Which of the following districts of Bihar is known for having substantial gold ore resources (such as Sonu block)?

Consider the following statements regarding the categorization of Bihar's major mineral resources: I. The state's detailed breakdown of major mineral resources is structurally categorized into three main pillars: Precious Metals, Industrial Non-Metallic Minerals, and Emerging Critical Minerals. II. Under the 'Industrial Minerals' pillar, the state's resources are non-metallic and are designated as essential components for the construction and chemical industries. III. The 'Precious Metals' pillar within this specific categorization is defined by the extraction of silver and platinum alongside gold in the northern agrarian districts. Which of the statements given above is/are correct?

In which block of Jamui district in Bihar are major gold deposits localized?