Category: Mesozoic

Pisolitic Ore in Mesozoic Switzerland: Uncovering the Mysteries of Bohnerze

Bohnerze, also known as pisoliths, is a type of iron ore found in Switzerland. It is a unique type of ore that has a spherical shape with a diameter ranging from a few millimeters to several centimeters. The ore consists of concentric layers of iron oxide minerals, often surrounded by a thin layer of clay