Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42C08SW00009

Record: MDI42C08SW00009

General

Mineral Record Identification
Record Name(s) Cline Lake Gold Mine - 1924, Pick Mine - 1959, Cline Mine - 1924
Related Record Type Simple
Related Record(s)
Record Status Past Producing Mine Without Reserves or Resources
Date Created 1987-May-15
Date Last Modified 2023-Aug-25
Created By
Revised By

Commodities

Primary Commodities: Gold, Silver

Secondary Commodities: Molybdenum



Location

Township or Area: Jacobson

Latitude: 48° 19' 10.55"    Longitude: -84° 21' 5.95"

UTM Zone: 16    Easting: 696323.48   Northing: 5355212.94    UTM Datum: NAD83

Resident Geologist District: Sault Ste. Marie

NTS Grid: 42C08SW

Point Location Description: No. 3 shaft

Location Method: Field Visit with GPS

Access Description: The site is accessible via Highway 527 (Dubreuilville Highway) to the new Goudreau Road. Travel along the new Goudreau Road to the junction with the old Goudreau Road (a distance of approximately 18 km), turn east and follow the old Goudreau Road to the north end of Pine Lake (approximately 6 km). Take the Jacobson Tp road (Lochalsh access road) to the Cline Lake access road (approximately 2.5 km). Depending on flooding conditions, the mine can be accessed either by foot or by vehicle right to the mine site.



Exploration History

1918: J. Cline discovered the property and carried out stripping, trenching, test pitting. 1924-27: Clines Canadian Gold Mines Ltd. (Cline Mines Ltd.) optioned the property and sunk the Office Shaft to 115 feet; No. 1 shaft sunk to 140 ft. with 1 level developed, No. 2 shaft (inclined) sunk to 215 ft with 2 levels established. 1927-32: Cline Mines Ltd. sunk Office Shaft to 115 feet and 1 level established. 1932-59: Cline Lake Gold Mines Limited carried out diamond drilling, and was in production. 1938-42: 3 compartment shaft deepened to 622 ft in 1940, No. 4 Shaft 4 compartment shaft deepened to 1196 ft in 1940, operations ceased October 8, 1942 and plant dismantled. 1959-79: Pick Mines Ltd. acquired the property, completed 31 surface diamond drill holes totaling 8951 ft, shaft dewatering, underground sampling, underground development, ground magnetometer survey, cyanidation and floatation tests on ore samples, adit driven on No. 3 Zone. 1970-83: Picktrex Mining and Investments Ltd./ROK Engineering Construction carried out a magnetometer survey, 9 percussion diamond drill holes totaling 53 ft, stripping, sampling, mapping, cyanidation and floatation tests. 1983-2000: Cline Development Corporation carried out a magnetometer survey, mapping, soil sampling, IP survey. 1985: Noranda Exploration Co. Ltd/Freewest Resources-Longold Resources optioned the property. 1997-90: Noranda Exploration Co. Ltd/Freewest Resources-Longold Resources completed 86 diamond drill holes totaling 14 725 m, stripping, trenching and mapping.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
JACOBSON 22-A1 42C08SW0090 42C08SW0090
WP Jacobson-26 42C08SW0014 42C08SW0014
JACOBSON 0037 42C08SW8798 42C08SW8798
JACOBSON 0049 42C08SW3250 42C08SW3250
Jacobson-0068, 42C08SW0071 20000005073 20000005073
JACOBSON 0076 42C08SW8739 42C08SW8739
JACOBSON 60A1 42C08SW0084 42C08SW0084
WPJACOBSON.10 / 22 / 63.5203 42C08SW0026 42C08SW0026
WPJACOBSON.23 / 26 / 63.523 42C08SW0014 42C08SW0014
WP_Jacobson-27 20000019844 20000019844
WPJACOBSON.30 42C08SW8739 42C08SW8739
WPJACOBSON.51 / 63.6159 42C08SW0008 42C08SW0008
WP_Jacobson-56 20000018813 20000018813

Geology

Province: Superior

Subprovince: Wawa

Terrane: Wawa-Abitibi

Belt: Michipicoten

Tectonic Assemblage: Wawa

Geological Age: Neoarchean   Geochronological Age: 2750 MA   Geochron. Age Ref.: GOO VOL 1

Metamorphism Type: Regional

Metamorphism Grade: Greenschist



Geology Comments

Dec 07, 2005 (A Wilson) - The deposit lies within the Eastern Domain of the Goudreau Lake Deformation Zone. The GLDZ is up to 4.5 km in width and strikes in a gentle sigmoid-form for at least 30 km, subparallel to the stratigraphy and the regional foliation. In the immediate Goudreau-Lochalsh area, the GLDZ is coincident with a major contact between Cycle 2 and Cycle 3 volcanics. There is a strong structural control of the gold-bearing quartz veins systms within each of the 070-075 striking high-strain zones within the deformation zone. The Eastern Domain of the GLDZ is 9 km long and 2 km wide and contains narrow brittle and brittle-ductile high-strain zones displaying dextral, oblique slip displacement. Mineral lineations at the Cline Lake area have a consistent shallow plunge to the east and become moderately to steeply plunging in the Godin Lake area. Within the eastern domain, high-strain zones (as well as laminated, quartz-tourmaline and/or quartz-Fe-carbonate veins, fractures and flesic porphyry dikes) are dominantly parallel or at low angles to the east-striking regional foliation. The eastern domain is truncated on the west by the NW-trending Maskinonge Lake Fault.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Vein 1 Quartz Host
Granodiorite 2 Porphyritic Near
Mafic pillowed flow 3 Sheared, Pillowed Near
Gabbroid-Unsubdivided 4 Near

