Seward Peninsula-St. Lawrence Island PorphMo-W

Region Alaska, Alaska
Mineral systems
Deposit types
Other minerals

Information leading to the delineation of this focus area

Basis for focus area ARDF occurrences, known deposits.
Identified resources Unknown.
Production None recorded.
Status Past exploration.
Estimated resources None.
Geologic maps Little to no modern mapping at better than 1:250,000 scale.
Geophysical data Inadequate aeromagnetic and aeroradiometric coverage.
Favorable rocks and structures Hornblende and biotite granite and granodiorite, locally monzonite.
Deposits None.
Evidence from mineral occurrences Numerous ARDF occurrences such as Windy Creek, Poovookpuk.
Geochemical evidence Anomalous rock chip geochemistry.
Geophysical evidence No data.
Evidence from other sources Permissive geologic terrane and known occurrences.
Cover thickness and description Unknown.
Authors Douglas C. Kreiner, James V. Jones III, Melanie B. Werdon.
New data needs New mapping, geophysics, updated geochemical sampling.
Geologic mapping and modeling needs Mapping at 1:100,000 scale or better.
Geophysical survey and modeling needs Aeromagnetics and radiometrics collected at Rank 2.
Digital elevation data needs IfSAR coverage is complete over entire focus area.