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(Geological Science) rock forming the boundaries of a sandy or gravelly alluvial deposit
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



rock forming the natural boundary of a plateau or other rise.
[1855–60, Amer.]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Rimrock Energy Partners, LLC (REP) has announced it has secured a USD 200 million credit facility arranged by BOK Financial for REP's natural gas gathering and processing system, the company said.
6 Rimrock Construction, LLC Boise State University student
April 8 in Billings, Montana at the Rimrock Auto Arena (with Asking Alexandria, Underoath and Diamante)
Kososki currently serves on the Firm's valuation committee and credit investment committee as well as on the boards of Ramaco Resources Inc., Cornucopia Oil & Gas LLC, ADA Carbon Solutions, and prior to realization, the boards of Rimrock Midstream LLC, Chieftain Sand and Proppant LLC and Sungevity Inc.
Released after spending five years in prison for a crime he didn't commit, Hank Chesham only wants to return home to his ranch, the Rimrock, and resume his old life.
A faithful believer in the American Dream and national ideals of equality and inclusivity, the Swede lives in an ideal home located in a wealthy, idyllic Newark suburb, Old Rimrock. Yet in 1968 his sixteen-year-old daughter Meredith ("Merry") detonates a bomb at a local post office to protest the Vietnam War, and this immediately "transports him out of the longed-for American pastoral and into everything that is its antithesis and its enemy, into the fury, the violence, and the desperation of the counterpastoral--into the indigenous American berserk" (AP 86).
It has been cryogenic treated by Below Zero and has a Rimrock stock with nylon pillars and Talley Manufacturing bases.
* PROJECT TEAM: Partner and project manager: EdR (Memphis); architect: Ayers Saint Gross (Baltimore); contractor: Rimrock Construction (Draper, UT)
5 September 2017 - Oklahoma, US-based exploration startup RimRock Oil and Gas has completed the acquisition of upstream assets located in the Williston Basin from US-based Whiting Petroleum Corp.
RimRock Oil & Gas, a start-up oil and gas exploration and production company, has completed the acquisition of upstream assets located in the Williston Basin from Whiting Petroleum Corporation.
Seymour and Dawn raise a stuttering daughter called Merry (Dakota Fanning) on their farm in Old Rimrock, where they are largely cocooned from a rapidly changing world.