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Ontario Geological Survey
Permanent Link to this Record:
MDI42C02NW00048
| Record Name(s) | Engagement Zone - 2001 |
|---|---|
| Related Record Type | Simple |
| Record Status | Prospect |
| Date Created | 2002-Feb-25 |
| Date Last Modified | 2021-Dec-14 |
| Created By | A Wilson |
| Revised By | A Wilson |
Primary Commodities: Diamond
Township or Area: Musquash
Latitude: 48° 9' 20.75" Longitude: -84° 44' 39.12"
UTM Zone: 16 Easting: 667760.72 Northing: 5336073.69 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C02NW
Point Location Description: Stripped and trenched area at junction between secondary forestry roads.
Location Method: Data Compilation
Access Description: Drive north along Highway 17 for approximately 22 km from the junction between Highway 17 and Highway 101. Follow the Musquash Township forestry road northeast for approximately 9 km to the trenched area.
2001: Band-Ore Resources Ltd. - prospecting, sampling, trenching, mini-bulk sampling (12,542 kg). 2001-2003: Kennecott Canada Exploration Inc. - signs agreement to explore the Engagement Zone, mapping, trenching, sampling, channel sampling, prospecting, soil sampling, mini-bulk sampling (2, 22 buk samples taken), diamond drilling (5 ddh). 2003: DeBeers Canada Exploration Ltd. - agrees to process 3 bulk samples collected in 2002.
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Geological Age: Neoarchean Geochronological Age: 2.7 GA Geochron. Age Ref.: GOO VOL 1
| Rock Type | Rank | Composition | Texture | Relationship | Lamprophyre-Unsubdivided | 1 | Xenolith Bearing | Near |
|---|---|---|---|---|
| Mafic Tuff-Breccia | 2 | Tuff, Breccia | Host | |
| Intermediate Tuff-Breccia | 3 | Tuff, Breccia | Near | |
| Terrigenous-Clastic-Unsubdivided | 4 | Graphitic | Argillite | Near |
Dec 07, 2005 (A Wilson) - The lamprophyre has a fine-grained matrix and contains abundant actinolite xenoliths. It has been injected into the surrounding mafic to intermediate tuffs and breccias. These breccias have been interpreted to be alkaline extrusive rocks. The lamprophyres are interpreted to be intrusive alkaline phases of the same diatreme. These extrusive rocks are medium to thickly bedded pyroclaistic air-fall deposits and debris flows. They grade upward into lapilli-tuff and tuff. The intrusive and extrusive phases host significant proportions of fragments of locally derived country rock. The Engagement zone reaches 70 m true thickness and pinches to 8 separate debris flows between 1-3 m thick.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Diamond | Economic | Ore |
Dec 07, 2005 (A Wilson) - Initial samples collected by Band-Ore in early 2001 returned 5045 microcdiamonds and 65 macrodiamonds from a total sample weight of 96 kg. By May 2001, Band-Ore had recovered 9094 microdiamonds and 141 macrodiamonds from a total of 249.6 kg of mateial. The largest diamond recovered from the bulk sample was 3.74 mm by 3.3 mm by 3.10 mm (0.254 ct). In addition, the bulk sample yielded 29 other diamonds ranging in size from 3.06 mm to 0.70 mm. By January 2002, the company had reported 13,299 micodiamonds and 340 macrodiamonds from samples weighing 406.4 kg. The caustic fusion results from 66 channel samples weighing 637 kg returned 7216 diamonds greater than 0.15 mm. There were 33 diamonds which sat on a 0.5 mm sieve with 2 dimensions >0.5 mm. Two bulk samples processed by DeBeers retuned 20 diamonds from 42.5 tonnes.
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Unknown | 335 | 75 |
Book - BAND-ORE RESOURCES LTD.
Publication Number: clippings Scale: Date: 2001
Author:
Publisher Name:
Map - Geological series, Precambrian geology of Musquash Township, Algoma District
Publication Number: P2568 Scale: 1:15,840 Date: 1982
Author: Sage R.P., England D., Calvert T., Oudkerk G., Worona R., Koscinsko K.
Publisher Name: Ontario Geological Survey
Map - Precambrian Geology Compilation Series - White River Sheet
Publication Number: M2666 Scale: 1:250,000 Date: 2001
Author: Santaguida F.
Publisher Name: Ontario Geological Survey
MonoMap - Geology of Abotossaway, Corbiere, Leclaire and Musquash Townships and Part of Dunphy Township, District of Algoma
Publication Number: OFR5587 Scale: Date: 1993
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Book - Updated Geological Report on the Wawa Property for Band-Ore Resources
Publication Number: 43-101 Scale: Date: 2003
Author: Cavey, G.
Publisher Name:
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For detailed information regarding this mineral record please contact the Sault Ste. Marie Resident Geologist District Office