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Updated: June 5, 2025
It is that these honeycombed and fantastically-shaped masses of dolomite or magnesian limestone represent the skeletons of vaster rocks whose less resisting parts were washed away by the wearing action of the sea.
The 'Devil's City' can be recommended to the botanist, who need not fear that the flowers he will find there will wither at his touch like those gathered for Marguerite by her guileless lover. The ever-crumbling dolomite has formed a soil very favourable to a varied flora.
The uppermost stratum is always dolomite or bright white quartz. Semalembue intended that we should go a little to the northeast, and pass through the people called Babimpe, and we saw some of that people, who invited us to come that way on account of its being smoother; but, feeling anxious to get back to the Zambesi again, we decided to cross the hills toward its confluence with the Kafue.
Quartz, dense and milky, also in quartz of nearly every colour and appearance, saccharoidal, crystalline, nay, even in clear glass-like six-sided prismatic crystals, and associated with silver, copper, lead, arsenic, iron as sulphide, oxide, carbonate, and tungstate, antimony, bismuth, nickel, zinc, lead, and other metals in one form or another; in slate, quartzite, mica schist, granite, diorite, porphyry, felsite, calcite, dolomite, common carbonate of iron, siliceous sinter from a hot spring, as at Mount Morgan; as alluvial gold in drifts formed of almost all these materials; and once, perhaps the most curious matrix of all, a small piece of apparently alluvial gold, naturally imbedded in a shaly piece of coal.
Nataly shrank from the name of dolomite, detested the name, though the scenes regained their beauty or something of it beneath her showery vision.
This arrangement may have been due to the altered direction of the tides and currents in the same place. Section from Monte Calvo to the sea by the valley of the Magnan, near Nice. A. Dolomite and sandstone. Beds of gravel and sand. c. Fine marl and sand of Ste.
It is insoluble in acids, and does not effervesce like chalk and dolomite, because it does not contain carbonic acid gas, or fixed air, the lime being already combined with sulphuric acid, for which it has a stronger affinity than for any other. Anhydrous gypsum is a rare variety, into which water does not enter as a component part. GYPSEOUS MARL is a mixture of gypsum and marl.
He looked across the deep valley of the Adige, nearly four thousand feet below him, to the giant range of the Dolomite Alps on the eastern side. The shadow of the forest-clad mountain on which he stood spread downwards over the plain, and crept up the mountains on the farther edge.
M. Boussingault, in a memoir which he has recently addressed to me, calls the rock of the Morros a problematic calcariferous gneiss. This expression seems to prove that the plates of mica take in some parts a uniform direction, as in the greenish dolomite of Val Toccia. This cement, where it abounds, has a conchoidal fracture and passes to jasper.
Geologists have long acknowledged the difficulty of accounting for the amount of carbonic acid that must have been in our atmosphere at one time or another in order to form with lime those enormous beds of dolomite and limestone of which the crust of our earth is in great measure composed.
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