Highlights of 1991 Mapping in the Atlin-west Map Area (104n/12)
نویسنده
چکیده
taposed along the north-trending, high-angle Nahlin fault; all three tectonic elements are intruded by the Late Cretaceous Atlin Mountain pluton (Figure 1-19-2). The oldest rocks in the eastern domain are Mississippian to Triassic oceanic; crustal and sedimentary rocks of the Cache Creek Complex. These include ultramafite, basalt, limestone, chert, argillite and wacke, and probably a mixed ultramafic. gabbro and pillow basalt unit designated the Graham Creek igneous suite (Mihalynuk and Mountjoy,
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