organic rock

organic rock

[ȯr′gan·ik ′räk]
(petrology)
A sedimentary rock composed principally of the remains of plants and animals.
References in periodicals archive ?
The first step to growing and sustaining an organic rock scene, he said, is by financing the performers.
The possibility of isomorphous entry of rare earth elements into the hydrocarbons were also found in oil and gas-bearing deposits during the passage of geochemical processes in the contact zones of mineral movable and organic rock complexes, as well as in the high molecular weight compounds of oils--asphaltenes [3].
Oil shale, also called oil-forming shale, is a kind of combustible organic rock with high ash and low metamorphic grade, which is derived from algae and unicellular lower eukaryote or remains as a result of the processes of putrefaction and coalification.
The blend of organic rock and electronic prog can be breathtaking, as in Preparation For Meltdown, which switches Muse-style from symphonic pop to pulverising metal, and back again.
It goes from the majestic Sit And Wonder - powered by the stadium-filling organic rock voice of Richard Ashcroft (below) - through the galloping Love Is Noise to the paradoxically gentle Judas.
Beth and Ian Sutherland were there with their range of pies produced at their organic Rock Midstead Farm six miles north of Alnwick.
With its breakthrough album, 1999's ``Make Yourself,'' Incubus single- handedly ushered in the return to unplugged, organic rock 'n' roll, rife with flowing melodies and lyrical sincerity.
The unique sound they call rock fusion is actually a creative blend of Native lyrical imagery and spirited organic rock.
Coal is a combustible, sedimentary, organic rock, which is composed mainly of carbon, hydrogen and oxygen.