black shale
black shale A mudstone with high concentrations of organic material, which is deposited in euxinic environments. Such sediments form important hydrocarbon source rocks.
More From encyclopedia.com
Jack Black , Black, Jack
Actor, singer, musician
Jack Black is a one-man dynamo—a manic, scruffy ball of energy who has quietly been shaking up the entertainment… Black-and-tan Coonhound , black-and-tan coonhound, breed of large hound developed in the United States. It stands from 23 to 27 in. (58–69 cm) high at the shoulder and weighs… Black Power Movement , The Black Power movement grew out of the civil rights movement that had steadily gained momentum through the 1950s and 1960s. Although not a formal m… chromite , chromite Member of the chromite group of minerals in the spinel group, Fe2+Cr2O4, along with magnesiochromite (MgCr2O4); sp. gr. 5.1; black; sub-meta… Black Aesthetic Movement , Hailed by its practitioners, pundits, and critics as the cultural "aesthetic and spiritual sister of the Black Power concept" (Neal 1989, p. 62), the… Biotite , biotite
biotite An important rock-forming silicate mineral; a member of the mica group K2(Mg,Fe)6[Si3AlO10]2(OH,F)4, in which the Mg/Fe ratio is less…
You Might Also Like
NEARBY TERMS
black shale