portion submerged in shallow water of
The light shines in the darkness, and the darkness has not overcome it.
John 1:5 NIV
- Continental shelf (Wikipedia)
A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island is known as an “insular shelf.”