rock_corer (2) 960

by |January 15, 2015

A third type of coring device extracts shattered volcanic rock from the sub-seafloor. The wax corer, as it’s called, smashes into the basalt and catches the glassy debris on its wax wheels. Glass chips are extracted when the wax is later melted. Here, cruise leader Charlie Langmuir and Zhongxing Chen, both of Harvard, prepare the wax corer. (Yinqi Li)


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