Talk:Bluestone
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This article should be deleted, as bluestone is just another name for basalt for which there is already an article. (125.209.153.134 13:08, 10 August 2006 (UTC))
Article should be deleted. Bluestone is a quarrymens name, not a geologists, and is used for many petrologically different stones. Thus the 'Bluestones' of Stonehenge include different rock types, not just spotted dolerites or diabases. —Preceding unsigned comment added by 84.92.59.115 (talk • contribs) 12:15, December 12, 2006
[edit] Pennsylvania and New York
"Bluestone from Pennsylvania and New York is commercially known as Pennsylvania bluestone." I know some bluestone sold around here (Chicago area) is sold as 'New York bluestone'. How accurate is the above quoted sentence? --Kalmia 18:59, 25 March 2007 (UTC)
[edit] Major Revision
This wholesale revision is the result of my personal visits to a number of bluestone quarries, talking with an ASTM colleague from Australia and some colleagues from the British Geological Survey. To answer the above questions, bluestone is NOT just another name for basalt, and bluestone is usually sold as bluestone and not Pennsylvania Bluestone (or New York Bluestone). To wrap things up, I have asked ASTM C18.91 to redo the bluestone definition thusly: "Bluestone is (1) a feldspathic sandstone (US), or (2) a dolerite (Brit), or a basalt (Aussie)." Given the extensive bluestone quarrying in the U.S., Stongehenge, and the scads of historic bluestone buildings in Victoria (try Googling on it), this is the best solution. I anticipate ASTM approval after several ballots that may give us additional information. Bmhtayl 22:05, 4 September 2007 (UTC)
[edit] Please keep this article
I found this useful when trying to find out what "bluestone" is when it wasn't listed as such in any of my guides. —Preceding unsigned comment added by 64.24.176.168 (talk) 02:08, 8 September 2007 (UTC)
I agree that the article is useful and should be kept. The requests for deletion presume that geological information is the only useful information about stone, but this is not correct. I would add, however, that even in Australia the term bluestone is not used uniformly - in Adelaide/South Australia it is quite a different material than in Melbourne/Victoria (I don't know what, exactly). 124.180.117.48 (talk) 06:46, 31 May 2008 (UTC)
