Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31C12SE00028

Record: MDI31C12SE00028

General

Mineral Record Identification
Record Name(s)	Gatling Five Acre - 1895
Related Record Type	Simple
Related Record(s)
Record Status	Developed Prospect Without Reported Reserves or Resources
Date Created	1984-Feb-29
Date Last Modified	2024-Mar-19
Created By
Revised By

Commodities

Primary Commodities: Gold

Location

Township or Area: Marmora

Latitude: 44° 30' 53.87" Longitude: -77° 37' 16.54"

UTM Zone: 18 Easting: 291667.672 Northing: 4932413.753 UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31C12SE

Point Location Description: Shaft circle symbol in SE lot 10 conc. IX.

Location Method: Conversion from MDI

Access Description: The Gatling Five Acre mine is located in the southeast corner of lot 10, concession 9 in Marmora township, approximately 1.5 km northeast of Deloro and 6 km northeast of Marmora. It is accessible on foot from a 1 km trail which runs east from the Deloro road, less than 1 km north of the town.

Exploration History

1895: The property was initially assessed, an unspecified amount of work was completed. 1899: The Atlas Arsenic Company Limited was incorporated and acquired the property. No. 1 shaft opened to 85 feet and drifting, no. 2 shaft opened to 60 feet and 10-stamp mill facilities completed. 1900: Underground development, power house erected. 610 ounces of gold recovered from 1,500 tons of milled ore. 1901: Underground development continued. 1902: Development and 422 oz. of gold recovered from 1,150 tons ore milled. 1903: 1,321 oz. of gold were recovered from 3,464 tons ore. 1904: Mining and milling activities ceased (see OFR 5548, p328-330 for details). 1983: Goldbrook Explorations Ltd. carried out VLF-EM, self-potential and magnetic surveys on the property followed up by diamond drilling in 1984. Three holes were drilled.

Assessment Work on File

Assessment Work on File
Office File Number	Online Assessment File Identifier	Online Assessment File Directory
18	31C12SE0058	31C12SE0058
2.6794	31C05NE0005	31C05NE0005
63.4393	31C12SE0053	31C12SE0053
2.5697	31C12SE0056	31C12SE0056

Geology

Province: Grenville

Subprovince: Central Metasedimentary Belt

Terrane: Elzevir

Domain: Belmont

Lithology

Lithology Data
Rock Type	Rank	Composition	Texture	Relationship
Vein	1			Contains

Mineralization

Mineralization and Alteration
Rank	Mineral Name	Class	Economic Mineral Type
5	Arsenopyrite	Economic	Ore
10	Gold	Economic	Ore
15	Pyrite	Economic	Ore

Mineral Record Details

Characteristics
Rank	Characteristic
1	Vein

Production Data
Year	Tonnes	Commodities	Reference	Comment
1903	3142	Gold 1321 Ounces	OFR5548 p.329	Grade 0.38 oz/t Au
1902	1043	Gold 422 Ounces	OFR5548 p.329	Grade 0.37 oz/t Au
1900	136	Gold 610 Ounces	OFR5548 p.329	Grade 0.41 oz/t Au

References

Publication - Arsenic-bearing deposits in Canada; Geological Survey of Canada, Economic Geology Series 4

Publication Number: Econ Geol 4 Page: 103 Date: 1996

Author: Hurst, M.E.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/102439

Part - Mines of eastern Ontario

Publication Number: ARV09.004 Page: 91-92 Date: 1998

Author: De Kalb C.

Publisher Name: Ontario Bureau of Mines

Location:

Mono - Gold deposits of Ontario, part 2, part of District of Cochrane, districts of Muskoka, Nipissing, Parry Sound, Sudbury, Timiskaming, and counties of southern Ontario

Publication Number: MDC018 Page: 36 Date: 1979

Author: Gordon J.B., Lovell H.L., de Grijs J.W., Davie R.F.