How do you maintain wave-power generators in the open sea against incrustation by marine growth and the general corrosion of sea water?
Further work is needed to establish how much investment is required to overcome dereliction in water mains including the removal of incrustation from pipes and the remedying of corrosion.
Secondary weathering incrustations of erythrite, hydrated cobalt arsenate, are common.
The remains were very poorly preserved but the upper canines were both decorated with pyrite incrustations.
The walls of the cave are smooth and dark, with rare incrustations of calcium carbonate appearing.
Siliceous sinter is a deposit of opaline or amorphous silica which appears as incrustations near hot springs and geysers.
It occurs as fumarolic incrustations in volcanic environments, as small crystals and masses in evaporite deposits and in guano deposits.
Both forms have a thin incrustation on their walls that gives them a rough appearance when viewed with a light microscope.
