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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br /> <br />time of mining and the area of the Phase to be mined. The total life of the pit will be ten to fifteen <br />:ears. <br />The depth of the overburden varies from 0 to 5 feet; with the average being about 3 feet. The <br />depth of the sand and gravel deposit averages 1 ~ feet. The underlying material is Mangos Shale. <br />The priman product to be mined is sand and Gravel. This material will used for construction <br />aggregate for roads; pipe bedding and concrete aggregate. <br />