@nazmul123
The formation has been identified as "a fractured flow of hyaloclastite rock (a volcanic rock formed in high-energy eruptions where many rock fragments settle to the seabed)."
On the radio, the team notes that the ground looks almost like a "baked crust" that could be peeled off.
In one tiny section, the volcanic rock has fractured in a way that looks strikingly similar to bricks.
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