spiculite

spiculite

[′spik·yə‚līt]
(petrology)
A spindle-shaped belonite thought to have formed by the coalescence of globulites.
References in periodicals archive ?
Soft coral spiculite (the massive skeletons formed by sclerites cemented in aragonite) appears in fossil Quaternary coral reefs at various locations in the Indo-Pacific (Johnson and Risk, 1987; Accordi et al.
The main target consisting of Upper Permian spiculites and carbonates was encountered and cored, but the reservoir quality was poorer than expected.
The rocks with the highest resistivities are the Cretaceous sandstones and spiculites and on some places also the Permian conglomerates and volcanic rocks.