 | Alexander von Humboldt - 1811 - 522 էջ
...with concfcntrical beds of which the interior is lined vir.h mammelonneous hyalite (miiUerisch-ylass). The cinnabar and a little native mercury, are sometimes...rock at a very considerable distance from the vein. During my stay at Guanaxuato, ouly tvo mines were wrought in all Mexico, those of Lomo del Toro, near... | |
 | Alexander von Humboldt - 1814 - 524 էջ
...with concentrical beds of which the interior is lined with mammelonneous hyalite (miitlerisch-glass). The cinnabar and a little native mercury, are sometimes...rock at a very considerable distance from the vein. During my stay at Guanaxuato, ouly two mines were wrought in all Mexico, those of Lomo del Toro, near... | |
 | Robert Jameson - 1816 - 642 էջ
...which is disposed in globular and concentric lamellar concretions, of which the centre is occupied with hyalite. The cinnabar, and a little native mercury,...rock, at a very considerable distance from the vein. The cinnabar extracted from the veins of the mountain del Fraile, near the Villa de San Felipe, is... | |
 | Alexander von Humboldt - 1822 - 544 էջ
...with concentric layers, of which the interior is lined with mammillated hyalite (mullerisch-glass}. The cinnabar and a little native mercury, are sometimes...rock at a very considerable distance from the vein. During my stay at Guanaxuato, only two mines were wrought in all Mexico ; those of Lomo del Toro, near... | |
 | Nicholas Mill - 1824 - 330 էջ
...ore of cinnabar. From this mine there was drawn, eight years ago, in a very few months, nearly 7.00 quintals of mercury, which were not sufficient to...Dolores, a quarter of a league to the south-east of Gigante. Cinnabar is also to be found in the mines of .» Chilapan. In the first of the mines a load... | |
 | Nicholas Mill - 1824 - 430 էջ
...two or three, and even sometimes six metres in width. It traverses the mountains of los Cal~ zones, and extends to Chichindara. Its ores are extremely...Dolores, a quarter of a league to the south-east of Gigante. Cinnabar is also to be found in the mines of Chilapan. In the first of the mines a load of... | |
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Its ores are extremely rich, but by no means abundant ; the mine of Chica had only been wrought to the depth of 164 feet in 1803, and it is found (and this geological fact is remarkable) not in loadstone or slate, but in true pitchstone porphyry ; divided... 