I think you personally need to do this yourself. Sorry I don’t know
Since Shale is a sedimentary rock, it has clay minerals
The invention of compass and astrolabe contributed in a great way for the European expansion. These discoveries helped the Europeans to sail for unknown waters and reach the lands that have never been reached before. before the discovery of the compass and the astrolabe, the explorations were mostly limited along the shoreline and rarely would anybody try to venture into the unknown oceans. These discoveries allowed the navigators to locate their positions by watching the position of the sun and the stars.
The strongest predictor of task performance in a workplace would be the Spatial Intelligence. Spatial Intelligence is one of the area of multiple intelligence dealing with the spatial judgement that provides the ability to fix problems and would create products that have value in a specific culture.
