Active lava flows at volcanoes might move several feet per minute when hot. As the lava flows cool, they slow down to a rate of only a few feet per day. Geologists in Hawaii keep a close watch on active lava flows. They use handheld global positioning system (GPS) receivers to map lava flows as accurately as possible.
Libra, Aquarius, Gemini. Religion & Spirituality. Air is the element of the mind, and airy types know that everything begins with an idea. These are the idea people, who breeze in and offer a fresh perspective on the situation at hand.
A symbol for Gemini was 'a Pile of Bricks', referring to the building of the first city and the fratricidal brothers, and the Sumerian name for the month May-June, when the sun was in Gemini, signified 'Bricks' [Allen, Star Names]. Masonry is the craft of piling one stone or brick upon another.