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
Kyanite quartzite from Baker Mountain deposit, Prince Edward Co., VA. Photograph: J. Wyman
[Öffentlich] Antw.: 0 Wtrl.: 0 Fav.: 0