Where did all the sand in the Sahara desert come from?

All scholars hold the view that the primary source of the world’s quartz sand and sandstone deposits is granite rock – that is to say billions of years of weathering and erosion of granite outcrops created the sand that forms our beaches, sandy deserts and sandstone deposits globally. Impossible! No amount of time or erosion … Continue reading Where did all the sand in the Sahara desert come from?