Mineral Deposit Inventory for Ontario

Ministry of Energy, Northern Development and Mines

Permanent Link to this Record: MDI000000002490

Deposit: MDI000000002490

General

Mineral Deposit Identification
Deposit Name(s) Holt - 1994
Deposit Status occurrence
Date Created 2021-Feb-23
Date Last Modified 2021-Feb-23
Created By T Pettigrew
Revised By T Pettigrew

Commodities

Primary Commodities: gold, copper

Secondary Commodities: zinc

Location

Township or Area: Summers

Latitude: 49° 34' 56.13"    Longitude: -87° 58' 54.68"

UTM Zone: 16    Easting: 429026   Northing: 5492649    UTM Datum: NAD83

Resident Geologist District: Thunder Bay North

NTS Grid: 42E12SW

Point Location Description: OFR6095 Table 3

Location Method: data compilation

Exploration and Mining History

1994: L. Holt carried out trenching and sampling.

Assessment Work on File

Assessment Work on File
Office File Number   Online Assessment File Identifier   Online Assessment File Directory  
2.15926     42E12SW0002     Open
2.15606     42E12SW0015     Open

Geology

Province: Superior

Subprovince: Wabigoon

Belt: Beardmore-geraldton

Geological Age: Archean   

Mineral Deposit Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
mafic metavolcanics 1 near
iron formation 2 host

Lithology Comments

02/23/2021 (T Pettigrew) - The Holt property is underlain by mafic metavolcanic rocks of the Southern Metavolcanic Subbelt (SVB). The showing consists of chert-magnetite iron formation hosted by mafic massive flows (Hart et al., 2002).

Mineralization

Deposit Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Habit Description
1 pyrite economic ore
2 chalcopyrite economic ore

Mineralization Comments

02/23/2021 (T Pettigrew) - Previous work consisted of stripping and collecting grab samples. The following assay values were reported: 2.057, 2.5 and 5.5 g/t Au and 1.0, 1.1 and 1.4% Cu and 260.6 ppm Zn (Hart et al., 2002).

References

Publication - Precambrian Geology of Kitto, Eva, Summers, Dorothea and Sandra Townships, Northwestern Ontario: Phoenix Bedrock Mapping Project, p. 126

Publication Number: OFR6095    Date: 2002

Author: Hart, T.R., ter Meer, M. and Jolette, C.

Publisher Name: OGS


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Ministry Contact Information

For detailed information regarding this mineral deposit please contact the Thunder Bay North Resident Geologist District Office