Occurs in belt several mi wide on Miller Creek trail between Fortymile and Sixtymile Creeks, Fortymile district, Yukon River, east-central AK. Rock is sometimes massive but usually gneissic or schistose structure and occasionally is altered into mica-schists. Underlies Birch Creek series (new). Is considered "by analogy with fundamental granites in other regions" to be Archean age.
Source: GNU records (USGS DDS-6; Menlo GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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