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Page 10
... side of the knife - blade or across our thumb - nail , and see if it scratches either of these , in which case it is harder than the substance scratched . the mineral is in the form of loose grains , like those broken from a sandstone ...
... side of the knife - blade or across our thumb - nail , and see if it scratches either of these , in which case it is harder than the substance scratched . the mineral is in the form of loose grains , like those broken from a sandstone ...
Page 12
... side by side ; each one may now be cut through in a different direction , so that in each case two halves result precisely similar to one another , being merely reversed in position with re- gard to the centre of the cube . The surface ...
... side by side ; each one may now be cut through in a different direction , so that in each case two halves result precisely similar to one another , being merely reversed in position with re- gard to the centre of the cube . The surface ...
Page 13
... sides facing in the same direction , they may be regarded as two crystals standing in similar positions . If we stick the two together , with the red side of one touching the plain side of the other , we have merely , as it were , made ...
... sides facing in the same direction , they may be regarded as two crystals standing in similar positions . If we stick the two together , with the red side of one touching the plain side of the other , we have merely , as it were , made ...
Page 23
... side by side . Then we can take a small quantity of this material - say , enough to cover a sixpence and dry it gently on a clean piece of brass or iron over a lamp or candle . The iron may be held with a pair of pliers during the ...
... side by side . Then we can take a small quantity of this material - say , enough to cover a sixpence and dry it gently on a clean piece of brass or iron over a lamp or candle . The iron may be held with a pair of pliers during the ...
Page 28
... floor ; and on either side of it a few cottages stand dotted about the lower slopes . Above them the steeper moorland rises , grey - green and purple , and crossed here and there by bands of stones , or 28 A MOUNTAIN-HOLLOW.
... floor ; and on either side of it a few cottages stand dotted about the lower slopes . Above them the steeper moorland rises , grey - green and purple , and crossed here and there by bands of stones , or 28 A MOUNTAIN-HOLLOW.
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Common terms and phrases
alluvial alluvium Alps andesite augite banks basalt become beds beneath blocks calcium carbonate Chalk character CHARLES GRIFFIN chemical clay cliffs coast colour cone Cretaceous Crown 8vo crust crystalline crystals denudation deposits dykes earth Engineer Eocene escarpment EXETER STREET feet felspars flint flow folded fossils Fully Illustrated Geol Geology glacier glass gneiss grains granite Handsome Cloth hills hollow Hornblende igneous iron Juras Jurassic lake Lake Bonneville land Large 8vo lava layers Leith Hill limestone LONDON lower marine mass material Mesozoic mica miles minerals Miocene mountain occur orthoclase oxide pebbles plain plane Plates Pliocene Practical produced Professor pyroxene quartz region Revised rhyolite ridge rise river rock round salts sand sandstone SECOND EDITION seen shells side silica slope specific gravity steep stones STRAND strata stream structure summit surface TEXT-BOOK unconformity upper valley volcanic Wealden wind
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