Learning about Gravity Cores with Cassie and Chris June 9, 2022 | By Alejandra Martinez | Updates from Sea Gravity is our friend. One of the methods we use to collect sediment is a gravity core. In the video below, Cassie Stirpe and Chris Fanshier explain how a gravity core works. Latitude: 41 deg 44.158’N Longitude: 66 deg 20.694’W Cruise Day #: 7 Weather Conditions: Cloudy, drizzle Wave and Sea Conditions: Choppy seas