Unnamed (east flank of NorthTwin Mountain)

Mine, Inactive

Commodities and mineralogy

Main commodities Au
Ore minerals gold
Gangue minerals quartz

Geographic location

Quadrangle map, 1:250,000-scale NM
Quadrangle map, 1:63,360-scale C-1
Latitude 64.675
Longitude -165.4651
Nearby scientific data Find additional scientific data near this location
Location and accuracy This small placer mine is at an elevation of about 350 to 600 feet in the headwaters of an unnamed, east-trending drainage on the northeast flank of Twin Mountain. The site is 2,500 feet northeast of elevation 1140 on Twin Mountain and is located to within 500 feet. It is near the south end of the boundary between sections 27 and 28, T. 9 S., R. 34 W., Kateel River Meridian and downslope from the Lilly lode prospect (NM189).

Geologic setting

Geologic description

A small hillside placer gold mine was worked by hand methods in the head of a gulch to the east and south of the Lilly lode (NM189). The gulch contains locally derived quartz boulders. Although only low-grade material has been found at the Lilly and nearby prospects, these lodes likely contained some free gold that was the source of the hillside placer.
Geologic map unit (-165.467712053989, 64.6742346754037)
Mineral deposit model Alluvial placer Au (Cox and Singer, 1986; model 39a).
Mineral deposit model number 39a
Age of mineralization Quaternary.

Production and reserves

Workings or exploration Small hand workings are present in this gulch below the Lilly prospect.
Indication of production Yes; small

References

MRDS Number 10307991
Reporters C.C. Hawley and Travis L. Hudson
Last report date 7/10/2000