|Quadrangle map, 1:250,000-scale||MH|
|Quadrangle map, 1:63,360-scale||A-2|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is about a mile southeast of the mouth of Slate Creek and at an elevation of about 4,400 feet. The occurrence is in the NW1/4SE1/4 section 22, T. 20 S., R. 15 E., Fairbanks Meridian. The occurrence corresponds to locality 25 of Rose (1967) and locality 18 on figure 6 of Cobb (1979 [OFR 79-238]. The location is accurate within 0.1 mile.|
Geologic descriptionThe rocks at this occurrence are an extensive body of pyritized andesite of Pennsylvanian age (Rose, 1967). The volcanic rocks are cut by quartz veinlets, and a sample assayed 0.04 ounce of gold per ton (Rose, 1967).
|Geologic map unit||(-144.848727156588, 63.1642028601136)|
|Mineral deposit model||Polymetallic veins? (Cox and Singer, 1986; model 22c?).|
|Mineral deposit model number||22c?|
|Age of mineralization||Uncertain; epigenetic introduction of quartz and pyrite.|
|Alteration of deposit||The andesite is pyritized and has been silicified (Rose, 1967).|
|Indication of production||None|
Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Mount Hayes quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-238, 140 p.
|Reporters||W.T. Ellis (Alaska Earth Sciences), C.C. Hawley (Hawley Resource Group), and W.J. Nokleberg (USGS)|
|Last report date||7/9/2003|