Ontario Geological Survey
Permanent Link to this Record:
MDI53K16SE00004
| Record Name(s) | Carb Lake - 1967 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1979-May-25 |
| Date Last Modified | 2024-Feb-21 |
| Created By | |
| Revised By |
Primary Commodities: Rare Earth Elements, Cerium, Lanthanum, Uranium, Niobium
Township or Area: Carb Lake Area
Latitude: 54° 46' 2.93" Longitude: -92° 0' 42.97"
UTM Zone: 15 Easting: 563569 Northing: 6069365.01 UTM Datum: NAD83
Resident Geologist District: Red Lake
NTS Grid: 53K16SE
Point Location Description: Aeromagnetic anomaly and location of DDH 3 from Assessment file 20000007163
Location Method: Based on Assessment
Access Description: Aircraft Access only
1967: The publication of ODM-GSC aeromagnetic maps revealed a circular magnetic anomaly. This anomaly was investigated in the summer of 1967 by geologists of M.J. Boylen Engineering Ltd., who discovered boulders of carbonatite and alkalic rocks on the shore of Carb Lake. 44 claims were staked for Big Nama Creek Mines Limited and Larandona Mines Ltd. and these companies had a combined airborne magnetometer and gamma-ray spectrometer survey made of the property in September. 1967-68 (winter): Four diamond drill holes totalling 564 m were drilled. Partial Drill Core at Kenora Drill Core Library. 2011: South American Rare Earth Corp. (SAREC) conducted a magnetic/VLF survey and an Enzyme Leach soil survey over the carbonatite. 2023: Cazaly Resources Ltd. acquired the property and completed mapping, prospecting, core re-logging.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.50524 | 20000007163 | 20000007163 |
| 10 | 53K16SE0001 | 53K16SE0001 |
Province: Superior
Subprovince: Sachigo
Terrane: North Caribou
Geological Age: Archean
Aug 15, 2019 (Therese Pettigrew) - The Carb Lake carbonatite complex is a Proterozoic aged intrusive unit hosted within Archean age tonalites of the Superior Province. The Carb Lake carbonatite complex has been dated by K-Ar isotope methods at 1826±97 Ma (Sage, 1987) and intrudes the Oxford-Stull Domain (Stott, 2009). The Carb Lake carbonatite lies within the Northern Superior Superterrane/ Oxford-Stull Domain Boundary. This major crustal-scale structural zone is marked by the North Kenyon Fault in the Carb Lake area. This domain boundary is characterized by a strong, linear, west-northwest trending aeromagnetic pattern (Sage, 1987).
| Rock Type | Rank | Composition | Texture | Relationship | Carbonatite-Unsubdivided | 1 | Host |
|---|---|---|---|---|
| Tonalite | 2 | Adjacent |
Aug 15, 2019 (Andrew Tims) - Dominantly pink to grey-white sovite containing minor amounts of biotite, magnetite and biotite-phlogopite. minor zones (up to 1-2 m) of silicocarbonatite and biotitite (more than 90 percent biotite with minor magnetite). Thin zones, less than 0.3 m wide, of nearly pure magnetite are locally present. The carbonatite is well banded at 30-45 degrees to the core axis, and all rock types are so intimately mixed that pure samples more than 15 cm long, of any one type, are difficult to obtain.
Aug 15, 2019 (R Tuomi) - Dominant rock type encountered in drilling is a pale pink to grey or white carbonate containing scattered books of reddish-brown biotite or phlogopite, scattered grains of magnetite, wisps of fiberous amphibole, and lenses of apatite grains, In thin sections the carbonate forms about 80% of the carbonatite and is a granular mosaic of about equal amounts of dolomite and calcite, although in any given samples either dolomite or calcite usually predominates. The phlogopite is pale brown in thin section but has a red titaniferous (?) rim. Pale coloured to colourless apatite ranges from less than 1 to 25% and forms individual prisms in carbonate and amphibole in bluish-green to blue and is believed to be eckermannite and sodic actinolite. Sections of core up to 60 feet long were found to consist almost entirely of medium- to coarse-grained biotite or phlogopite with scattered grains, clots or stringers of magnetite and seams of amphibole. Sections up to 55 feet longs consist predominantly of magnetite with subordinate silicates and carbonate. All variations between carbonate, magnetite-rich and biotite-rich rocks exist. At several places a colour layering was observed in the carbonate and it appears to be parallel to the contacts between the various rock types. The angle between the core axis and the layering suggests a vertical layering or zoning within the carbonate. Many sections of the core are -vuggy- suggesting leaching of the carbonate by acid solution.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Apatite | Economic | Ore | ||||
| 2 | Fluorite | Economic | Ore | ||||
| 3 | Hematite | Economic | Ore | ||||
| 4 | Magnetite | Economic | Ore | ||||
| 5 | Pyrochlore | Economic | Ore | ||||
| 6 | Pyrrhotite | Economic | Ore | ||||
| 7 | Synchysite | Economic | Ore | ||||
| 8 | Vermiculite | Economic | Ore |
Dec 16, 2011 (C Storey) - 1968: ODM analysis of DDH core and hand samples: up to 5% Ce, 1% La, 0.5% Nb, 0.1% U3O8.
