A new integrated search interface will become available in the next phase of marineinfo.org. For the time being, please use IMIS to search available data
Description Basalt in contact with phonolite from Greenland Harbour. Group of plagioclase epigenised into opal on the upper part, transformed into chalcedony on the lower. 1/20 crossed nicols. Polarised light.Plaats: Kerguelen IslandAuthor Anoniem in Renard (1888)JPG file - 228.34 kB - 895 x 621 pixelsadded on 2012-07-16453 viewsFrom reference Renard, A. (1888). Report on the rock specimens collected... (page 142) This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License