ROV Dive S0479 - South mounds to JaichMaa ’ja’ag Vents

Join ROV SuBastian from the RV Falkor for the eighteenth dive of the Interdisciplinary Investigation of the Pescadero Basin expedition. This is the ninth dive of the third leg, primarily focused on the biological component. Exploratory dive to suspected hydrothermal features detected during seafloor mapping surveys located South of the JaichMaa ’ja’ag Vent Field. The objectives of this dive are to (1) explore and photo document the South Mound vents and, if actively venting, (2) measure temp of fluid flow and (3) collect representative animals, rock samples and push cores in the vicinity of the vent. (4) If time, heat flow measurements and Xenophyophores will be collected during the 780 m transit (heading 357º) to JaichMaa ‘ja’ag upside down flange site (5) collect push cores near the big Cavern and if time sample at Red Hill to the South. #PescaderoVentDiving2