Jul 29, 2016 (Andrew Tims) - Synchysite (calcium-Ce La-Nd-Y carbonate) was identified petrographically from a limited number of thin sections (15) made from drill core samples (Bennett and Riley, 1969). Ancylite (Ce hydroxyl) was identified in a thin section taken from a carbonatite boulder on the shore of a small lake overlying the complex. boulder returned 2% Ce and 1% La. Pyrochlore from 3 to 5% was noted in thin sections.
Aug 15, 2019 (Therese Pettigrew) - In 1978, the Ontario Geological Survey visited the Carb Lake carbonatite complex and recovered the diamond drill core for two holes (No. 3 & 4) stored at the site (Sage, 1983, 1987). Sage (1983, 1987) also re-examined samples collected during Operation Lingman Lake. Samples from the two recovered drill holes were analyzed for trace elements including Nb, Y, La, Nd and Ce. Two samples reported 1,500 ppm Nb and another 5 samples reported greater than 0.1% Nb. As well, one sample reported 5,620 ppm Ce. Sample H1-240 returned 0.1% U3O8 (Bennett and Riley, 1969).
Feb 21, 2024 (Sheree Hinz) - Summer 2023, Cazaly Resources Ltd. carried out a chip rock sampling program and submitted 304 samples for analysis. The first round of analyses returned show samples have highly anomalous REE, Sr and Nb. The best grab samples include 2479 ppm TREO, with NdPr comprising up to 22% of the TREO, and 2084 ppm TREO, with NdPr up to 25% of the TREO (Cazaly Resources Ltd Press Release November 10, 2023).
| Rank | Classification |
|---|---|
| 1 | Carbonatite |
| Rank | Characteristic |
|---|---|
| 1 | Intrusive |
Book - Niobium (Columbium) and Tantalum in Canada, p. 119-120
Publication Number: Econ Geol 29 Date: 1974
Author: Dawson, K.R.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/103996
Mono - Operation Lingman Lake
Publication Number: MP027 Page: 44-47 Date: 1969
Author: Bennett G., Riley R.A.
Publisher Name: Ontario Dept. of Mines
Location:
Press Release - Canadian Projects Update
Publication Number: Press Release Date: 2023
Author: French, T., Robbins, M.
Publisher Name: Cazaly Resources Ltd
Location:
Article - Carbonatite-alkalic complexes
Publication Number: MP067.013 Page: 56-58 Date: 1997
Author: Sage R.P.
Publisher Name: Ontario Division of Mines
Location:
MonoMap - Columbium (niobium) deposits of Ontario
Publication Number: MDC014 Page: 35-36 Date: 1971
Author: Ferguson S.A.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Location:
Publication - Rare Earth Element Mines, Deposits and Occurrences
Publication Number: OF 02-189 Date: 2002
Author: Orris, G. J. and Grauch, R. I
Publisher Name: US Geological Survey
Location:
MonoMap - Geology of the Carb Lake carbonatite complex
Publication Number: OFR5399 Date: 1984
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
Mono - Geology of carbonatite-alkalic rock complexes in Ontario: "Carb" Lake carbonatite complex, District of Kenora
Publication Number: S053 Date: 1987
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
Article - Alkalic rock, carbonatite and kimberlite complexes of Ontario, Superior province
Publication Number: SV04-01.018 Date: 1997
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Geology of the Northern Superior Area, Ontario
Publication Number: OFR6140 Date: 2005
Author: Stone D.
Publisher Name: Ontario Geological Survey
Location:
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