[Tagging] quarries in engineering
richard at richardmoss.co.uk
Mon Nov 22 13:41:47 GMT 2010
on 05/11/2010 Martin Koppenhoefer wrote
> 2010/11/5 Richard Welty <rwelty at="" averillpark.net="">:
>> On 11/5/10 11:05 AM, Richard Mann wrote:
>>> Gravel/sand/clay come from river beds, generally. Quarries are when
>>> you blast half a hill away.
>>> But I'm not an engineer...
>> gravel around here comes from excavating in the sides of hills
>> that are actually piles of debris left by glaciers in a previous ice
>> in the southeast US, clay comes from pretty much anywhere you
>> use a shovel.
>thanks for all your comments so far.
>could a clay pit that is used only to excavate clay be put under
>quarry, or would that be missleading? I know that these are all
>open-cast mines, but the wikipedia entry for quarry seems somehow not
>precise enough when it comes to delimiting the usage.
I am an engineer :-) (though not in the mining industry)
My Penguin Dictionary of Civil Engineering has
"quarry: An open pit from which building stone, sand, gravel, mineral, or fill is taken"
This looks a wide enough definition to include clay.
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