and some of these rocks could preserve evidence of ancient microbial life." There will be three sedimentary cylinders. In addition, Perseverance will drop samples of soil and atmosphere ...
Critically, the samples are of a rock type that can be definitively dated. At present, ages on Mars can only be inferred indirectly. The other part of the cache will include sedimentary type rocks ...
This used to be sand and other sediment - that's why it is called sandstone - which is a type of sedimentary rock. Sedimentary rocks are formed when pieces of rock are eroded, or worn away ...
Petrological characterization was carried out in Ottawa and spectroscopic analysis of graphitic carbon was carried out in London, U.K. "Graphitic carbon from chemical sedimentary rock samples has ...