Significats de calcareous matter en anglès

But little calcareous matter was found elsewhere than on the southern shores.

This mass contains white calcareous matter in small patches.

The soil appears to be full of calcareous matter, with which the rocks are incrusted.

A little below the margin their individuality is lost in the deposition of rough calcareous matter.

As the years multiply the system absorbs an abnormal and ever increasing amount of calcareous matter.

Spiral form of shells saves calcareous matter.

Heat, action of, on calcareous matter.

He goes on to say that the animal parts having been destroyed, the shell remains, being composed of calcareous matter.

They are the coral polypes which grow, flourish, and add to the mass of calcareous matter which already forms the reef.

Several other varieties are chiefly characterised by containing innumerable threads of dark-green serpentine, and by having calcareous matter in their interstices.

If the calcareous matter has originated from disintegrated shells and corals, the presence of animal matter is what might have been expected.

At the Sugar-Loaf quarry, fragments of rock on the adjoining slopes have been thickly coated by successive fine layers of calcareous matter.

Subsequent volcanic eruptions, associated with calcareous matter in an earthy and fibrous form, and often enclosed within the separate cells of the scoriae.

That all the masses of marble or limestone are composed of the calcareous matter of marine bodies, may be concluded from the following facts:

Between two beds of hard crystalline limestone, near Newtown, a layer of white soft calcareous matter is quarried, and is used for whitewashing houses.

It accords with this view, that I found on Signal Post Hill, a mass of earthy, calcareous matter of the same nature, mingled with scoriae.