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Ontario Geological Survey

Mineral-Related Activity in the Southern Ontario Resident Geologist District
between January 2024 and March 2024


Mining and Exploration Activity
CompanyProperty Township or Area Commodity Work Type

Assessment Files Received
Company Property Assessment File Township or Area Work Type
CJP Exploration Inc Biron Bay Project 20000021629
Anstruther Miscellaneous Compilation and Interpretation, Prospecting By Licence Holder, Rock Sampling
CJP Exploration Inc Louvicourt Project 20000021698
Cavendish Air Photo and Remote Imagery Interpretations, Miscellaneous Compilation and Interpretation, Prospecting By Licence Holder
CJP Exploration Inc Salerno Project 20000021734
Cavendish Air Photo and Remote Imagery Interpretations, LiDAR, Prospecting By Licence Holder, Rock Sampling
David J Ross 20000021616
Cavendish Prospecting By Licence Holder
M James Martin Joyces Lake Property 20000021578
Lyndoch Assaying and Analyses, Prospecting By Licence Holder, Rock Sampling
M Martin Griffith Graphite 20000021728
Griffith Assaying and Analyses, Prospecting By Licence Holder, Rock Sampling
Skead Holdings Ltd 20000021614
Cardiff Assaying and Analyses, Other Geotechnical
Trigan Resources Inc West Gabbro Project 20000021739
Burleigh, Methuen Environmental Studies

