ooidal

== English == === Alternative forms === oöidal (rare) === Etymology === From ooid +‎ -al. === Adjective === ooidal (not comparable) Egg-shaped. (geology) Oolitic. 1975, Augustus K. Armstrong, Carboniferous Corals of Alaska, A Preliminary Report, Paleozoic Corals of Alaska, Geological Survey Professional Paper, Volume 823, Parts 1-4, page 49, The lithostrotionoid corals are common in bryozoan-echinoderm and ooidal packstones adjacent to ooidal and well-sorted crinoid grainstones. 2009, Oscar Merino-Tomé, Juan R. Bahamonde, Luis P. Fernández, Juan R. Colmenero, Facies architecture and cyclicity of an Upper Carboniferous carbonate ramp developed in a Variscan piggy-back basin (Cantabrian Mountains, northwest Spain), Gary Nichols, Edward Williams, Chris Paola (editors), Sedimentary Processes, Environments and Basins: A Tribute to Peter Friend, International Association of Sedimentologists, Special Publication 38, page 203, Inner-ramp deposits correspond to skeletal and ooidal shoals, beaches and tidal channels (see Burchette & Wright, 1992). ==== Synonyms ==== (egg-shaped): ooid, ovoid (oolitic):