Timiskaming
adjective
Ti·mis·ka·ming
tə̇ˈmiskəmiŋ
geology
: of, relating to, or being a North American series (see series entry 1 sense 5) of rocks considered a recent division of the Archean
The alteration zones consist of … felsic porphyries and metasedimentary wackes and arkoses of the late Archean Timiskaming series. 
Canada Newswire, 16 June 2008
Canada Newswire, 16 June 2008
Word History
Etymology
from Timiskaming, lake & district of southeast Ontario, Canada