Pervasive Hydrothermal Events Associated with Large Igneous Provinces Documented by the Columbia River Basaltic Province

摘要

( ) Columbia River Basalt province showing dikes, lava flows and silicic centers coeval with the CRBs and younger (modified after ) as well as sample locations. See Table  for chemical and isotopic values. Roman numerals indicate dike groups. Field photograph of the Maxwell Lake dike where basalt melted granitic wall rock of Wallowa Batholith (see Fig. S1 for detailed view of the contact).