"solid bedrock" is a correct and commonly used phrase in written English.
You can use it when you want to metaphorically describe a strong foundation or a dependable source of support. For example: "His unwavering faith was a solid bedrock he could rely on during challenging times."
The solid bedrock of Manhattan is also riddled with subterranean canals and springs.
For the builders, the site's solid bedrock foundation presented a problem.
Science rewards rigor and forging solid bedrock to stand on — which means a lot of carefully dotting i's and crossing t's.
Other wall and ceiling pockets are rounded kettle holes or circular cylinders that extend into the solid bedrock of the ceiling with no obvious influence from joints.
It is possible that some of Mr. Romney's previous support had resulted from name recognition, but there should be a solid bedrock of support underneath it.
Far from being prescriptive, this detail allows the artist a solid bedrock from which to operate, confident that he is achieving – or, better yet, sharing – the writer's vision.
The overall effect is of a solid, traditional bedrock enlivened but not overwhelmed by outside influences.
"It means that top-flight football will continue to be broadcast by Sky Sports and now BT, providing a solid financial bedrock and the best possible platform to promote the game in Scotland".
The building rests upon 43 belled concrete and steel piles, of average length 30 m, which go "through 3 layers of swamp" to solid siltstone bedrock.
Because of the unique geology of the Hetch Hetchy watershed, which consists of shallow soils underlain by solid granite bedrock, water that flows into the reservoir is exceptionally clear and of very high quality.
Boasting 125 buildings nationwide, a vast network of contacts and a balance sheet as solid as Manhattan bedrock, his real estate investment trust patiently gathered new tenants, including the Ann Taylor Stores headquarters and the O'Melveny & Myers law firm and at premium prices.
