It stands to reason that --
on Mars, too -- occasionally, the percussive rotation / jaw motion of the drill bit will cause softer rock, like sandstone, for example, to turn to a fine powder, and run out of the tube, before being sealed.
It seems
something quite like that. . . happened on Mars last week.
But not to worry (as many
an old miner might intone) -- lots more tubes to fill, and sites to drill.
So,
live, and learn -- onward, ever onward -- for this small Barsoomian part time miner,
grinning.
नमस्ते
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