geology, 1, 265−281.
SMITH, D.G.W., DE ST-JORRE, L., REED, S.J.B., & LONG, J.V.P. (1991) Zonally metamictized and other zircons from Thor Lake, Northwest Territories: Canadian Mineralogist, 29, 301−309.
TRUEMAN, D.L., PEDERSON, J.C., DE ST-JORRE, L., & SMITH, D.G.W. (1988) The Thor Lake rare-metal deposits, Northwest Territories: Canadian Institute of Mining and Metallurgy Special Volume 39, p. 280−290.
MÖLLER, V. (2016) The Nature and origin of the Nechalacho Rare Metal Deposit (REE, Nb, Zr), Northwest Territories, Canada. Unpublished Ph.D. thesis, McGill University, Montreal. 409 p.

External Links


Mineral and/or Locality  
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 1993-2018, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: December 16, 2018 03:31:36 Page generated: June 11, 2018 14:29:55
Go to top of page