Translation for 'reefal' from English to Russian

reefal

рифовый {adj}геол.

• Geology of the island varies, with reefal limestones in the extreme northwest, followed by sedimentary sandstones, extrusive volcaniclastic rocks and intrusive rocks further east.
• At the Clessinsperre, the type locality for the underlying Steinalm Formation, intense dolomitization has altered the microfacies characteristics of the Wetterstein Carbonate platform – typical are fore-reef carbonates, later reefal and back-reefal carbonates topped by lagoonal carbonates, making the original features hardly visible.
• The reefal limestone preserves bivalve, gastropod and coral fossils dating back to the Messinian to Zanclean period.
• The formation, part of the Bocas del Toro Group, comprises limestones and sandstones deposited in a reefal environment.
• The shallow reefal biomicrite and mud-supported oolitic and pelletoidal biosparite limestones preserve fossils dating back to the Paleogene period.

• and comprises an uncommonly unaltered and well-exposed set of Early to Mid Permian shallow marine and reefal limestones in the tectonically complex present-day Pacific margin of western North America.
• The last part of the reefal evolution is the development of patch reefs constituted by colonial corals (Scleractinia).
• The common rudist-bearing reefal facies can completely change in the western depositional area, taking on a very hard, finely recrystallised aspect without any fossil debris.
• These pronounced variations in thickness indicate a reefal origin of the marbles, most likely as bioherms.
• Givetian and Frasnian are developed as reefal limestones.

• Koko Seamount also has a lot of small reefal bodies on its slopes.
• Bansaan, a boomerang-shaped island, is composed of raised coral reefs and part of the bigger Calituban reefs, a group of scattered and low-lying reefal islands located off the northwestern coast of Bohol Island.
• Main gas productions zones are between Eocene- Oligocene deposits; Hamitabat (turbiditic sandstones), Ceylan (tuffs), Sogucak (reefal limestone), and Osmancik (deltaic sandstone) formations.