The Wealden Group refers to a geological formation that consists of sedimentary rocks found primarily in southern England. This group holds great significance as it presents an abundant source of information about the early Cretaceous period. While there may not be direct synonyms for the term "Wealden Group", alternative expressions such as "Wealden Formation" or "Weald Clay" are commonly used interchangeably to refer to this rock unit. These varied names ultimately capture the essence of this crucial geological feature, characterized by its distinctive sedimentary composition and its crucial role in contributing to our understanding of Earth's ancient history.