Lectures on Geology: Being Outlines of the ScienceE. Bliss & E. White, 1825 - 358 páginas |
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Página 39
... feet . They supposed that his ideas formed at once a mature system , el- egant and perfect , they termed it geognosie , and inscribed on it the name of Werner . To this merit he was not entitled . He had a strong mind , which was ...
... feet . They supposed that his ideas formed at once a mature system , el- egant and perfect , they termed it geognosie , and inscribed on it the name of Werner . To this merit he was not entitled . He had a strong mind , which was ...
Página 66
... feet . Their texture is very seldom crystalline ; but more or less granular , being in a majority of cases , composed of the fragments of the older rocks , united by some cement . They contain or- ganic remains : Their elevation is not ...
... feet . Their texture is very seldom crystalline ; but more or less granular , being in a majority of cases , composed of the fragments of the older rocks , united by some cement . They contain or- ganic remains : Their elevation is not ...
Página 68
... feet through alluvial which originated in granite , and a thick bed of from 2 to 10 feet , found at the bottom , composed of round masses of tin , which produced £ 50,000 stg . During the reign of Queen Elizabeth the allu- vial near the ...
... feet through alluvial which originated in granite , and a thick bed of from 2 to 10 feet , found at the bottom , composed of round masses of tin , which produced £ 50,000 stg . During the reign of Queen Elizabeth the allu- vial near the ...
Página 88
... feet high . Low groups are from 700 to 3000 feet in height . Generally the length of a Mountain Group is in proportion to its height , and to the breadth of its base . If the breadth and length are nearly the same , it is called Massive ...
... feet high . Low groups are from 700 to 3000 feet in height . Generally the length of a Mountain Group is in proportion to its height , and to the breadth of its base . If the breadth and length are nearly the same , it is called Massive ...
Página 89
... feet diameter . In speaking of Mountains , I must be allowed to notice a Theory accounting for their origin which has lately been proposed by a Mons . Chabrier in a Dissertation , not long since published , on the 89.
... feet diameter . In speaking of Mountains , I must be allowed to notice a Theory accounting for their origin which has lately been proposed by a Mons . Chabrier in a Dissertation , not long since published , on the 89.
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Lectures on Geology: Being Outlines of the Science Jeremiah Van Rensselaer Sin vista previa disponible - 2016 |
Términos y frases comunes
Actynolite alluvial alternating ammonites amygdaloidal arenaceous argillaceous argillite augit basalt beautiful beds belemnites bitumen calcareous chalk chlorite chlorite schist clay slate coal coarse color columnar compact felspar composed compound conglomerates containing crater crystals deluge deposits distinct earth elevated epidote feet felspar Fibrous foliated formation fossils fracture fragments Geologists Geology gneiss grains granite granular green greenstone grey greywacke gypsum hornblende Humboldt indurated ingredients iron laminæ laminar lava lignite limestone marble marine marl mass mentioned mica mica slate micaceous schist mountains observed occasionally occur ocean oolite organic remains ostrea passes peat porphyry position primary rocks primitive prismatic pyrites quantity quartz quartz rock Quartz sand red sandstone sandstone Scaly schist schistose secondary rocks serpentine shale shells sienite siliceous simple sometimes spar species splintery stone strata structure substances surface SYNOPSIS talc tertiary texture theory tion transition trap usually vallies varies varieties vegitable veins volcanic
Pasajes populares
Página xii - And the earth brought forth grass, and herb yielding seed after his kind, and the tree yielding fruit, whose seed was in itself, after his kind: and God saw that it was good.
Página 78 - Nymphs lie With languid limbs in summer's sultry hours. Here too were living flowers Which, like a bud compacted, Their purple cups contracted, And now in open blossom spread, Stretch'd like green anthers many a seeking head.
Página 103 - Villages, and woods, and rocks, Fall flat before their sweep. The region round, Where myrtle walks and groves of golden fruit Rose fair ; where harvest...
Página 78 - And plants of fibres fine, as silkworm's thread; Yea, beautiful as Mermaid's golden hair Upon the waves dispread: Others that, like the broad banana growing, Rais'd their long wrinkled leaves of purple hue, Like streamers wide out-flowing.
Página 47 - When by thus comparing a number of cases, agreeing in some circumstances, but differing in others, and all attended •with the same result, a philosopher connects, as a general law of nature, the event with its physical cause, he is said to proceed according to the method of induction.
Página 78 - With languid limbs in summer's sultry hours. Here, too, were living flowers, Which, like a bud compacted, Their purple cups contracted ; And now in open blossom spread, Stretch'd, like green anthers, many a seeking head.
Página 45 - ... by the water, in consequence either of these lands sinking down below the level of the sea, or of the sea being raised above the level of the lands. The particular portions of the earth also which the sea has abandoned by its last retreat, had been laid dry once before, and had at that time produced quadrupeds, birds, plants, and all kinds of terrestrial productions; it had then been inundated by the sea, which has since retired from it and left it to be occupied by its own proper inhabitants.