Ontario Geological Survey
Permanent Link to this Record:
MDI000000000259
| Record Name(s) | McFauld's #6 - 2004, Spider DDH MCF-04-39 - 2004 |
|---|---|
| Related Record Type | |
| Record Status | Occurrence |
| Date Created | 2007-Mar-19 |
| Date Last Modified | 2022-Jan-05 |
| Created By | A Wilson |
| Revised By | A Wilson |
Primary Commodities: Copper, Zinc
Secondary Commodities: Gold, Silver
Township or Area: BMA 527 861
Latitude: 52° 48' 30.48" Longitude: -86° 3' 17.4"
UTM Zone: 16 Easting: 563710.003 Northing: 5851383.003 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 43D16SE
Point Location Description: Drill Collar for MCF-04-39
Location Method: Field Visit with GPS
Access Description: By air from Nakina
2003-09: Spider Resources Ltd. - Mag, EM, DD-4-532 m, AEM, AMAG, gravity survey,
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 2.28659 | 43C13NW2001 | 43C13NW2001 |
| 2.43405 | 20000005401 | 20000005401 |
Province: Superior
Subprovince: Sachigo
Terrane: North Caribou
Geological Age: Archean
Mar 19, 2007 (A Wilson) - The stratigraphic section consists of Archean-aged, steeply dipping, mafic to felsic volcanic rocks with minor amounts of interflow sediments intruded by sills and small stocks of gabbro and granites. The volcanic units have been isoclinally folded to produce a weak to very strong foliation.
| Rock Type | Rank | Composition | Texture | Relationship | Felsic lava flow-unsubdivided | 1 | Rhyolite | Sheared | Host |
|---|
Mar 19, 2007 (A Wilson) - Diamond drilling intersected a sequence of felsic lapilli tuffs that are siliceous and show moderate chloritization. All of the host rocks display variable muscovite-chlorite alteration
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrrhotite | Economic | Ore | ||||
| 2 | Chalcopyrite | Economic | Ore | ||||
| 1 | Magnetite | Economic | Gangue | ||||
| 2 | Pyrite | Economic | Gangue | ||||
| Chlorite | Alteration | Chloritic | 1 | Medium | Replacement | ||
| Muscovite | Alteration | Sericitization | 2 | Weak | Disseminated |
Mar 19, 2007 (A Wilson) - The drill holes were drilled to test a Max-Min anomaly. A 1.3 m section of massive magnetite returned an assay of 3.63% Cu, 0.08% Zn, 7.12 g/t Ag and 0.336 g/t Au. The mineralized zone consists of 30% magnetite within chloritized tuffs. Both the magnetite and the tuffs are cross cut by veins of sulphides. Where drilled, the zone is thin (<3.0 m) and dips 70º to the NW.
Mar 19, 2007 (A Wilson) - Chlorite alteration dominates in proximity to the mineralized zone but the mineralized zone displays talc-chlorite-biotite alteration.
Publication - Preliminary review of a VMS occurrence, McFauld's Lake area, NW Ontario for Spider Resources Inc.
Publication Number: Scale: Date: 2003
Author: Franklin, J. M.
Publisher Name:
Publication - News Releases
Publication Number: Scale: Date: 2004
Author: Spider Resources Inc.
Publisher Name:
Map - Precambrian Geology of the Hudson Bay and James Bay Lowlands Region Interpreted from Aeromagnetic Data-East Sheet
Publication Number: P3598-REV Scale: 1:500,000 Date: 2008
Author: Stott G.M.
Publisher Name: Ontario Geological Survey
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For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office