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Talk:Rollstone Boulder

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This is an old revision of this page, as edited by 68.107.134.74 (talk) at 02:46, 4 January 2013 (Porphyritic granite: new section). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Porphyritic granite

If it's a porphyritic granite, that information came from somewhere, and there should be a source that probably also describes the phenocrysts. Can you add the source and a description? --68.107.134.74 (talk) 02:46, 4 January 2013 (UTC)[reply]