DescriptionStromatolites-Estromatolitos - panoramio (1).jpg Stromatolites/Estromatolitos Date Taken on 8 June 2012 Source https://www.panoramio.com/photo/126516791...
Panoramio described at URL: https://web.archive.org/web/20161017233700/http://www.panoramio.com/photo/47107528 determination method or standard: SHA-1...
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