The clay will be found about one meter below the ground.

VOA: special.2009.09.14

He dropped to the ground and kissed the clay.

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Armed with more sophisticated analysis tools than earlier rover teams, Curiosity scientists have been able to conclusively find the first on-the-ground evidence for the presence of abundant clay minerals within those drilled rocks.

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On the ground floor, in a large workroom, there is the sound of clay slabs being pounded.

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