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绪言1962年索尔斯坦逊(Thorsteinsson)和托泽(Tozer)首次对维多利亚岛前寒武系进行了综合研究工作,并定名为谢勒群(Shalcr Group)。同时对班克斯岛南端的前寒武系也进行了观测,对两地岩层作了对比。1969年考克(Cook)和艾特金(Aitken),1970年巴尔克威尔(Balkwill)和约拉思(Yorath)分别在加拿大本土北端的布罗克因勒(Brock Inlier)对上前寒武系进行了工作,只指出该区岩层相当于索尔斯坦逊和托译在维多利亚岛命名的谢勒群,
INTRODUCTION Thorsteinsson and Tozer conducted the first comprehensive study of the Precambrian in the island of Victoria in 1962 and was named the Shalcr Group. At the same time, the Precambrian at the southern end of Bank Island was also observed and the strata of the two places were compared. Cook and Aitken in 1969, Balkwill and Yorath in 1970, respectively, at Brock Inlier, on the northern tip of Canada, Department of the work carried out only pointed out that the area is equivalent to the rock formations in Salisandon and entrusted translation of the Scheler group named in Victoria Island,