from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Resembling, or pertaining to, the genus Madrepora.
from The Century Dictionary and Cyclopedia
- Of or pertaining to madrepore; of the character of the madrepore; pierced with minute holes like a madrepore. Also madreporite.
Sorry, no etymologies found.
Tonga Tabou is of madreporic formation, with a thick covering of vegetable soil, favourable to an abundant growth of shrubs and trees.
The islands are for the most part high, terminating in volcanic peaks; but some are of opinion, judging from the arrangement of the lagoon, that they are of madreporic formation.
The usual measures in such a case were taken immediately, but outside the chain of madreporic rocks no depth could be sounded.
This feature alone was indicative of the madreporic formation of the soil, simple deposit, which was not yet, but which in time would become, an island.
On a layer of sand and land shells, five to six inches thick, covered by a fragmentary madreporic rock, rises
On a layer of sand and land shells, five to six inches thick, covered by a fragmentary madreporic rock, rises a forest of mangroves (Rhizophora).
In general, that which rises above the waters is only breccia, or aggregate of madreporic fragments cemented by carbonate of lime, broken shells, and sand.
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