ROV Dive S0476 - JaichMaa ’ja’ag vent field Tay Ujaa Big Cavern

Join ROV SuBastian from the RV Falkor for the fifteenth dive of the Interdisciplinary Investigation of the Pescadero Basin expedition. This is the seventh dive of the third leg, primarily focused on the biological component. The JaichMaa ‘ja’ag vent field in the South Pescadero Basin consists of four large and several small hydrothermal edifices. One of the largest, is known as the Big Cavern (or Cave). This dive has three primary objectives: (1) travel to a bacterial mat and clam bed site SW of the Big Cavern to collect push cores and corresponding temperature profiles, inc heat flow measurements, (2) travel to the Big Cavern to deploy mineral colonization experiments and collect rocks and animals, (3) If time, travel to the Big Sister site to collect animal and rock samples #PescaderoVentDiving2