The Applications of Geology to the Arts and Manufactures. Being Six Lectures on Practical Geology, Delivered Before the Society of Arts, EtcRobert Hardwicke, 1865 - 300 Seiten |
Häufige Begriffe und Wortgruppen
absorbent acid acre alumina bands Basalt Bath stone become beds bituminous bituminous shales brick called carbonate of lime carbonic acid carboniferous cement cent chalk chiefly clay coal coal measures coal-field colour common contain copper Cornwall cracks crevices crops crystalline cubic cubic foot deposits depth district earth England exist extremely faults feet felspar fissures fuller's earth geology gold granite gravel hæmatite hydraulic lime impermeable important iron oxide ironstone kind known land large quantities less lignite limestone lode London magnesia marble mass material matter metals mineral manure mineral veins mines nature nearly obtained oolitic ordinary outcrop pits potash proportion pure purposes quantity of water quarries quartz red sandstone removed rich rock salt sand seams shaft shales silicate slates soda soil sometimes springs square miles stone strata substances sunk supply surface tertiary thickness tons valuable varieties various vegetable weather yards yield