Concept information
Preferred term
ROCK CORERS
Definition
- The rock corer is a device that collects volcanic glass from the surface of young lava flows on the seafloor. The head of the corer consists of a series of cups with sharp edges that are filled with a thick wax. The rock corer is lowered to the seafloor very rapidly and hits the hard surface of the lava. As it does so, chips of volcanic glass are broken off and stick to the wax. When the corer is recovered, the wax containing the glass chips is removed from the cups and is then heated to melt the wax. Scientists can then pick the glass chips out of the liquid and take them back to shore for analysis in their laboratories. [Summary provided by "Dive and Discover"] (en)
Broader concept
- Corers (en)
URI
https://gcmd.earthdata.nasa.gov/kms/concept/0e916c3b-d9ac-4fe1-bc7c-18772784f7fb
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