The phrase "at a bedrock level" is correct and usable in written English.
It can be used to refer to the fundamental or most basic level of understanding or analysis in a discussion or argument.
Example: "At a bedrock level, we must consider the ethical implications of our actions."
Alternatives: "at a fundamental level" or "at a basic level".
One of the new sites was located at 45 m depth (in a borehole at bedrock level) and developed and implemented data communication and transmission systems in real time.
The dynamic soil response is calculated for each node of the grid by means of a 1D nonlinear analysis (lineal equivalent) based on a set of Fourier spectra generated at bedrock level that uses a source spectrum model for different combinations of moment magnitude and focal distances.
The system has a central accelerograph station, located at bedrock level, in which the ground motion is recorded after the occurrence of any earthquake.
What you do find instead is something more enduring and more thrilling: red, white and blue American egalitarianism at the bedrock level.
As my friend Dov Seidman, whose company, LRN, teaches ethics to global corporations, put it: The cold war ended the way it did because at some bedrock level we and the Soviets "agreed on what is shameful".
Despite what is now a known risk of flooding, the Bloomberg administration and the 9/11 memorial foundation still intend to place the unidentified remains of World Trade Center victims at the bedrock level of the National September 11 Memorial Museum, as they have long planned to do.
T S Eliot had his moments, and it always seems to me that one of the clinching arguments against the great literary critics F R Leavis and his wife, Queenie, is how little interest they took in other people down at the bedrock level of hatches, matches and dispatches, rather than their analysis of Milton.
Opponents predict a disastrous end to the remains if they are placed at bedrock level.
Archives|URNS THROW LIGHT ON PUNIC GODDESS; Thirty-one Fine Examples of Phoenician Workmanship Are Found at Bedrock Level.
