I have held a reasonably substantial holding of ETM shares for...

I have held a reasonably substantial holding of ETM shares for some six years, so I am finding the conversation about eudialyte interesting, although I have no opinion one way or the other about mining it, or not. Am I right in thinking that both NRO and GBB are referencing in their posts, the Johnson Matthey Technology Review, which can be found here?

https://technology.matthey.com/article/63/1/2-13/

I have also come across an article on the mindata website, with a photograph of an adit to a eudialyte mine at Kvanefjeld. For what purpose was eudialyte being mined - it seems unlikely it was for the extraction of RE's. If ETM were to mine eudialyte, wouldn't it be necessary to re-write the whole of the EIA, as different mining techniques and refining chemistry would be employed, especially if the JM Technology Review pilot plant process and chemistry were adopted. This could put the company years down the road, after what has been a very long haul so far.