This survey was undertaken in the hope of extending our knowledge of the Appalachian Mountain System and i t s erosional history by study of the topography of part of the System in Canada, The area studied lies chiefly in…

Microchemlcal analysis is one of the many methods used in the chemical examination of minerals. This method requires a petrographic microscope and also a knowledge of optical mineralogy. Since the microchemlcal method requires only a small sample, it is preferable…