Mineral Inventory Updates
Deposit Name MDI Identifier Township or Area Primary Commodity Secondary Commodity Mineral Deposit Status
A. Dubblestein Graphite Property MDI31F06SW00060 Lyndoch Graphite Cobalt, Copper, Dolomite (flux/filler), Nickel Prospect
Alfred Bog MDI31G10SW00010 Alfred Peat Past Producing Mine Without Reserves or Resources
Allan Mills MDI31C05NE00146 Seymour Magnetite Silver, Vanadium Discretionary Occurrence
Ardoch-James MDI31C15NW00172 Clarendon Gold Sillimanite, Zinc Occurrence
Armstrong Quarry MDI31D09SE00023 Dummer Limestone (Building Stone) Limestone (Crushed Stones) Past Producing Mine Without Reserves or Resources
Barry Occurrence MDI31C11SW00038 Elzevir Copper, Gold Prospect
Bertie Bay Quarry MDI30L15NW00001 Bertie Limestone (Crushed Stones) Past Producing Mine Without Reserves or Resources
Blott Quarry MDI31D09NW00017 Cavendish Aggregate, Limestone (Crushed Stones) Producing Mine
Bradfords Creek MDI31F02NE00061 Darling Antimony, Copper, Gold Silver, Zinc Occurrence
Brampton Brick - Cheltenham Quarry MDI30M12NW00003 Chinguacousy Shale (Crushed Stone), Shale (Structural Material) Producing Mine
Byron Bay MDI31D16SE00064 Anstruther Iron Developed Prospect Without Reported Reserves or Resources
Chard - Dillman Pine Showing MDI000000002410 Grimsthorpe Gold Arsenic Discretionary Occurrence
Clare MDI31C02NE00035 Amherst Island Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Cliftondale MDI31G10SE00005 Caledonia Limestone (Crushed Stones) Producing Mine
Cook MDI31C12SE00024 Marmora Gold Developed Prospect Without Reported Reserves or Resources
Cook Quarry MDI41A14SE00005 Amabel Dolomite (Building Stone) Producing Mine
Corner MDI31C11SE00100 Elzevir Copper, Zinc Discretionary Occurrence
Crawford MDI31C14SE00038 Barrie Dolomite (Building Stone) Past Producing Mine Without Reserves or Resources
Cruickshank MDI31G02NE00008 Charlottenburgh Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Cruickshank MDI31G07NW00003 Caledonia Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Deloro MDI31C12SE00039 Marmora Gold Arsenic Developed Prospect Without Reported Reserves or Resources
Dibblee MDI31G02SW00004 Cornwall Limestone (Crushed Stones) Past Producing Mine Without Reserves or Resources
Dome MDI31C14SE00134 Kennebec Gold Copper, Lead Occurrence
Drain MDI31D09SE00042 Dummer Limestone (Building Stone), Limestone (Crushed Stones) Producing Mine
Drew MDI31C07SW00026 Camden East Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Elliot-Windover Limestone Quarry MDI31D09NW00038 Cavendish Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Emery MDI31C14SE00136 Kennebec Gold Lead, Zinc Prospect
Fairmont MDI31C12SW00026 Belmont Granite Producing Mine
Franktown Quarry MDI31F01SE00009 Beckwith Dolostone Past Producing Mine Without Reserves or Resources
Gatling Five Acre MDI31C12SE00028 Marmora Gold Developed Prospect Without Reported Reserves or Resources
Gold Base MDI31C14SE00135 Kennebec Gold Copper Occurrence
Harcourt Graphite Mine MDI31E01SE00021 Cardiff Gold, Graphite Silver Developed Prospect With Reported Reserves or Resources
Havelock MDI31C05NW00012 Belmont Limestone (Crushed Stones) Past Producing Mine Without Reserves or Resources
Hawk Eye MDI31C12SE00032 Marmora Gold Prospect
Horseshoe East MDI31C10NW00171 Kennebec Graphite Discretionary Occurrence
Indusmin MDI31F04SW00073 Dungannon Nepheline Syenite Discretionary Occurrence
Inrin MDI31D08NE00009 Dummer Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
James MDI31C15NW00188 Clarendon Copper, Lead Gold, Silver, Zinc Occurrence
Kennebec MDI31C11NE00101 Kennebec Copper Gold Occurrence
Kimberlite MDI31C03SE00035 Sophiasburgh Kimberlite Occurrence
Lake Ontario Cement MDI31C03SE00002 Sophiasburgh Limestone (Chemical/Flux) Producing Mine
Levi Lajoie MDI31C06NW00020 Hungerford Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Louvicourt Occurrence MDI31D09NW00076 Cavendish Uranium Niobium, Thorium Occurrence
MRT Aggregates MDI000000002331 Methuen Trap Rock Iron, Titanium, Vanadium Producing Mine
Malcolm Prospect MDI000000001989 Lyndoch Graphite Prospect
Manhire MDI31E01SE00229 Cardiff Uranium Apatite (Gemstones) Occurrence
Mephisto Quarry 1 MDI000000000131 Mayo Calcite (Structural Material), Marble (Structural Material) Past Producing Mine Without Reserves or Resources
Mille Roches Quarries MDI31G02SW00002 Cornwall Limestone (Building Stone), Limestone (Chemical/Flux), Limestone (Crushed Stones) Past Producing Mine Without Reserves or Resources
Mountain View Quarry MDI31C03SW00003 Ameliasburgh Limestone (Crushed Stones) Limestone (Building Stone) Producing Mine
Mto # B9-9 MDI31D09NW00039 Cavendish Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Newington MDI31G02NW00003 Roxborough Peat Past Producing Mine With Reserves or Resources
Ogden Point MDI30N13NW00002 Cramahe Limestone (Chemical/Flux) Producing Mine
Payne MDI31D08NE00008 Dummer Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Pearce MDI31C12SE00033 Marmora Gold Arsenic, Silver Developed Prospect Without Reported Reserves or Resources
Point Anne MDI31C03NW00003 Thurlow Limestone (Building Stone), Limestone (Chemical/Flux) Clay Producing Mine
Princess Sodalite Mine MDI31F04SW00012 Dungannon Sodalite Producing Mine
Redner MDI31C03SW00015 Ameliasburgh Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Redstone MDI31D09SW00047 Harvey Limestone (Building Stone) Past Producing Mine With Reserves or Resources
Rice and McHarg Quarry MDI30M12NW00011 Esquesing Sandstone Producing Mine
Ridgemount Quarries - Quarries 2 & 3 MDI30L14NE00002 Bertie Dolomite (Structural Material), Dolostone Producing Mine
Ridgemount Quarry 1 MDI30L14NE00003 Bertie Dolomite (Structural Material), Limestone (Chemical/Flux) Producing Mine
Roblindale MDI31C06SE00002 Camden East Limestone (Crushed Stones) Limestone (Building Stone) Producing Mine
Simon Copper Property MDI31F03NW00044 Lyndoch Copper, Zinc Developed Prospect With Reported Reserves or Resources
Simon Copper Property North Showing MDI000000001279 Lyndoch Copper Zinc Occurrence
Simpson Lake MDI31F03NW00067 Ashby Dolomite (Building Stone), Marble (Building Stone) Producing Mine
Sloan MDI31C08SW00007 Pittsburgh Sandstone Producing Mine
St Raphaels North MDI31G02NE00009 Charlottenburgh Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Stoklosar MDI31C12SE00113 Marmora Marble (Building Stone) Producing Mine
Storey MDI31C07SW00063 Fredericksburgh Limestone (Crushed Stones) Past Producing Mine Without Reserves or Resources
Storey Quarry MDI31C07SW00046 Fredericksburgh Limestone (Crushed Stones) Producing Mine
Sudbury Contact MDI31C12SE00104 Marmora Gold Occurrence
Summit Lake MDI31F02SW00032 South Canonto Aggregate, Magnetite Producing Mine
Two Island Quarry MDI31F06SE00026 Griffith Marble (Building Stone), Marble (high purity/flux) Prospect
Vansickle Property MDI31C12SW00034 Methuen Marble (Structural Material), Silica Developed Prospect With Reported Reserves or Resources
Warsaw Quarry # 3 MDI31D08NE00002 Dummer Limestone (Building Stone) Past Producing Mine Without Reserves or Resources
Wiarton Stone Quarry Inc MDI41A14SE00028 Amabel Dolomite (Building Stone) Producing Mine

Property Visits
Company Property Township or Area Commodity Comments


For further information contact the Southern Ontario District Resident Geologist Office

Updated April 2024