In at least 500 words, provide an in-depth analysis of the geological properties, including the structure, composition, and formation process, of a well-known rock formation of your choice. Use scientific terminology and sources to support your claims and demonstrate a thorough understanding of the formation's unique characteristics. Include a discussion of any notable geological events or phenomena that have affected the rock formation over time, and explain how these have shaped its current state. Your analysis should be written in a clear and concise style, and should be suitable for a scientific publication or presentation.
This prompt doesn't seem malicious.