The study of zircon U-Pb ages and geochemical characteristics of volcanic rocks from the Garut Basin, specifically Cikuray, Papandayan, and Guntur, provides valuable insights into the geological and tectonic setting of the region.

Zircon U-Pb dating is a widely used method to determine the age of volcanic rocks. By analyzing the uranium-lead isotopic system in zircon crystals, researchers can accurately date the crystallization age of the volcanic rocks. This information is crucial for understanding the timing of volcanic activity and its relationship to other geological events.

The geochemical characteristics of volcanic rocks, such as major and trace element compositions, provide important clues about their origin and tectonic setting. Different tectonic environments, such as subduction zones or continental rifts, have distinct geochemical signatures that can be identified through geochemical analysis.

By combining zircon U-Pb dating with geochemical analysis, researchers can unravel the geological and tectonic history of the Garut Basin. The ages of volcanic rocks can help establish the timing and duration of volcanic activity in the region. This information can be used to reconstruct the volcanic history of the area and understand the processes that led to the formation of the Garut Basin.

Furthermore, the geochemical characteristics of the volcanic rocks can provide insights into the tectonic setting of the region. For example, if the volcanic rocks show geochemical signatures typical of subduction zones, it suggests that the Garut Basin was formed in a subduction-related tectonic setting. On the other hand, if the geochemical signatures indicate a continental rift environment, it suggests that the basin formed due to extensional tectonics.

Understanding the geological and tectonic setting of the Garut Basin is important for various reasons. It helps in regional geological mapping, resource exploration, and hazard assessment. Additionally, it contributes to our broader understanding of plate tectonics and the processes that shape the Earth's crust.

In summary, the study of zircon U-Pb ages and geochemical characteristics of volcanic rocks from the Garut Basin provides valuable information about the geological and tectonic setting of the region. It helps in understanding the timing and nature of volcanic activity and provides insights into the tectonic processes that shaped the Garut Basin.