It especially looks strange when you notice the little spheres attached to the main rocks.
There is another answer, but if it is what I think that would mean Mars had standing water for a long time..
The Pearlsian Gulf
This room is called the Pearlsian Gulf because of all the "cave pearls" located in the pools of water. These formations are called cave pearls
for a good reason. Not only because they look like pearls, but because they were created in much the same way oysters create real pearls. Oysters
deposit a mucus-like substance around a grain of sand that gets into their shell, which hardens into a layer of pearl. Over time, these hardened
layers build up to form a pearl.
In the case of the cave pearls, as water dripped from the ceiling and splashed into a puddle, tiny amounts of calcium dissolved in the puddle
water slowly built up around small fragments of rock. Over a long period of time, the accumulated layers of calcium created these smooth, round