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4 Environmental Analysis <br /> 4.12 Mineral Resources <br /> b) Result in the loss of availability of a locally important mineral resource recovery site <br /> delineated on a local general plan, specific plan, or other land use plan. <br /> 4.12.4 Impact Analysis <br /> IMPACT 4.12-1: Would the project result in the loss of availability of a known mineral resource <br /> that would be of value to the region and the residents of the state? (No Impact) <br /> Although there are mineral resource locations and mining activities that occur throughout the <br /> region (in both San Joaquin County and Alameda County), there is very limited to no activity on <br /> or near the Project site. The nearest location is an "occurrence" that is not active now and is more <br /> than 3 miles away. The nearest active mining area is south of Tracy, approximately 8 miles to the <br /> east, and consists of three open-pit sand and gravel operations. Thus, the Project site is not <br /> located at or near any active mines, there are no mining claims within or near the Project site, and <br /> there is no designated Mineral Resource Zone (MRZ) within or near the Project site boundary. <br /> Pursuant to SMARA, as amended, the State of California mandated the development of mineral <br /> land classifications to help identify and protect mineral resources. After classification of mineral <br /> resource areas, SMARA provides for the designation of lands containing mineral deposits of <br /> regional or statewide significance. In addition, SMARA was designed to provide guidelines for the <br /> proper reclamation of mineral lands. In compliance with SMARA, the State Mining and Geology <br /> Board established MRZs to classify lands that contain mineral deposits. According to California <br /> Geological Survey maps, the Project site is not located within an MRZ (CGS 2022). <br /> The most current mapping of MRZs within San Joaquin County is presented in the San Joaquin <br /> County General Plan 2010 (San Joaquin County 1992). The map provided in this document <br /> shows no MRZs designated by the State Mining and Geology Board on or near the Project site. <br /> In the most recent update to the mapping of MRZs in Alameda County, the Midway Quad was not <br /> included (Kohler-Antablin 1996). As a result, no MRZs designated by the State Mining and <br /> Geology Board are present on or near the Project site in Alameda County. The closest zones are <br /> small areas of MRZ-2 in and around the town of Tracy, and a larger MRZ-3 area surrounding the <br /> Tracy MRZ-2 locations and extending southeast to the San Joaquin County boundary with <br /> Stanislaus County. <br /> Although numerous wells have been drilled in both Alameda County and San Joaquin County <br /> looking for oil and gas, none of the locations within 10 miles of the Project site have proven viable, <br /> and no wells actively producing petroleum products are located within this 10-mile radius. <br /> Therefore, the Project would not result in the loss of availability of a known mineral resource that <br /> would be of value to the region and the residents of the state and no impact would occur. <br /> Mitigation: None required. <br /> IMPACT 4.12-2: Would the project result in the loss of availability of a locally important mineral <br /> resource recovery site delineated on a local general plan, specific plan, or other land use plan? <br /> (No Impact) <br /> The Project site is not delineated as a locally important mineral resource (DOC 2022). The most <br /> current mapping of MRZs within San Joaquin County is presented in the San Joaquin County <br /> Griffith Energy Storage Project 4.12-5 Tetra Tech/SCH 2022120675 <br /> Draft Environmental Impact Report August 2023 <br />