Lectures on Geology: Being Outlines of the Science |
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Common terms and phrases
alternating amygdaloidal appearance argillite base beautiful become beds calcareous called cause chalk changes characters chlorite clay coal color common compact composed composition compound connected considered consisting containing covered crystals deposits distinct Division earth elevated existence extensive fact feet felspar fire formation fossils fracture fragments frequently Geology give gneiss grains granite granular green greenstone grey hornblende imbedded important ingredients iron laminar land less lignite lime limestone marble marine marl mass mentioned mica minerals minute mountains nature nearly never noticed observed occasionally occur ocean origin partial passes porphyry position preceding present primary produced quantity quartz rare remains rivers rocks sand sandstone schist schistose secondary shells similar simple slate sometimes South species stone strata structure substances supposed surface termed texture theory tion transition trap usually varies varieties various veins volcanic
Popular passages
Page 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.
Page 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.
Page 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...
Page 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.
Page 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.
Page 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.
Page 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.