These different colours are to be found in the calcareous plain, and are no doubt the work of centuries.
"Celebrated Travels and Travellers" by Jules Verne
Lime lime Selenite, gypsum, calcareous vitriol.
"Elements of Chemistry," by Antoine Lavoisier
On a given parallel of latitude, a man may happen to plant a tree upon a fine calcareous soil, and it does well.
"Soil Culture" by J. H. Walden
The outer layer sterile, often calcareous, forming a fragile crust, more or less defined.
"The North American Slime-Moulds" by Thomas H. (Thomas Huston) MacBride
It would appear as if the great variability of the valves was connected with the absence of calcareous matter.
"A Monograph on the Sub-class Cirripedia (Volume 1 of 2)" by Charles Darwin
The valley cirque is characteristic of calcareous districts.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 4" by Various
Except on certain rich calcareous clay soils, it has now, however, become an exceedingly precarious crop.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 5" by Various
They are mostly siliceous, but sometimes calcareous, and may differ very little in general appearance from the bulk of the sandstone.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 7" by Various
Suited to a dry, calcareous soil.
"Notes on Agriculture in Cyprus and Its Products" by William Bevan
It renders the oxide of iron soluble in water, and contributes, as was before stated, to the solution of calcareous matter.
"Principles of Geology" by Charles Lyell
These enormous calcareous masses, which we observed on our way to Bagoung, could not fail to fix our attention.
"Travels in Tartary, Thibet, and China During the years 1844-5-6. Volume 2 [of 2]" by Evariste Regis Huc
But this proper calcified wall is quite distinct from calcareous tubes surrounding the siphuncle, which are developed from the septa.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6" by Various
In Devonshire the Lower Chalk has become thin sandy calcareous series.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7" by Various
The shale is covered by a bed of stone, chiefly composed of oval distinct concretions of a poor calcareous clay-iron stone.
"Narrative of a Second Expedition to the Shores of the Polar Sea" by John Franklin
Mineral springs of a ferruginous and calcareous nature, abound in the town and neighbourhood.
"Memoranda on Tours, Touraine and Central France." by J. H. Holdsworth
Dorsal valve, showing calcareous spiral coils.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 3" by Various
The addition of marl to soils that are not naturally calcareous very much improves them.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3" by Various
Many limestones are made up entirely of minute fragments of shells and coral, or of calcareous sand cemented together.
"A Manual of Elementary Geology" by Charles Lyell
Calker, or Calcar, as it is written by others, an excellent portrait painter, of Flemish extraction.
"The History of Painting in Italy, Vol. 3 (of 6)" by Luigi Antonio Lanzi
This is frequently the case in calcareous strata.
"Geology" by James Geikie