Dissolution of ophiuroid ossicles (Ophionotus victoriae) in Explorers Cove, Antarctica: implications for the Antarctic fossil record

• Main Author: Walker, Beverly Jeanne
• Format: Thesis
• Language: unknown
• Published: 2011
• Subjects: Explorers Cove; ossicle dissolution; brittle-star taphonomy; Antarctica; Antarctic; The Antarctic; McMurdo Sound; Taylor Valley; Freed; Antarc*
• Online Access: http://hdl.handle.net/1803/13109; https://etd.library.vanderbilt.edu/etd-07172011-191530

The brittlestar, Ophionotus victoriae, is the third most abundant epifaunal animal in Explorers Cove (EC; mouth of Taylor Valley). However its ossicles, composed of high-Mg calcite, rarely occur in either short cores of recent EC sediment or long cores of Cenozoic deposits in McMurdo Sound (e.g. MIS...