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Image: Thin section microscopy Siilinjärvi R216 10840 carbonate

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Description: Optical mineralogy: Photomicrographs of thin section from Siilinjärvi apatite ore. Carbonate vein in thin section R276 108.40-108.55. The sample is highly deformed (shear grade 1), as can be seen from uniformly oriented elongated phlogopite laths. The carbonates are present in relatively large unoriented grains, which indicates recrystallisation. Granular aggregates are the most common form of carbonates in Siilinjärvi. Photomicrograph from thin section in cross and plane polarised light.
Title: Thin section microscopy Siilinjärvi R216 10840 carbonate
Credit: Own work
Author: kallerna
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
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