Arabian Shield Geology
As of 5 Oct 2026, the geological maps hold 2,362 rock-unit polygons at 1:1,000,000, 12,622 at 1:500,000, and 103,735 at 1:250,000.
As of 5 Oct 2026. This snapshot stays fixed until it is updated by hand.
Rock units by era (1:1,000,000)
(1:1,000,000 · By era)
Source: Saudi Geological Survey
mis.sa
As of 5 Oct 2026, the geological maps hold 2,362 rock-unit polygons at 1:1,000,000, 12,622 at 1:500,000, and 103,735 at 1:250,000.
As of 5 Oct 2026. This snapshot stays fixed until it is updated by hand.