Hydrothermal alteration in Lochnagar: Weathering and semi-precious minerals

[@mikelong9638]

Thanks Doctor. Safe travels.

[@GusRojas-s1h]

The profe. With the yellow shirt, nice. Thanks

[@lineinthesand663]

Ta the video. Without water, the soup will not cook. Griesens are some of the most fascinating aspects of granites. All the best from Namibia.

[@OneMinuteGeology]

Cheers. I was just at Cligga Head a couple of weeks back where there are some great Tin-Tungsten greisen veins. You saw my old vid on Cligga?

[@lineinthesand663]

@@OneMinuteGeology Thanks. I'll catch up soon. We've some splendid examples of Sn/W/Ta mineralisation here as well.

[@OneMinuteGeology]

@@lineinthesand663 kzbin.info/www/bejne/e6GXn32endt2rMk

[@lineinthesand663]

@@OneMinuteGeology Remiss of me. So I had seen it and commented.