Power-spectrum analysis of two 'varved' argillites in the Huronian Cobalt Series (Precambrian) of Canada Jackson, T. A. Abstract Publication: Journal of Sedimentary Research Pub Date: December 1965 DOI: 10.1306/74D71393-2B21-11D7-8648000102C1865D Bibcode: 1965JSedR..35..877J