Igneous and metamorphic rocks of the Serpentine Hot Springs area, Seward Peninsula, Alaska

Description

Igneous and metamorphic rocks of the Serpentine Hot Springs area, Seward Peninsula, Alaska, Professional Paper 1079, describes the geology of the Serpentine Hot Springs area of the Seward Peninsula, Alaska, emphasizing the petrology, petrography, and mapped relations of lithologic units within a composite, epizonal biotite granite stock and the regionally metamorphosed metasedimentary rocks that surround it. Geologic relations are combined with reconnaissance geochemical data to define mineralized zones and their spatial associations with the granite stock. Petrochemical variations within the granite are integrated with field observations to enhance understanding of magmatic evolution and mineralization processes. The synthesis of lithologic, petrographic, and geochemical data provides insight into the tectonic and thermal history of the region, contributing to broader interpretations of crustal development in western Alaska. The complete report, geodatabase, and ESRI fonts and style files are available from the DGGS website: https://dggs.alaska.gov/pubs/3976.

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