fosstodon.org

Zeitpunkt              Nutzer    Delta   Tröts        TNR     Titel                     Version  maxTL
Sa 28.09.2024 00:01:07    62.136      +2    3.745.047    60,3 Fosstodon                 4.2.12     500
Fr 27.09.2024 00:01:07    62.134      +2    3.741.982    60,2 Fosstodon                 4.2.12     500
Do 26.09.2024 00:00:18    62.132      +5    3.738.514    60,2 Fosstodon                 4.2.12     500
Mi 25.09.2024 00:00:21    62.127     +15    3.744.145    60,3 Fosstodon                 4.2.12     500
Di 24.09.2024 00:00:00    62.112      +2    3.741.205    60,2 Fosstodon                 4.2.12     500
Mo 23.09.2024 00:01:00    62.110      +2    3.738.117    60,2 Fosstodon                 4.2.12     500
So 22.09.2024 00:00:08    62.108      -1    3.735.426    60,1 Fosstodon                 4.2.12     500
Sa 21.09.2024 00:00:59    62.109      +4    3.732.963    60,1 Fosstodon                 4.2.12     500
Fr 20.09.2024 00:00:06    62.105      +3    3.729.688    60,1 Fosstodon                 4.2.12     500
Do 19.09.2024 00:00:14    62.102       0    3.726.787    60,0 Fosstodon                 4.2.12     500

Bill Minarik (@silicatefondue) · 12/2022 · Tröts: 4.380 · Folger: 364

Sa 28.09.2024 15:14

Kyanite isn't just a fetching blue mineral that documents the experience of sediments under extreme duress.
It's an ore -Virginia alone mined 83,000 tonnes in 2023. Kyanite in furnace insulation transforms to mullite when heated, expanding to reduce porosity and shrinkage.

VIrginia Kyanite (photo: J. Wyman) from:
https://energy.virginia.gov/geology/Kyanite.shtml

#MinCup24 #Kyanite #Mullite #Virginia #Piedmont #Appalachians