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San Joaquin County Community Environmental Setting,Impacts,and Mitigation Measures <br /> Development Department Geology,Soils,and Seismicity <br /> minimized,recommend that mined lands are reclaimed and residual hazards to <br /> public health and safety are eliminated, and suggest that consideration be given <br /> to recreational,watershed,wildlife,aesthetic,and other related values. <br /> SMARA provides for the evaluation of an area's mineral resources using a <br /> _ system of Mineral Resource Zone (MRZ)classifications that reflect the known or <br /> inferred presence and significance of a given mineral resource. The MRZ <br /> classifications are based on available geologic information, including geologic <br /> mapping and other information on surface exposures,drilling records, and mine <br /> data and socioeconomic factors such as market conditions and urban <br /> development patterns. The MRZ classifications are defined as follows. <br /> ■ MRZ-1—Areas where adequate information indicates that no significant <br /> mineral deposits are present or where it is judged that little likelihood exists <br /> for their presence. <br /> ` ■ MRZ-2—Areas where adequate information indicates that significant <br /> mineral deposits are present or where it is judged that a high likelihood for <br /> their presence exists. <br /> r <br /> ■ MRZ-3—Areas containing mineral deposits,the significance of which <br /> cannot be evaluated from available data. <br /> ■ MRZ4—Areas where available information is inadequate for assignment <br /> into any other MRZ. <br /> SMARA governs the use and conservation of a wide variety of mineral <br /> resources. However, certain resources and activities are exempt from the <br /> provisions of SMARA. Subject to certain conditions,exempted activities include <br /> ` excavation and grading conducted for farming, on-site construction, or recovery <br /> from flooding or other natural disasters. Solar extraction of salt and related <br /> minerals from sea and bay waters is also exempt from SMARA governance. <br /> Local Regulations <br /> Seismic Safety Element of The San Joaquin County General Plan <br /> The San Joaquin County General Plan 2010: Volume I: Policies/Implementation <br /> (San Joaquin County 1992)outlines goals and policies related to geology, <br /> seismicity, and soils within the project area. The following objectives,policies, <br /> and implementation procedures are relevant to the project area. <br /> Public Health and Safety: Seismic and Geologic Hazards <br /> Objectives <br /> 1. To reduce the risk to life and property and increased governmental cost <br /> from potential seismic occurrences. <br /> r. 2. To minimize the adverse economic,social,and physical impacts from <br /> geologic hazards. <br /> DeSilva Gates Quarry Project <br /> Draft Environmental Impact Report 31-9 <br /> J8S 05705.0 <br /> r <br />