Lithology Comments

Dec 07, 2005 (A Wilson) - The deposit is hosted by a series of high-strain zone hosted quartz veins that cross-cut all of the local rock types. The most prominent rock type present is a near vertical, oval shaped granodiorite stock in the immediate Cline Lake Mine workings. The granodiorite is characterized by the presence of blue opalescent quartz eyes. The stock plunges moderately to steeply to the east. Many felsic to intermediate dikes also occur in the vicinity of the mine. They have been mapped as: intermediate dikes (oldest), aphanitic felsic dikes, quartz-porphyry dikes and feldspar porphyry dikes. The mafic metavolcanic rocks in the vicinity of the mine are strongly foliated. In other locations on the property, the mafic metavolcanic rocks are massive to pillowed flows. Minor chert-magnetite iron formation has been observed intercalated within the flows. Early mappers (Bruce 1942) had mapped a series of rhyolite flows interbedded with the mafic metavolcanic rocks. More recently these units have been interpreted as synvolcanic intrusions.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1GoldEconomicOre
1PyriteEconomicGangue
2PyrrhotiteEconomicGangue
3SericiteEconomicGangue
4ChloriteEconomicGangue
5CarbonateEconomicGangue
6TourmalineEconomicGangue
7ChalcopyriteEconomicGangue
8GalenaEconomicGangue
9SphaleriteEconomicGangue
10ArsenopyriteEconomicGangue
11MolybdeniteEconomicGangue
AnkeriteAlterationCarbonatization1WeakReplacement
SericiteAlterationSericitization2WeakReplacement
PyriteAlterationPyritic3WeakReplacement

Mineralization Comments

Dec 07, 2005 (A Wilson) - Mineralization consists of auriferous quartz veins and schistose rocks hosted within brittle-ductile high-strain zones. Gold mineralization can occure with, or without, quartz in thin shears accompanied by carbonate, pyrite, and biotite or sericite. Individual veins nearly always carry anomalous gold, but gold values are generally highly erratic. Visible gold is common locally. The quartz in the gold-bearing veins typically has a sugary texture. Gold is usually found in fine particles in or near lenses or grains of fine-grained pyrite. However, gold has also been observed as irregular grains completely surrounded by quartz, as grains moulded onto pyrite grains, as fillings of fractures in pyrite, as small blebs in unfractured pyrite, filling fractures in quartz near pyrite grains and along the margins of galena grains.



Alteration Comments

Dec 07, 2005 (A Wilson) - Alteration is confined to zones of shearing and does not affect large volumes of rock. Underground at the mine, Bruce observed that the wall rocks had not undergone extensive alteration. Alteration consists of variable amounts of Fe-carbonatization, sericitization, pyritization and minor siclicification. The mafic metavolcanics display chlorite, Fe-carbonate, calcite and minor pyrite and quartz alteration. The felsic units display sericite, quartz, pyrite and Fe-carbonate. Fe-carbonatization is the most abundant alteration type associated with the auriferous quartz veins.




Mineral Record Details

Classification
RankClassification            
1 Hydrothermal
Characteristics
Rank Characteristic            
1 Sheared
2 Vein

Mineral Zones - Size and Shape

Rank: 3       Structure Type: Fault

Rank: 1       Structure Type: Shear

Rank: 2       Structure Type: Vein

Zone Name: Detour Lake - Rank 1
Shape Length Thickness Depth Strike Dip Plunge Trend Age Reference
Regular 260 75

Site Visit Information

Date: Nov 08, 2000

Geologist: A Wilson

Notes: A 15 metre wide ductile high-strain zone, known as the Cline-Edwards high-strain zone, lies a short distanct south of the No. 3 adit and the main No. 4 production shaft. This zone crosscuts both the mafic and felsic rocks. Quartz, Fe-carbonate, sericite and chlorite are commonly observed in this zone. Large, milky white quartz veins are common within the Cline-Edwards high strain zone but they are generally non-auriferous. Bruce reported that no ore of any consequence was found within this high-strain zone. This point was supported by the Noranda diamond drilling programme. Bruce indicates that this high-strain zone passes into the granodiorite stock between the 3rd and 4th levels of the underground workings. The productive part of the workings was in the hanging wall rocks of the Cline-Edwards high-strain zone. The most promininent subsidiary feature at the mine is the A fault. It trends 110-115 and occupies a nearly vertical brittel-ductile high-strain zone. Subsidiary structures splay off of the A fault, as well as the Cline-Edwards shear. The most important ore body was the A vein, which lay along the hanging wall side of the A fault. Numerous subsidiary viens branch off the hanging wall side of the A vein and are reportedly localized along the contacts of felsic dikes. No ore was found in the foot wall of the Cline-Edwards shear but mineralization is found in the footwall rocks on the adjoining Edwards property. Little mineralization was found below the 5th level of th mine workings. This appears to be because with increasing depth, the Cline-Edwards high-strain zone progressively encroaches on the near vertical dipping, eastward plunging vein system, and eventually truncates it.



