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Updated: June 17, 2025
For older children's studies, the three cadets and Jeff had divided their work into four classifications. Roger covered electronics, astrophysics, astrogation, and allied fields. Astro took charge of rockets, missiles, power machinery, and applied uses of atomic energy. Jeff's work was biological, bacteriological, mineralogical, and geological.
The earth is a globular body, and what more she may be, one can find in mineralogical cabinets. Where there is no vision the people perish. Few professorial philosophers have any vision. Fechner had vision, and that is why one can read him over and over again, and each time bring away a fresh sense of reality. His earliest book was a vision of what the inner life of plants may be like.
Our mineralogical museums are filled with beautiful specimens of crystals of quartz, fluor spar, and various ores deposited one on the other; and the student who confines his attention to these is naturally led to believe that he sees before him the process by which mineral veins have been filled.
Every description of tool or instrument used in mining will here be found, and perhaps the extensive mineralogical collection is unrivalled anywhere in Europe, and arranged in the most scientific manner by M. Haüy, with a ticket attached to each explanatory of their quality and locality. The geological specimens have been collected by Messrs.
Hence, from the southern part of Tres Montes to the northern end of Chiloe, a distance of 300 miles, we have closely allied rocks with their folia striking on an average in the same direction, namely between N. 11 degrees and 22 degrees W. Again, at Valdivia, we meet with the same mica-schist, exhibiting nearly the same mineralogical passages as in the Chonos Archipelago, often, however, becoming more ferruginous, and containing so much feldspar as to pass into gneiss.
I saw only one fragment of selenite or transparent gypsum, and that perhaps may have come from some subsequently formed vein. From the mineralogical characters here given, it is probable that these gypseous beds have undergone some metamorphic action.
It is essential to mineralogical geography to designate by one name all the mountains that form one system. To attain this end, a denomination belonging to a partial group only may be extended over the whole chain; or a name may be employed which, by reason of its novelty, is not likely to give rise to homogenic mistakes.
Freud employs a wonderful figure of a mystical sphere, with its layers and cross veins and other mineralogical characteristics, to represent the part of consciousness with the repressed factor at the center well guarded. It would be far more to the point if he should represent the whole of past experience as the surface of a country, with its various roads connecting the different centers.
His expedition, however, was not altogether fruitless: besides his mineralogical observations, he discovered an extraordinary cave, running at an acute angle several hundred feet deep into the mountain, where he found a sheet of water, which stretched as far as the light of the torches permitted the light to reach through the fearful darkness.
In short, England, as a community, did little or nothing by education for those who had no means, and but little to draw any one toward science. It was at this precise moment that Germany was cast into the furnace of modern competition with England, who had, because of a series of causes, chiefly geographical, topographical, and mineralogical, about a century the start of her.
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