Talk:Psammite
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Sedimentary v metamorphic
[edit]To what extent is the term used for sedimentary rocks rather than metamorphic rocks? I'm unfamiliar with the former but familiar with the latter. cheers Geopersona (talk) 06:07, 6 September 2019 (UTC)
- It seems to be mostly Russian and Eastern European sources that use psammite and pelite for sedimentary rocks. A quick look at the first 100 results on Google Scholar (after 2015) for "psammite" suggests that this usage represents approximately 10% of published papers. It's clearly not the dominant usage, but it needs to be mentioned in the article. Mikenorton (talk) 13:55, 6 September 2019 (UTC)
- In the "Metamorphic Rocks: A Classification and Glossary of Terms" (a result of IUGS Subcommission on the Systematics of Metamorphic Rocks (SCMR)) "psammite" is one of those terms that its says should have only "restricted use" - that is "are those that are only used locally or rarely and require further definition if used". This flies in the face of what I would call "normal usage", which doesn't look like it's going to change any time soon. That leaves us in a bit of a quandary, as we generally try to stick to IUGS recommended nomenclature. Mikenorton (talk) 14:15, 6 September 2019 (UTC)
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