[Tagging] surface=rock

[Matthew Woehlke]

On 21/11/2020 15.07, Joseph Eisenberg wrote:
> My understanding about this is that there is a difference between British
> English usage and American usage - especially in the western USA.
> 
> The English seem to have an idea that "rock" is for mostly solid, 
> immobile "bedrock", while a "stone" is a mobile, separate piece of 
> mineral which you might pick up if you are strong enough, or at least
> move with a piece of heavy machinery. [...] But American English and
> perhaps other dialects do not always maintain this distinction, in my
> experience.
"I picked up one of the rocks from my stone driveway."

"Look at all these stones I pulled out of the river; sure is rocky in 
there!"

-- 
Matthew