biomicrite

biomicrite

[‚bī·ə′mī‚krīt]
(petrology)
A limestone resembling biosparite except that the microcrystalline calcite matrix exceeds calcite cement.
References in periodicals archive ?
The fossil specimens were collected from a glauconitic biomicrite bed exposed in the North Sulphur River channel in Fannin County.
3 meter thick bed of glauconitic biomicrite is very fossiliferous and contains both reddish, ironstone casts and black, phosphatic casts and molds.
The Roxton Limestone is unusual among carbonates, being a fragmental glauconitic biomicrite with large fragments (indicative of a high energy environment) within a micritic matrix (typical of a low energy situation).