Selections from the Works of the Baron de Humboldt: Relating to the Climate, Inhabitants, Productions, and Mines of MexicoLongman, Hurst, Rees, Orme, Brown, and Green, 1824 - 310 էջ |
From inside the book
Արդյունքներ 14–ի 1-ից 5-ը:
Էջ 130
... feldspar , in granite ; of mica , quartz , and garnets , in mica- slate ; and of feldspar and hornblende , in syenite . If it has sometimes been considered , that a rock belongs exclusively to a single portion of the globe , subsequent ...
... feldspar , in granite ; of mica , quartz , and garnets , in mica- slate ; and of feldspar and hornblende , in syenite . If it has sometimes been considered , that a rock belongs exclusively to a single portion of the globe , subsequent ...
Էջ 134
... feldspar , not passing to greenstone , and altogether similar to the hornblende - slate ( hornblend - schiefer ) which forms beds in primitive gneiss and mica - slate ; green serpentine of uneven fracture and fine grain , dull , but ...
... feldspar , not passing to greenstone , and altogether similar to the hornblende - slate ( hornblend - schiefer ) which forms beds in primitive gneiss and mica - slate ; green serpentine of uneven fracture and fine grain , dull , but ...
Էջ 135
... feldspar . This syenite splits into very thin layers ; the quartz and feldspar are so irregularly spread , that they sometimes form small veins in a paste of hornblende . The syenite is the largest of these eight interposed beds , of ...
... feldspar . This syenite splits into very thin layers ; the quartz and feldspar are so irregularly spread , that they sometimes form small veins in a paste of hornblende . The syenite is the largest of these eight interposed beds , of ...
Էջ 141
... feldspar ( rather lamellar than glassy ) , pyroxene of nearly a leek - green , and a little uncrystallized quartz . This stratified porphyry is covered , towards the south , with the same conglomerate limestone that abounds on the table ...
... feldspar ( rather lamellar than glassy ) , pyroxene of nearly a leek - green , and a little uncrystallized quartz . This stratified porphyry is covered , towards the south , with the same conglomerate limestone that abounds on the table ...
Էջ 143
... feldspar , di- vided into very thin strata like that of Achichintla , and almost destitute of disseminated crystals . This rock resembles phonolitic porphyry ( porphyr - schie- fer ) of the trachyte formation . In advancing to- wards ...
... feldspar , di- vided into very thin strata like that of Achichintla , and almost destitute of disseminated crystals . This rock resembles phonolitic porphyry ( porphyr - schie- fer ) of the trachyte formation . In advancing to- wards ...
Այլ խմբագրություններ - View all
Selections from the Works of the Baron de Humboldt: Relating to the Climate ... Alexander von Humboldt Ամբողջությամբ դիտվող - 1824 |
Selections from the Works of the Baron de Humboldt: Relating to the Climate ... Alexander von Humboldt Ամբողջությամբ դիտվող - 1824 |
Common terms and phrases
abundance Acapulco amalgamation America annually appears beds Biscaina Bolaños capital Catorce central table-land Cerro climate coast commerce contains copper Cordilleras Cruz cultivation district of mines Durango elevated Europe European expense extent extracted fathoms feet feldspar formation geological GEOLOGY OF MINING gold and silver Guadalaxara Guanaxuato Indians inhabitants intendancy of San interior iron kingdom labour limestone manufacture mass mercury Mexican Mexican mines Mineria miners mines of Mexico MINING DISTRICTS Moran mountains mules muriate of silver native silver ounces of silver Pachuca Peru plains population porphyry port powder produce proprietors province provincias Puebla quantity of silver Rayas Real de Catorce Real del Monte red sandstone regions rich rock San Luis Potosi Santa shafts smelting Sombrerete Spain Spanish square miles sterling sulphuret syenite Tasco tenateros Tenochtitlan tion town transition clay-slate troy of silver Valenciana Valladolid valley vein of Guanaxuato Vera Cruz veta vomito wealth Xalapa Zacatecas
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Էջ 32 - Rome, surpasses in beauty and purity of style everything which remains in this way in Europe. Instruction is communicated gratis at the Academy of Fine Arts. It is not confined alone to the drawing of landscapes and figures; they have had the good sense to employ other means for exciting the national industry. The academy labours successfully to introduce among the artisans a taste for elegance and beautiful forms.
Էջ 199 - No where does the lower people enjoy in greater security the fruit of their labours than in the mines of Mexico; no law forces the Indian to choose this species of labour, or to prefer one mine to another ; and when he is displeased wich the proprietor of the mine, he may offer his services to another master who may pay perhaps more regularly.
Էջ 292 - They were bounded by basaltic mountains, of which the structure seems to indicate, that all this country at a very remote period had been already several times convulsed by volcanoes. These fields, watered by artificial means, belonged to the plantation (hacienda) of San Pedro de Jorullo, one of the greatest and richest of the country. In the month of June, 1759, a subterraneous noise was heard.
Էջ 294 - Queretaro were then covered with ashes at a distance of more than 144 miles in a straight line from the scene of the explosion. Although the subterraneous fire now appears far from violent, and the Malpays and the great volcano begin to be covered with vegetables, we...
Էջ 32 - Argand's lamps, contain every evening some hundreds of young people, of whom some draw from relievo or living models, while others copy drawings of furniture, chandeliers, or other ornaments in bronze. In this assemblage (and this is very remarkable in the midst of a country where the prejudices of the nobility against the...
Էջ 97 - Xalapa, announce by the freshness of their verdure that this is the elevation at which the clouds, suspended over the ocean, come in contact with the basaltic summits of the Cordillera. A little higher, near la Banderilla, the nutritive fruit of the banana tree comes no longer to maturity.
Էջ 56 - ... the purchasers, indemnifies the cultivator for the privations to which he is exposed from the hard life of the mountains. Thus from the hope of gain alone, and the motives of mutual interest, which are the most powerful bonds of society, and without any interference on the part of the government in...
Էջ 97 - ... spurs on the Indian to labour, and excites his industry. At the height of San Miguel, pines begin to mingle with the oaks which are found by the traveller as high as the elevated plains of Perote, where he beholds the delightful aspect of fields sown with wheat.
Էջ 96 - Cruz to the table-land of Perote. We see there the physiognomy of the country, the aspect of the sky, the form of plants, the figures of animals, the manners of the inhabitants, and the kind of cultivation followed by them, assume a different appearance at every step of our progress.
Էջ 55 - Mexico, we every where see the most striking example of the beneficial influence of the mines on agriculture. Were it not for the establishments formed for the working of the mines, how many places would have remained desert? how many districts uncultivated in the four intendancies of...