STATE OF ALASKA DEPARTMENT OF NATURAL RESOURCES DIVISION OF GEOLOGICAL AiiD GEOPHYSICAL SURVEYS John W. Katz - Commissioner Geoffrey Haynes - Deputy Commissioner Ross C. Schaff -State Geologist November 1982 This is a preliminary publication of the Alaska Division of Geological and Geophysical Surveys and has not received final editing and review. The author will appreciate candid comments on the accuracy of the data and will welcome suggestions to improve the report. Alaska Open-file Report 169 BEDROCK GEOLOGY AND PETROLOGY OF THE FAIRBANKS MINING DISTRICT, ALASKA BY Robert B. Forbes With contributions by Florence R. Weber, Richard C. Swainbank, Joe M. Britton, and James M. Brown