MINFILE Mineral Inventory

MINFILE Record Summary

MINFILE No 104N 048

File Created:	24-Jul-1985	by	BC Geological Survey (BCGS)
Last Edit:	06-Oct-2021	by	George Owsiacki (GO)

SUMMARY

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		NMI	104N13 Cu1
Name	MACDONALD, MCDONALD	Mining Division	Atlin
		BCGS Map	104N092
Status	Showing	NTS Map	104N13W
Latitude	059º 54' 29''	UTM	08 (NAD 83)
Longitude	133º 45' 06''	Northing	6641830
		Easting	569820
Commodities	Copper	Deposit Types	L04 : Porphyry Cu +/- Mo +/- Au
Tectonic Belt	Intermontane	Terrane	Plutonic Rocks, Cache Creek

Capsule Geology

The Macdonald occurrence is located somewhere along Hitchcock Creek, about 37 kilometres north of the community of Atlin.

The copper showing is underlain by tonalite intrusive rocks of the Middle Jurassic Three Sisters Plutonic Suite. Little information is available on this occurrence. It is known that 38 metres of underground work was completed in, or just prior to 1902, with assays of rock being "quite satisfactory". The owners were apparently planning to ship ore to Tacoma when navigation conditions permitted (Minister of Mines Annual Report 1902). It is inferred to be disseminated chalcopyrite mineralization.


Bibliography	EMPR AR 1901-985; 1902-H38 EMPR FIELDWORK 1990 EMPR MAP 52 EMPR OF 1996-11 GSC MAP 1082A GSC MEM 307 GSC OF 864 GSC P 74-47