Core Values

ANTARCTICA - The only shipboard analysis we are doing for the JPCs on this particular cruise is for magnetic susceptibility (MS). MS gives us clues as to the geologic provenance of the sediments and entrained coarse material, which serves as a proxy for the depositional environment: a high MS indicates the presence of terrigenous material likely to have fallen out of the bottom of a glacier, whereas a low MS indicates a more open-water depositional environment and the absence of an overlying glacier. By running MS on the JPC and JGCs (and JTC, the trigger core), we can see what sediment we collected and start to loosely define different sedimentary and climatic events. Visit Expedition Antarctica to view the rest of the article.

 

BP oil spill may have led to deformities in fish

ST. PETERSBURG - BP oil spill causing abnormalities in developing Gulf of Mexico fish. Dr. Steve Murawski, a fisheries biologist and marine ecologist explains why.

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