#Olivine

ThePlanetaryGuy

Let me tell you a little bit about mantle xenoliths*, because they're very cool and pretty.*pronounced "zeeno-lith"A wee thread: In that photo, the green stuff is peridotite—a crystalline rock that's

Tabb °C Prissel, PhD

We focused on reconciling Mg-suite petrogenesis considering KREEP-poor lunar meteorites (Gross et al., 2020), geochronology/mantle overturn (Borg et al., 2020), & the paucity of olivine-mantle in the remote sensing database

Az 🥂 Crowley's snake belt

Alright lets give this a shotGood Omens characters as minerals thread (get ready for some SCIENCE!) Note: these are minerals as they naturally occur. Most mineral pics on the web

Brandon T Bishop

What's the current thinking regarding the importance of metastability for subduction zone processes?I'm pretty convinced blueschist-to-eclogite metastability is rare at large scale, unsure about antigorite metastability, and totally unsure fo

Heinrich Müller

Field Tread: First day back in the field simce lockdown and, as a geo, I was SUPER stoked to be out in the bush again. Mining has been declared to

Et si on profitait du temps magnifique de ce #ConfinementJour31 pour faire le tour des plages les plus colorées du monde ? Echangez votre serviette contre une loupe, on va

You sit on Papakōlea Beach in Hawaiʻi contemplating your life choices, letting handful of sand spill through your fingers.Every green grain, #YouFindARock. Wilson44691 https://twitter.com/mikamckinnon/status/1251436470339923970 You let all but one

Spooky Scary Turtle

Starting a Pokemon Heart Gold nuzlocke-ish challenge Name my character Turtle.My starter is Totodile.Her name is Chomp.And the adventure begins. Okay made it toMr. Pokemon's house no problem, and back

Carbon sequestration tl;dr outline pt 1 #EarthDay 1. CCU (the null case) – must be used properly2. Pumping underground – the OG, seems sketchy, ask a geophysicist3. Mineral carbonation –

It's 2020, the year where anything can happen.The #MinCup2020 bracket is sticking to the rules with all official minerals. Voting starts September 1st.Who will join legends #Olivine (2017), #Garnet (2018),

astrotweeps: Emily (@emsque)

Good morning y'all. Y’day I talked about SiC, the best-studied #PresolarGrains since they can be easily isolated from meteorites, by dissolving everything else away with acids (burn down haystack to

JayCee 🐉🍩

justalittleiphi

My first rock was a very basic sliver of geode. I was about eight. I promptly broke it. So I tapped it back together. I've moved several times, even out

꧁Mafia du fruit🍑꧂

𝐋𝐞 𝐠𝐫𝐢𝐦𝐨𝐢𝐫𝐞 𝐝𝐞 𝐦𝐨𝐫𝐢𝐠𝐚𝐧𝐞, 𝐫𝐞́𝐬𝐮𝐦𝐞́.➳༻❀❀༺➳𝐏𝐚𝐫𝐭𝐢𝐞 𝟏: 𝐋𝐀 𝐓𝐇𝐄́𝐎𝐑𝐈𝐄. Je ne suis pas exactement le sommair

I wanna do monotype runs of the different Pokemon games... I'm trying to think about types that would be both pretty accessible (for the respective Gen) and that would allow