Which means that mars is still active geologically .
这意味着火星仍然在地质上很活跃。
Geologically , not all volcanoes are the same .
从地质学来说，并不是所有火山都是相同的。
On february 24th the government is due to announce new offshore oil concessions in " pre-salt " deposits that are geologically similar to those across the atlantic in brazil .
