Boundary Project: Reassessment of Paleozoic Rock Units of the Greenwood Area (NTS 82E/02), Southern British Columbia

The Bound ary Pro ject has been ini ti ated with the pur pose of better char ac ter iz ing the lithological and geo chem i cal vari a tions within and be tween the var i ous Pa leo zoic se quences in the south ern Okanagan re gion along the United States bor der. These oc cur within the Quesnel Terrane, which is dom i nated by such Pa leo zoic mafic vol ca nic and pelitic rocks, un con form ably over lain by Tri as sic and Ju ras sic vol ca nic and sed i men tary rocks. In the Bound ary Dis trict, such se quences in clude the Knob Hill Com plex, Att wood For ma tion, Kobau Group and An ar chist Schist. These are ex posed be tween down-faulted blocks of Ter tiary vol ca nic and sed i men tary cover pre served in struc tural keels be tween gneissic domes (Fig. 1). In 2005, field work was con cen trated in the Green wood – Rock Creek area (NTS 082E/02). In fu ture years, field work will prog ress into the Osoyoos (NTS 082E/03) and Keremeos (NTS 082E/04) map sheets.