| 词条 | Legend pipe |
| 释义 |
The Legend pipe is a diatreme associated with the Birch Mountains kimberlite field in northern Alberta, Canada. It is thought to have formed about 75 million years ago during the Late Cretaceous period.[1][2] See also{{Portal|Volcanism of Canada}}
References1. ^Petrogenetic considerations for the Late Cretaceous northern Alberta kimberlite province {{webarchive|url=https://web.archive.org/web/20110526054242/http://www.ags.gov.ab.ca/minerals/diamonds/8ikc_abstract.pdf |date=2011-05-26 }} {{coord missing|Alberta}}{{Alberta-geo-stub}}{{Canada-geology-stub}}2. ^Alberta Geological Survey: Kimberlites, Indicator Minerals and Diamonds {{webarchive|url=https://web.archive.org/web/20100326152129/http://www.ags.gov.ab.ca/minerals/diamonds/diamonds.html |date=2010-03-26 }} 1 : Birch Mountains kimberlite field |
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