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Justin Filiberto

@planetaryrocks.bsky.social

1.3K followers 656 following 89 posts

Planetary petrologist studying the Earth, Mars, the Moon, Venus, and Mercury

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Justin Filiberto @planetaryrocks.bsky.social · 28/09/2025

Word cloud of titles of papers. 2018 (left) vs. Today (right). So much of my scientific focus has changed and expanded in the last 7 years.

Justin Filiberto @planetaryrocks.bsky.social · 15/09/2025

Our newest paper lead by piero d'incecco was published today about The Avengers Initiative. The paper investigates active volcanoes on Earth to use as analogs for investigating potentially active volcanoes on Venus and exoplanets.

Justin Filiberto @planetaryrocks.bsky.social · 13/09/2025

Lazy weekend for the pups

Justin Filiberto @planetaryrocks.bsky.social · 08/08/2025

Cartoon (not to scale) detailing the progressive alteration (left to right) of a basalt (grey) in contact with a Venus-atmosphere (yellow) based on experimental and geochemical modeling studies (Berger et al., 2019; Esvan et al., 2022; Filiberto and McCanta, 2024; Johnson and Fegley, 2002; McCanta et al., 2014; Radoman-Shaw et al., 2022; Santos et al., 2023; Semprich et al., 2020; Zhong et al., 2023; Zolotov, 2018). Labels (white boxes) shown between unaltered and altered basalt represent the regions, from top down, atmosphere (yellow), surface environment, basalt (grey). The increase in the alteration zone after experimentation (left to right) into the rock's interior is shown by the vertical white to grey gradation transition, which increases with alteration (labeled oxidation and cation mobility). Cation mobility based on diffusion coefficients experiments (e.g., D(Na) > D(Mg)) in basaltic samples reacting with a CO2 and SO2-bearing atmosphere (e.g., Reid et al., 2024) is shown in the left panel (in decreasing order of mobility: Na➔K➔Ca➔Fe➔Mg) by the dashed arrow moving towards the surface. In the right panel, white crystals at the surface environment represent Na-, K-, and/or Ca-sulfates. Black hexagons represent iron oxides – magnetite changing to hematite with progressive alteration (e.g., Knafelc et al., 2019). Iron oxides form on the surface and within the interior of a sample –along cracks and within crystal structures (e.g., Berger et al., 2019; Knafelc et al., 2019; Zhong et al., 2023). Arrows (dotted lines) point out the iron oxides forming within the sample. Specific details, including the exact minerals to form, and the alteration rate, are dependent on numerous factors as described in the text.

Justin Filiberto @planetaryrocks.bsky.social · 26/07/2025

Took the day off work to spend with my daughter and ended up doing science kits all day. Crystal trees, gemstone soaps, and a dinosaur display (plants will grow in soon)

Bright colored trees with different colored crystals growing on them.

Plastic case with 5 soaps shaped as gemstones. Blue, green, red, blue, and purple - clockwise from the far left.

Dinosaur display with a small volcano in the center and a blue pond on the bottom right. The ground is currently dirt with plants expected to grow in.

Justin Filiberto @planetaryrocks.bsky.social · 23/07/2025

This pillow princess turns 9 today. Happy birthday, Roxy 😀

Justin Filiberto @planetaryrocks.bsky.social · 17/04/2025

A proper lady crosses her paws

A small black and tan dog lays on a pile of pillows with her paws crossed.

Justin Filiberto @planetaryrocks.bsky.social · 09/02/2025

Here are my two goofballs. Hugs to you and thoughts with Hudson.

Justin Filiberto @planetaryrocks.bsky.social · 09/02/2025

Lazy Sunday

Justin Filiberto @planetaryrocks.bsky.social · 21/01/2025

We made a texas snow person...the dogs were not amused by the snow

Justin Filiberto @planetaryrocks.bsky.social · 20/01/2025

Poor girl is going to the vet today to get her teeth cleaned.

Justin Filiberto @planetaryrocks.bsky.social · 10/01/2025

Someone was cold on his walk and much happier being carried home

Justin Filiberto @planetaryrocks.bsky.social · 05/01/2025

Gorgeous day before the cold front hits. So out playing pokemon with my kid.

Justin Filiberto @planetaryrocks.bsky.social · 02/01/2025

He is tired and cold....

Justin Filiberto @planetaryrocks.bsky.social · 25/12/2024

'Twas the night before Christmas, when all through the house Not a creature was stirring, not even a mouse; The stockings were hung by the chimney with care, In hopes that St. Nicholas soon would be there;' “Happy Christmas to all, and to all a good night!”

Justin Filiberto @planetaryrocks.bsky.social · 24/12/2024

My daughter got her wish, ❄️ snow on 🎄 christmas eve morning

Justin Filiberto @planetaryrocks.bsky.social · 23/12/2024

My happy place this morning. Complete with snow flurries.

Justin Filiberto @planetaryrocks.bsky.social · 05/12/2024

Love this - wise space wizard with a mineral and a rainbow 🌈 flag Blueskyroast.com

Justin Filiberto @planetaryrocks.bsky.social · 01/12/2024

I think the dogs missed us and are exhausted.

Justin Filiberto @planetaryrocks.bsky.social · 01/12/2024

Last day was spent at the zoo - petting a kangaroo, feeding flamingos, and making smores.

Justin Filiberto @planetaryrocks.bsky.social · 30/11/2024

Day 3 was the historic market and the river boat parade.

Justin Filiberto @planetaryrocks.bsky.social · 29/11/2024

Day two was seaworld including petting a shark and dinner with santa. Happy turkey day everyone.

Justin Filiberto @planetaryrocks.bsky.social · 28/11/2024

Family Thanksgiving vacation to san antonio. I love this city and the Riverwalk

Justin Filiberto @planetaryrocks.bsky.social · 17/11/2024

My kid rocks. Playing the Who's Tommy at school of rock 🥁

Justin Filiberto @planetaryrocks.bsky.social · 21/10/2024

Civic duty is done.

Justin Filiberto @planetaryrocks.bsky.social · 19/10/2024

The pups are ready for Halloween. One is definitely not thrilled of her costume.

Justin Filiberto @planetaryrocks.bsky.social · 10/12/2023

The Christmas dinosaurs are back

Justin Filiberto @planetaryrocks.bsky.social · 12/10/2023

First look at the orex sample from bennu. Such amazing preliminary science of a carbon and water rich rock. Geology ⚒️🧪

Justin Filiberto @planetaryrocks.bsky.social · 09/10/2023

Word cloud of the titles of my papers from Google scholar (removing any word only used once)

Justin Filiberto @planetaryrocks.bsky.social · 24/09/2023

Samples are on the ground. What a beautiful site. #orex #osiris-res #bennu #geology

Justin Filiberto @planetaryrocks.bsky.social · 31/08/2023

Ok no geology or planetary science...but we have an adorable owl living in our banana tree

Justin Filiberto @planetaryrocks.bsky.social · 27/08/2023

Temperature reading on my car. Likely includes some excess heat off the street. But this is f...... ridiculous. And no, it is not a dry heat.

Justin Filiberto @planetaryrocks.bsky.social · 04/08/2023

Nothing beats this view...

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Justin Filiberto @planetaryrocks.bsky.social · 07/07/2023

I still love getting emails like this. Can't wait to see this one published. Off to Venus.

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