biosparite

biosparite

[bī′äs·pə‚rīt]
(petrology)
A limestone made up of less than 25% oolites and less than 25% intraclasts, with the ratio by volume of fossils and fragments to pellets being more than 3:1 and the calcite cement content being greater than the microcrystalline calcite content.
Mentioned in ?
References in periodicals archive ?
Greyish white and light pink biocalcarenites with intercalated beds of a biosparite (0.
According to their report, lower Cambrian (Cambrian Series 2) strata that crop out around the Dahuoluo Well consist of greyish-white and white biosparites, occasionally with black chert interbeds.
Towards the north, the Uitpa Formation, an Oligocene to lower Miocene (Rollins, 1960) 150 m thick marine sequence of very fine grained sandstones locally fosilifeorus interlayered with biosparites, mudstones and siltstones, overlies partially the Siamana Formation in angular uncorfomity and partially lies non-conformable on top of the crystalline rocks of the Serrania de Jarara.