Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31C10NW00117

Record: MDI31C10NW00117

General

Mineral Record Identification
Record Name(s) Ram - 1991
Related Record Type Simple
Related Record(s)
Record Status Prospect
Date Created 1991-May-24
Date Last Modified 2022-Jun-22
Created By
Revised By

Commodities

Primary Commodities: Wollastonite



Location

Township or Area: Olden

Latitude: 44° 41' 11.28"    Longitude: -76° 48' 51.48"

UTM Zone: 18    Easting: 356227.521   Northing: 4949722.886    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31C10NW

Point Location Description: 1.3 km E of Watson Lake

Location Method: Conversion from MDI

Access Description: Travel south approximately 4.4 km on the Long Lake Zinc road from Mountain Grove to the Tom Fox road, south to the Babcock road and then proceed west 1.5 km.



Exploration History

1972-73: Lynx-Canada Explorations Ltd.. carried out soil survey geochemistry for Zn. 1988: Ram Petroleum conducted a geological mapping survey. 1990: diamond and ore beneficiation study for wollastonite. 1994: geological report and beneficiation and mining studies for wollastonite recovery.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
Tweed file Olden #29 / 2.1826 31C10NW0009 31C10NW0009
Tweed file Olden #31 / 2.2171 31C10NW0023 31C10NW0023
Tweed file Olden #45 / 2.12621 31C10NW0003 31C10NW0003
Tweed file Olden #50 / 2.12855 31C10NW0002 31C10NW0002
Tweed file Olden #52 / 63.6078 31C10NW0001 31C10NW0001
Tweed file Olden #53

Geology

Province: Grenville

Subprovince: Central Metasedimentary Belt

Geological Age: Mesoproterozoic  



Geology Comments

May 30, 2008 (C Papertzian) - The oldest rocks in the area are mafic to intermediate metavolcanics and mafic to felsic gneisses and anatectites (high grade equivalent). The metasediments are largely carbonate metasediments (predominantly calcitic), and clastic siliceous gneisses (quartzose wacke to feldspathic wacke). Hornblende-rich gneisses become prevalent to the east in the Clare River Synform. Carbonate metasediments occur along the western periphery and as large xenoliths within the Mountain Grove intrusion. The Robertson Lake mylonite zone (striking 045 degrees and dipping 30 to 50 degrees south), passes through the village of Mountain Grove structurally subdividing the area into two strikingly different zones. The shear zone extends 80 km and typically ranges from 0.5 to 1.0 km in width. West of the shear zone rocks exhibit two periods of deformation and possibly a third whereas the structural geometry east of the shear zone becomes one of domal intrusions withing the intra-limb zone of a broad synform plunging shallowly eastwards. (Wolfe 1982) The intrusives east of the shear zone are late tectonic and consist of the Mountain Grove Mafic Intrusive and the McLean Granitic Pluton. The Mountain Grove Intrusion is the oldest and is compositionally a well-layered gabbro-anorthosite-syenite body. The McLean Granite Pluton is intrusive to the Mountain Grove Intrusion and ranges in composition from trondhjemite to granite with minor syenitic phases and is generally massive.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
5ApatiteEconomicOre
10CalciteEconomicOre
15DiopsideEconomicOre
20GraphiteEconomicOre
25PhlogopiteEconomicOre
30PyriteEconomicOre
35QuartzEconomicOre
40WollastoniteEconomicOre

Mineral Record Details

Site Visit Information

Date: Mar 14, 2003

Geologist: C Papertzian

Notes: The Hawley wollastonite deposit was visited in late October 2002, along with two representatives of Highwood Resources who were interested in obtaining a bulk sample from this property. The farm where the deposit is located has not seen any development work in the past few years. The wollastonite occurs as white to beige, fine-to coarse-grained short prismatic to bladed crystals, typically 1-3 mm in length. The mineralized zone has been traced along strike 200 m and ranges in width from 15 to 50 m. The grade varies from 20 to 45%, averaging 30 to 35%. The unit is gradational to coarse-grained white calcitic marble. Small apatite rystals (<0.5 mm) occur as inclusions within and intergrown with calcite. The wollastonite lenses/layers are brownish at the edges where in contact with the calcite layers.



References

Mono - Wollastonite in southeastern Ontario

Publication Number: OFR5715 Page: 169-78  Date: 1990

Author: MacKinnon A.

Publisher Name: Ontario Geological Survey

Location:


Book - RES GEOL AFRO 1988, #45

Publication Number: N/A Date: 1996

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Book - RES GEOL AFRO 1988, #50

Publication Number: N/A Date: 2000

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Book - RES GEOL AFRO 1988, #52

Publication Number: N/A Date: 2000

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Book - RES GEOL AFRO 1988, #53

Publication Number: N/A Date: 2000

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Compend - Report of Activities 1992, Resident Geologists

Publication Number: MP161 Page: 376  Date: 1993

Author: Fenwick K.G., Pitts A.E., Newsome J.W.

Publisher Name: Ontario Geological Survey

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Mono - Report of Activities 1993, Resident Geologists

Publication Number: OFR5892 Page: 346  Date: 1994

Author: Baker C.L., Dressler B.O., Mason J.K., Newsome J.W.

Publisher Name: Ontario Geological Survey

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Mono - Report of Activities 1994, Resident Geologists

Publication Number: OFR5921 Page: 260-61  Date: 1995

Author: Baker C.L., Dressler B.O., Laderoute D.G., Newsome J.W.

Publisher Name: Ontario Geological Survey

Location:


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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office