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Updated: June 17, 2025
If, on the other hand, it is to be used as a mineralogical term, I do not see how the modern and the ancient chalks are to be separated and, looking at the matter geographically, I see no reason to doubt that a boring rod driven from the surface of the mud which forms the floor of the mid-Atlantic would pass through one continuous mass of Globigerina mud, first of modern, then of tertiary, and then of mesozoic date; the "chalks" of different depths and ages being distinguished merely by the different forms of other organisms associated with the Globigerinoe.
But, even were we to suppose all those difficulties to be over come, there is still an impossibility in the way of that inconsiderate theory, and this will appear more fully in the following chapter. SECT. III. The Mineralogical Operations of the Earth illustrated from the Theory of Fossil Coal.
We now possess through his means a general knowledge of the interior of our Island together with a specific account of its soil its geological and mineralogical aspect its varied natural productions of trees, shrubs, plants, flowers, &c., all named and methodically described the kind of animals met with, and a variety of other useful information.
As it is ascertained that mines of gold, silver, copper, and quicksilver exist in New Mexico and California, and that nearly all the lands where they are found belong to the United States, it is deemed important to the public interest that provision be made for a geological and mineralogical examination of these regions.
The study of volcanoes may be divided into two distinct branches; one, simply mineralogical, is directed to the examination of the stony strata, altered or produced by the action of fire; from the formation of the trachytes or trap-porphyries, of basalts, phonolites, and dolerites, to the most recent lavas: the other branch, less accessible and more neglected, comprehends the physical relations which link volcanoes together, the influence of one volcanic system on another, the connection existing between the action of burning mountains and the commotions which agitate the earth at great distances, and during long intervals, in the same direction.
Or, if he felt the need of something really "wild" in the way of diversion, the lucky plebe was permitted to go over to the Academic Building and examine the mineralogical or geological collection!
There is a special "botanical garden," which is much frequented by students. On another avenue there are plantations of forest shrubs, and near them a cafe to accommodate visitors. Then stretching still further on, are new geological, mineralogical, and botanical galleries, all warmed in winter and summer, if necessary, by hot water, and capable of receiving the tallest tropical plants.
Apparently a vein of it would not be noticed at all from the surrounding rock of gravelly earth, but there it is, and in a vein of chlorite. This is so throughout the long and more or less complete stated lists of mineralogical localities.
Heavy curtains separated that portion of the room in which the laboratory work was to be done from that to be used as a study, and to the latter there had been added a rug or two, a bookcase in which Darrell could arrange his small library of scientific works, a cabinet of mineralogical specimens, and a pair of paintings intended to conceal some of Time's ravages on the once finely decorated walls, while palms and blooming plants transformed the large plate-glass windows into bowers of fragrance and beauty, at the same time forming a screen from the too inquisitive eyes of passers-by.
Journal d'un Voyage dans les Cercles du Rhin. Par Collini. Paris, 1777. 8vo. Chiefly mineralogical. 329. Voyage sur le Rhin, depuis Mayence jusqu'
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