Personal narrative of travels to the equinoctial regions of America, during the years 1799-1804, by A. von Humboldt and A. Bonpland, Volum 2 |
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Side 79
... phonolites . The grünstein , which farther north was less granulous , and passed into serpentine , here assumes a very ... phonolite , a mass of compact feldspar of a greenish grey , or mountain . 80 GEOLOGICAL ARRANGEMENT . green ...
... phonolites . The grünstein , which farther north was less granulous , and passed into serpentine , here assumes a very ... phonolite , a mass of compact feldspar of a greenish grey , or mountain . 80 GEOLOGICAL ARRANGEMENT . green ...
Side 80
... phonolite of Parapara from that of Bilin , in Bohemia . It does not , however , here form rocks in grotesque shapes , but little hills covered with tabular blocks , large plates extremely sonorous , translucid on the edges , and ...
... phonolite of Parapara from that of Bilin , in Bohemia . It does not , however , here form rocks in grotesque shapes , but little hills covered with tabular blocks , large plates extremely sonorous , translucid on the edges , and ...
Side 82
... phonolite ( or leucostine compacte of Cordier ) is pretty generally regarded by all who have at once examined burn- ing and extinguished volcanos , as a flow of lithoid lava . I found no real basalt or dolerite ; but the presence of ...
... phonolite ( or leucostine compacte of Cordier ) is pretty generally regarded by all who have at once examined burn- ing and extinguished volcanos , as a flow of lithoid lava . I found no real basalt or dolerite ; but the presence of ...
Side 83
... phonolite and other rocks of igneous origin at Parapara are so much the more interesting , as they indicate ancient eruptions in a granite zone ; as they belong to the shore of the basin of the steppes , as the basalts of Hartsh belong ...
... phonolite and other rocks of igneous origin at Parapara are so much the more interesting , as they indicate ancient eruptions in a granite zone ; as they belong to the shore of the basin of the steppes , as the basalts of Hartsh belong ...
Side 397
... phonolite ( klingstein ) . I have * Punamustein ( jade axinien ) . The stone hatchets found in America , for instance in Mexico , are not of beilstein , but of compact feldspar . + Jade of Saussure , according to the system of ...
... phonolite ( klingstein ) . I have * Punamustein ( jade axinien ) . The stone hatchets found in America , for instance in Mexico , are not of beilstein , but of compact feldspar . + Jade of Saussure , according to the system of ...
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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