Before leaving Adirondack, Spirit took images and collected miniature thermal emission spectrometer (Mini-Tes) data from the hole it ground with its rock abrasion tool (Rat).

BBC: NEWS | Science/Nature | Rover sets Mars distance record

This decision will partly be based on data obtained from the Mini-Thermal Emission Spectrometer (Mini-Tes), which the scientists are currently using to map the mineral composition of the rocks in Endurance.

BBC: NEWS | Science/Nature | Rover finds new Mars water signs