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Auger Mining In Weathered Hard Rock

Jul 06, 2020 As noted by the International Society for Rock Mechanics 1981, a typical rock weathering profile is composed of six weathering grades fresh, slightly weathered, moderately weathered, highly weathered, completely weathered, and residual soil see Table 1. This classification is mainly based on the discoloration and decomposition of the rock ... Our company is committed to building crushing, industrial grinding, ore processing and green building materials, and provides intelligent solutions and mature supporting products. Welcome to buy.

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