Geological means relating to geology. a lengthy geological survey. + geologically geo·logi·cal·ly At least 10,000 of these hectares are geologically unsuitable for housing
of or relating to or based on geology; "geological formations"; "geologic forces
A concept that involves the placement of long-lived radioactive waste, often spent nuclear fuel, in rooms excavated deep within stable, low-permeability bedrock
a US government organization, part of the Department of the Interior, which makes detailed maps of the US and lists of minerals found in the US. In the UK there is a similar organization called the Ordnance Survey