Personal narrative of travels to the equinoctial regions of America, during the years 1799-1804, by A. von Humboldt and A. Bonpland, Volume 2 |
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Page 40
... hornblende , black schorl , nor rutile titanite , in this granite . In some ledges we recognised round masses , of a blackish gray , very quartzose , and almost destitute of mica . They are from one to two inches diameter ; and are ...
... hornblende , black schorl , nor rutile titanite , in this granite . In some ledges we recognised round masses , of a blackish gray , very quartzose , and almost destitute of mica . They are from one to two inches diameter ; and are ...
Page 76
... hornblende , or diallage . Advancing farther to the south ( and we always passed over this ground in that direction ) the green of the serpentine grows deeper , and feldspar and hornblende are recognised in it : it is difficult to ...
... hornblende , or diallage . Advancing farther to the south ( and we always passed over this ground in that direction ) the green of the serpentine grows deeper , and feldspar and hornblende are recognised in it : it is difficult to ...
Page 77
... hornblende . † Another white lime . stone , compact , and containing some fragments of shelis , backs the Morros de San Juan . I could not see the line of junction of these two limestones , or that of the calcareous formation and the ...
... hornblende . † Another white lime . stone , compact , and containing some fragments of shelis , backs the Morros de San Juan . I could not see the line of junction of these two limestones , or that of the calcareous formation and the ...
Page 78
... hornblende , destitute of mica and grains of quartz , dipping , like the grünsteins , 45 ° toward the north , and directed , like them , 75 ° north - west . A great sterility prevails where these green slates predo- minate , no doubt on ...
... hornblende , destitute of mica and grains of quartz , dipping , like the grünsteins , 45 ° toward the north , and directed , like them , 75 ° north - west . A great sterility prevails where these green slates predo- minate , no doubt on ...
Page 79
... hornblende . Farther south , towards Parapara and Ortiz , the slates dis- appear . They are concealed under a trap - formation more varied in its aspect . The soil becomes more fertile ; the rocky masses alternate with strata of clay ...
... hornblende . Farther south , towards Parapara and Ortiz , the slates dis- appear . They are concealed under a trap - formation more varied in its aspect . The soil becomes more fertile ; the rocky masses alternate with strata of clay ...
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Common terms and phrases
Amazon America ancient Angostura animals appear Apure Aragua Atabapo Atures banks boat Bonpland Cabruta cacao Calabozo called Caño canoe Caracas Caribs Carichana cassava Cassiquiare cataracts coast colour contain Cordillera covered crocodiles cultivated curare earth east eggs electric Encaramada Esmeralda Europe Father feet fish forests fruit Gili gneiss granite Grenada grünstein Guaviare Guiana gymnotus hornblende humidity hundred Indians inhabitants insects island jaguar Javita Jesuits juice lake latitude leagues Llanos Lower Orinoco Mariara Maypures Meta mission missionary monkeys monks mosquitos mountains mouth nations natives night Nueva Valencia observed Omaguas Orinoco Ottomacs palm-trees passed plains plants Porto Cabello Raudal resembles Rio Negro rise river rocks San Fernando savannahs shore soil Spanish species spot steppes strata Tamanacs temperature toises torrid zone trees tribes tributary streams Upper Orinoco Uruana Valencia valleys of Aragua vegetation Ventuari village zancudos