Gulf of Alaska Expedition 2004. A cross sectional view through a fracturedpillow basalt. The outer curved surface is the chilled rind, and the wedgesthat radiate from the center are fractures caused by rapid cooling of moltenlava in the cold seawater
4/10/2019 12:02:01 PM
Credit: Gulf of Alaska 2004. NOAA, WHOI, and the Alvin Group
Subject: Ocean exploration