Fig. 1. Location of Hermon-type granites (black), Popple Hill gneisses (dashes), and Upper Marble (lined pattern) in the Grenville Lowlands (modified after Carl and deLorraine, 1997, and omitting many associated rock types). Hermon-type granites include Gray's School (GS), Hermon Village (HV), Trout Lake (TL), Sherman Lake (SL), Ore Bed Road (OBR), Shiner Pond, (SP), Mott Creek (MC), Fullerville (FL), and Fowler (FW) bodies.