Geological observations on coral reefs, volcanic islands, and on South America: being the geology of the voyage of the Beagle ... during ... 1832 to 1836Smith, Elder & Company, 1851 - 668 pages |
Autres éditions - Tout afficher
Geological Observations on Coral Reefs, Volcanic Islands, and on South ... Charles Darwin Affichage du livre entier - 1851 |
Geological observations on coral reefs, volcanic islands, and on South ... Charles Darwin Affichage du livre entier - 1851 |
Geological Observations on Coral Reefs, Volcanic Islands, and on South ... Charles Darwin Affichage du livre entier - 1851 |
Expressions et termes fréquents
annular reef appears areas atlas atoll-formed augite barrier-reefs basaltic beds Beechey bottom breaches breakers calcareous Capt Chagos Bank channel chart coast coloured red compact composed consists coral coral formation coral-reefs coral-rock crater crystals deep water deposited depth described dikes distance earthy elevation erupted fathoms feet feldspar feldspathic formed fragments fringed by reefs fringing-reefs growth of coral height hills hornblende Horsburgh irregular Isld islets Keeling atoll lagoon lagoon-channel laminated land lava layers Lieut living coral Low Archipelago madreporitic Maldiva atolls margin masses Mauritius Moresby mountains nearly northern numerous observed obsidian ocean olivine origin outer Pacific Peros Banhos phonolite polypifers portions probably Quail Island Red Sea reefs remarkable resemble rise rock round sand scoriæ sediment shells shoals shore side slope southern space species specimens sphærulites strata streams structure submarine submerged subsidence surface surrounded Tahiti thickness trachyte tuff uncoloured upraised volcanic Voyage width