ooidal

See also: oöidal

English

Alternative forms

• oöidal (rare)

Etymology

From ooid +‎ -al.

Adjective

ooidal (not comparable)

1. Egg-shaped.
2. (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.

   • 2004, East Midlands Geological Society, The Mercian Geologist, volume 16, page 214:

     The two formations show similar types of ooidal ironstone as well as other quite different lithologies.

   • 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):