Mine detail: Jumbo Gold Mine

Previously called 'Smith Prospects: JumboMinnesotaDuluth Claims'

<< Back to the map

Location

Lat / long:

57.65332, -136.10703

Resource(M)

Primary:	Gold
Tertiary:	Zinc, Lead
Ore:	Galena, Sphalerite
Gangue:	Pyrite, Quartz
Discovery year:	1909

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1909
Last production ended:	1921

Geology

Host rock:	Sitka Graywacke
Host type:	Siltstone
Tectonic:	Chugach Terrane

References

MRDS	A013272
DEP	10002354
Reference	{Deposit:: USGS B 929, P. 126-128, PLATES 1, 3 (1941)}{Deposit:: USGS OF 78-450, P. 64 (1978)}{Deposit:: USGS MF-1476-B, P. 6, LOC. 17 (1982)}{Deposit:: USGS MF-467, LOC. 32 (1972)}{Other Database:: BAG-B-929-PL-1}
Reporter	Leonard, Kenneth R. (Huber, Donald F.)