|Quadrangle map, 1:250,000-scale||MH|
|Quadrangle map, 1:63,360-scale||A-6|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This mineral occurrence is at an elevation of about 6,300 feet on a steep northwest-trending ridge about 1.5 miles northwest of Clearwater Creek. It is about a quarter of a mile west of peak 6630 in the NW1/4 section 24, T. 19 S., R. 4 E., Fairbanks Meridian. The location is probably accurate within a quarter of a mile. The occurrence corresponds to locality 9 in table 2 of Nokleberg and others (1991).|
The rock at this occurrence is a biotite-chlorite-garnet schist, possibly a skarn, in a roof pendant in the East Susitna batholith of Cretaceous age (Nokleberg and others, 1982, 1991). The occurrence is near a regional thrust fault.The garnetiferous schist is pyritic; a grab sample contained almost 0.5 ounce (15 parts per million) of silver per ton (Nokleberg and others, 1991, locality 9, table 2). The silver-bearing mineral is unknown.
|Geologic map unit||(-146.952065902861, 63.2237573639877)|
|Mineral deposit model||Pyritic garnetiferous skarn?|
|Age of mineralization||Probably Cretaceous, the age of the granitic intrusion near the site.|
|Alteration of deposit||Contact (?) metamorphism; skarn formation.|
|Workings or exploration||There are no workings at the occurrence.|
|Indication of production||None|
Nokleberg, W.J., Albert, N.R.D., Bond, G.C., Herzon, P.L., Miyaoka, R.T., Nelson, W.H., Richter, D.H., Smith T.E., Stout, J.H., Yeend, Warren, and Zehner, R.E., 1982, Geologic map of the southern Mount Hayes quadrangle, Alaska: U.S. Geological Survey Open-File Report 82-52, 27 p., 1 sheet,scale 1:250,000.
Nokleberg, W.J., Lange, I.M., Roback, R.C., Yeend, Warren, and Silva, S.R., 1991, Map showing locations of metalliferous lode and placer mineral occurrences, mineral deposits, prospects, and mines, Mount Hayes quadrangle, eastern Alaska Range, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-1996-C, 42 p., 1 sheet, scale 1:250,000.
|Reporters||W.T. Ellis (Alaska Earth Science), C.C. Hawley (Hawley Resource Group), and W.J. Nokleberg (USGS)|
|Last report date||7/31/2001|