Reserves or Resources Data
Zone Year Category Tonnes Reference Comments Commodities
Cline Lake Gold Mine 1987 Possible 18140 Resident Geologist Files Gold 0.19 oz/T
Production Data
Year Tonnes Commodities Reference Comment
1942 41838 Silver 1550 Ounces
Gold 8088 Ounces
AR 52 PT 1 TABLE FACING P 10, P. 90-91
1941 77395 Silver 218.82 Ounces
Gold 12972.5 Ounces
AR 51 PT 1 TABLE IV, P. 87
1940 74287 Silver 2637 Ounces
Gold 15426.38 Ounces
AR 50 PT 1A, TABLE 3
1939 78095 Silver 2622 Ounces
Gold 22346.96 Ounces
AR 49 PT 1, P. 12, 18, 99
1938 29342 Silver 1074 Ounces
Gold 7351.77 Ounces
AR 48 PT 1 P. 95

References

Map - Goudreau-Lochalsh area, District of Algoma, Ontario

Publication Number: ARM36B Scale: 1:63,360    Date: 1927

Author: E. Thomson, T.L. Gledhill, W.H. Collins

Publisher Name: Ontario Department of Mines

Location:


Map - Goudreau gold area, District of Algoma, Ontario

Publication Number: ARM40E Scale: 1:31,680    Date: 1931

Author: E.S. Moore

Publisher Name: Ontario Department of Mines

Location:


Map - Goudreau-Lochalsh area, District of Algoma, Ontario

Publication Number: ARM49G Scale: 1:31,680    Date: 1997

Author: Bruce E.L.

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Location:


Map - Michipicoten area, compilation sheet, District of Algoma

Publication Number: P0184 Scale: 1:126,720    Date: 1997

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Location:


Map - Geological compilation series, Wawa sheet, districts of Algoma and Sudbury

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Location:


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Location:


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Publisher Name:

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Part - The Michipicoten-Missinaibi area

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Location:


Part - Mines of Ontario in 1942

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Location:


Mono - Annual report for the year 1965, statistics of the mineral industry and mining operations in Ontario for 1965

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Location:


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Location:


Mono - Gold deposits of Ontario, part 1, districts of Algoma, Cochrane, Kenora, Rainy River, and Thunder Bay

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Location:


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Location:


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Location:


MonoMap - Geology of Aguonie, Bird, Finan and Jacobson Townships, District of Algoma

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Part - Mines of Ontario in 1940

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Part - Mines of Ontario in 1940

Publication Number: ARV50-01.001 Page: 23-24  Date: 1997

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Location:


Part - Geology of the Goudreau-Lochalsh area

Publication Number: ARV49-03 Page: 33-41  Date: 1997

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Location:


Part - Statistical review of the mineral industry of Ontario for 1939

Publication Number: ARV49-01.001 Page: 12, 18, 99-100  Date: 1997

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Location:


Mono - Molybdenum deposits of Ontario

Publication Number: MDC007 Page: 19  Date: 1968

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Location:


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Location:


Book - Cline Lake Mine; In: Structural Geology of Canadian Ore Deposits, Jubilee Volume

Publication Number: Page: 433-435  Date: 1948

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Location: Timmins RGP


Book - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario

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Mono - Annual report for the year 1966, statistics of the mineral industry and mining operations in Ontario for 1966

Publication Number: ARV76 Page: 51  Date: 1998

Author: Riddell G.S.

Publisher Name: Ontario Dept. of Mines

Location:


Part - Mines of Ontario in 1938

Publication Number: ARV48-01.003 Page: 93-96  Date: 1997

Author: Sinclair D.G., Cave A.E., Tower W.O., Taylor J.B., Douglass D.P., Bayne A.S., Cooper D.F., Weir E.B., Webster A.R.

Publisher Name: Ontario Dept. of Mines

Location:


Part - Mines of Ontario in 1937

Publication Number: ARV47-01.003 Page: 102-103  Date: 1997

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Location:


Part - Mines of Ontario in 1936

Publication Number: ARV46-01.003 Page: 114-115  Date: 1997

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Location:


Part - Goudreau and Michipicoten gold areas, District of Algoma

Publication Number: ARV40-04.001 Page: 35  Date: 1998

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Location:


Part - Mines of Ontario in 1927

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Author: Sutherland T.F., McMillan J.G., Sinclair D.G., Cole G.E., Webster A.R.

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Location:


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