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Ontario Geological Survey
Permanent Link to this Record:
MDI41P15SE00005
| Record Name(s) | La Brosse-1914 - 1991, Js 65 & Js 66-1914 - 1991 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 1991-Feb-23 |
| Date Last Modified | 2023-Mar-15 |
| Created By | |
| Revised By |
Primary Commodities: Iron
Township or Area: Yarrow
Latitude: 47° 53' 16.79" Longitude: -80° 40' 40.21"
UTM Zone: 17 Easting: 524084 Northing: 5303902 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 41P15SE
Point Location Description: Approximate centre of MR38020
Location Method: Data Compilation
Pre1914: La Brosse discovery. 1953: G.S, Welsh DD (3) (150 ft) 1997: R. Barnes-Trenching
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| KL-4179/2.17484 | 41P15NE0028 | 41P15NE0028 |
Province: Southern
Subprovince: Cobalt Basin
Supergroup: Huronian Supergroup
Formation Group: Cobalt Group
Geological Age: Paleoproterozoic
Dec 07, 2005 (D Guidon) - The area is underlain by greywacke-conglomerate of the Gowganda Formation, Cobalt Group of the Huronian Supergroup. The Gowganda Formation dips gently to the east. The deposit is about 300 m west of a fault, here named, Sisseney Lake.
| Rock Type | Rank | Composition | Texture | Relationship | Terrigenous-Clastic-Unsubdivided | 1 | Greywacke-Conglomerate | Adjacent |
|---|---|---|---|---|
| Vein | 2 | Quartz With Hematite | Host | |
| Tonalite | 3 | Granitic | Near |
Dec 07, 2005 (D Guidon) - The hematite is found in a quartz vein the strike 072-90. The vein cuts greywacke-conglomerate of the Gowganda formation. Tonalite of the Round Lake Batholith is found to the east of the Sisseney Lake Fault.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Hematite | Economic | Ore | ||||
| 1 | Quartz | Economic | Gangue |
Aug 22, 2012 (Nazha Sabiri) - Botryoidal hematite and specularite are found in lenses within the quartz vein. One lens is 60 feet long and the other is 25 feet long. The lenses are 7 to 10 feet wide as intersected by diamond drilling. About 4 Tons of blasted material remains around the pit.
| Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
|---|---|---|---|---|---|---|
| Aluminum | Unknown | 2216.86 | ppm | |||
| Antimony | Unknown | 17.5 | ppm | |||
| Barium | Unknown | 173.82 | ppm | |||
| Beryllium | Unknown | 2.63 | ppm | |||
| Cerium | Unknown | 23.55 | ppm | |||
| Cesium | Unknown | .75 | ppm | |||
| Chromium | Unknown | 3.86 | ppm | |||
| Cobalt | Unknown | 2.06 | ppm | |||
| Copper | Unknown | 11.46 | ppm | |||
| Dysprosium | Unknown | 4.68 | ppm | |||
| Erbium | Unknown | 2.06 | ppm | |||
| Europium | Unknown | 1.45 | ppm | |||
| Gadolinium | Unknown | 4.61 | ppm | |||
| Gallium | Unknown | 4.5 | ppm | |||
| Gold | Unknown | 6.53 | ppb | |||
| Holmium | Unknown | .84 | ppm | |||
| Iron | Unknown | 593065 | ppm | |||
| Lanthanum | Unknown | 8.15 | ppm | |||
| Lead | Unknown | 15.86 | ppm | |||
| Lithium | Unknown | 4.68 | ppm | |||
| Lutetium | Unknown | .24 | ppm | |||
| Magnesium | Unknown | 1143.18 | ppm | |||
| Manganese | Unknown | 226.8 | ppm | |||
| Molybdenum | Unknown | 9.69 | ppm | |||
| Neodymium | Unknown | 13.52 | ppm | |||
| Nickel | Unknown | 11.52 | ppm | |||
| Niobium | Unknown | .06 | ppm | |||
| Palladium | Unknown | BDL | ||||
| Platinum | Unknown | BDL | ||||
| Praseodymium | Unknown | 2.92 | ppm | |||
| Rubidium | Unknown | 1.95 | ppm | |||
| Samarium | Unknown | 4 | ppm | |||
| Scandium | Unknown | 4.38 | ppm | |||
| Terbium | Unknown | .83 | ppm | |||
| Tin | Unknown | .1 | ppm | |||
| Tungsten | Unknown | 34.55 | ppm | |||
| Uranium | Unknown | 13.31 | ppm | |||
| Vanadium | Unknown | 262.8 | ppm | |||
| Ytterbium | Unknown | 1.94 | ppm | |||
| Yttrium | Unknown | 17.61 | ppm | |||
| Zircon | Unknown | 1.15 | ppm |
| Rank | Classification |
|---|---|
| 1 | Hydrothermal |
| Rank | Characteristic |
|---|---|
| 1 | Vein |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Unknown | 18 | 2.1 | 72 | 90 |
File - Resident Geologist file KL-2819
Publication Number: Date:
Author:
Publisher Name:
Location: Kirkland Lake RGP office
Map - Geological Compilation of the Matachewan Area, Abitibi Greenstone Belt
Publication Number: P3527 Scale: 1:100,000 Date: 2003
Author: Ayer J.A., Trowell N.F., Josey S.D., Nevills M., Valade L.
Publisher Name: Ontario Geological Survey
Location:
File - Res/Reg Property Visit Report KL #128
Publication Number: PV-128 Date: 1990
Author: Lovell, H.L.
Publisher Name:
Location: Kirkland Lake RGP office
Part - The Matachewan gold area
Publication Number: ARV27-01.008 Page: 238 Date: 1998
Author: Burrows A.G.
Publisher Name: Ontario Bureau of Mines
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 478-479 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
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For detailed information regarding this mineral record please contact the Kirkland Lake Resident Geologist District Office