 | Sir Charles Lyell - Geology - 1833 - 570 pages
...GREENSAND. Beds of sand, sandstone, limestone, belonging to the Cretaceous Period. See Table II. F, p. 390. The name is given to these beds, because they often,...through the substance of the sandstone, limestone, &c. See vol. iiL p. 324. GREENSTONE, a variety of trap, composed of hornblende and felspar. GRIT, a provincial... | |
 | Sir Charles Lyell - Geology - 1837 - 568 pages
...Cretaceous Period. See Table I., F, Vol. II. p. 454. The name is given to these beds because they oflen, but not always, contain an abundance of green earth...through the substance of the sandstone, limestone, &c. See Vol. II. p. 434. GREENSTONE. A variety of trap, composed of hornblende and felspar. GREYWACKE.... | |
 | Sir Charles Lyell - Geology - 1840 - 500 pages
...carriage-way of the London streets, afford good examples of the most common varieties of granite. GREENSAND. Beds of sand, sandstone, limestone, belonging to the...variety of trap, composed of hornblende and felspar. GREYWACKK. Grauwacke, a German name, generally adopted by geologists for some of the most ancient fossiliferous... | |
 | John Lee Comstock - Geology - 1847 - 434 pages
...a gray color ; hence the name, grau, being German for gray, and wacke being a provincial miner•s term. GREENLAND. Beds of sand, sandstone, limestone,...limestone, &c. GREENSTONE. A variety of trap, composed of hornblend and feldspar. GRIT. A provincial name for a coarse-grained sand-stone. GYPSUM. A mineral,... | |
 | Sir Charles Lyell - Geology - 1847 - 866 pages
...carriage-way of the London streets, afford good examples of the most common varicties of granite. GREENSAND. Beds of sand, sandstone, limestone, belonging to the...substance of the sandstone, limestone, &c. GREENSTONE. A varicty of trap, composed of hornblende and felspar. GREYWACEE. Grauwacke, a German name, generally... | |
 | Sir Charles Lyell - Geology - 1854 - 870 pages
...common varietics of granite. GEEENSAND. Beds of sand, sandstone, limestone, belonging to the Cretaccous Period. The name is given to these beds because they...substance of the sandstone, limestone, &c. GREENSTONE. A varicty of trap, composed of hornblende and felspar. GRETWAcKfc. Grauwackt, a German name, generally... | |
 | Missouri. State geologist, George Clinton Swallow - Geology - 1855 - 496 pages
...grefln crops, as clover, are plowed in for improving the soil, they are called green manure. Greensand. Beds of sand, sandstone, limestone, belonging to the...chlorite scattered through the substance of the sandstone and limestone. Grit. A provincial name for a coarse-grained sandstone. Gypsum. A mineral composed of... | |
 | Sir Charles Lyell - Geology - 1865 - 880 pages
...Beds of sand, sandstone, limestone, belonging to the (frctaceous Period. The name is given to those beds because they often, but not always, contain an...earth or chlorite scattered through the substance o( the sandstone, limestone, <fcc. GREENSTONE. A variety of trap, composed of hornblende and felspar.... | |
 | Sir Charles Lyell - Geology - 1868 - 876 pages
...carriage-way of the London streets, afford good examples of the moat common varieties of granite. GBEENSAND. Beds of sand, sandstone, limestone, belonging to the...abundance of green earth or chlorite scattered through the subatuxx o( tho sandstone, limestone, &c. GREENSTONE. A variety of trap, composed of hornblende and... | |
 | Archibald Tucker Ritchie - 1874 - 690 pages
...the cretaceous period; abundance of green or chlorite earth scattered among them, hence their name. Greenstone.— A variety of trap, composed of hornblende and felspar. Grit. -A provincialism for a coarse-grained sandstone. Gypsum. — A mineral compound of lime and sulphuric... | |
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Beds of sand, sandstone, limestone, belonging to the Cretaceous period. The name is given to these beds because they often, but not always, contain an abundance of green earth or chlorite scattered through the substance of the sandstone, limestone, &c.... 
