EX1806 – Dive 04, Blake Escarpment South Published September 20, 2020 at 720 × 540 in Geological Overview: EX1806 – Dive 04 Blake Escarpment South ← Previous Next → The team found a small section of the rock rubble that looked perfect for sampling by the ROV Deep Discoverer. Each of these elevated, exposed pieces of rock hosts a small benthic community of organisms.