Magnetic Spherules in Deep-sea Deposits HANS PETTERSSON

sediments covering the ocean floor have at-tracted so much attention as the magnetic spherules first described in 1876 by Sir J ohn Murray. Struck by the resemblance of their surface structure to that of iron meteorites, Murray called them "cosmic spheru les. " The number he was able to extract from one quart of the deposit, by means of a small magnet, varied from 20 to 30 in samples of Red Clay, whereas in the same quantity of Globigerina Ooze only one or two were found (M urray