DOI: 10.1029/2004je002341
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Abstract: A diamond‐impregnated bit will be the most probable choice for Mars drilling applications. This is because it can be used to drill or cut the hardest rocks, including the most common rocks on Mars, i.e., basalt and andesite (Bandfield et al., 2000). Recent results suggest a possibility of the Martian regolith containing clay minerals (Webster and Savage, 2004; Ruff, 2003), products of chemical weathering of certain minerals such as, for example, olivine (Hoefen et al., 2003) in the presence of water. Thus, in …

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