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Updated: May 12, 2025
I find that I can travel faster than the stream; so I hasten to camp and tell the men there is a river coming down the canyon. We carry our camp equipage hastily from the bank to where we think it will be above the water. Then we stand by and see the river roll on to join the Colorado. Great quantities of gypsum are found at the bottom of the gorge; so we name it Gypsum Canyon. July 27.
THE APPALACHIAN REGION. Where the Silurian system is most fully developed, from New York southward along the Appalachian Mountains, it comprises four series: 4 Salina . . . shales, impure limestones, gypsum, salt 3 Niagara . . . chiefly limestones 2 Clinton . . . sandstones, shales, with some limestones 1 Medina . . . conglomerates, sandstones
As to the interior of the house, it forcibly reminded me of an immense gypsum quarry, with rudely excavated galleries, forming such a jumble and confusion of lines, that it was in vain you looked for an architectural beauty. Indeed, I venture to assert, that such a huge conglomerate of plaster and cheap gilt never before decorated one edifice, and that dedicated to high art.
He now dropped his arms wearily, for as soon as he ceased to create with his whole heart and mind he felt tired, and saw plainly that without a model he could do nothing satisfactory with the drapery of his Urania. So he pulled his stool up to a great chest full of gypsum to get a little repose by leaning against it.
Permanent hardness in water, due to the presence of gypsum or sulphate of lime in solution, may be remedied by addition of caustic soda. Of course, if an alkaline water is objectionable in any process, the alkali would have to be neutralised by the addition of some acid. For use in boilers, water might thus be treated, but it would become costly if large quantities required such treatment.
Papias will make us one of straw, rags and gypsum I know his magic hand and in order that the others may not be too unlike their new-born sister they shall be whitewashed." "Capital but why choose Papias when we have Harmodius?" "Harmodius takes art in earnest, and we should have the Emperor here before he had completed his sketches.
Lungren and Burbank and Curtis and other artists, who have passed this way, suggested the idea. Someone sent Father Berrard folios of blank drawing boards. Sepia made of coal dust and white chalk made of gypsum suffice for pigments. With these he has had the Indian medicine men make a series of drawings that excels anything in the Smithsonian Institute of Washington or the Field Museum of Chicago.
By the way, it is a lucky thing for us that these various soluble minerals are of such constitution as to be thrown down separately at different stages of concentration in the evaporating liquid; for, if it were otherwise, they would all get deposited together, and we should find on all old salt lake beds only a mixed layer of gypsum, salt, and other chlorides and sulphates, absolutely useless for any practical human purpose.
It probably facilitated the rupture of the earth and the formation of the gulf of Cariaco. This clay is of a smoky colour, impregnated with petroleum, mingled with lamellar and lenticular gypsum and sometimes traversed by small veins of fibrous gypsum. It incloses angular and less friable masses of dark brown clay with a slaty and sometimes conchoidal fracture.
Cuvier soon showed that neither giants nor angels were in question, but elephants of an unrecognized species. Continuing his studies, particularly with material gathered from gypsum beds near Paris, he had accumulated, by the beginning of the nineteenth century, bones of about twenty-five species of animals that he believed to be different from any now living on the globe.
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