Breda Formation whale bones were found), the Zenderen Member (green, glauconiferous fine sand) and the Delden Member (sandy, glauconite and goethite bearing clay and loam. The Breda Formation corresponds largely with the Berchem Formation of northern Belgium. Breda Formation The Breda Formation (; abbreviation: BR) is a geologic formation in the subsurface of the Netherlands. The formation consists of marine glauconiferous sands and clays that were deposited during the Miocene epoch. Although the formation is not very rich in fossils, sometimes bones of fishes, mammals ("Leptophoca cf. proxima", "Protophocaena minima"), shells and shark teeth (a.o of Megalodon) are found. The Breda Formation
Siege of Breda (1624) the Dutch regularly used the town as a base for raiding Spanish Brabant, the parts of Brabant under royal rule would be better protected if the city were conquered. In addition, neighbouring towns occupied by the States, such as Bergen op Zoom, would be easier to conquer with a foothold in Breda. In 1590, Breda was captured from the Spanish using the stratagem with the peat boat. The conquest of a well-defended city like Breda would erase this disgrace. More importantly, Spinola personally felt that the failure of the Siege of Bergen-op-Zoom (1622) was a blot on his reputation. Furthermore,